User:Squidonius/userpage/microbes3

Magnetospirillum
Magnetospirillum is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Magnetospirillum derives from: Latin noun magnes -etis, a magnet; New Latin pref. magneto-, pertaining to a magnet; Latin noun spira, a spiral; New Latin dim. neuter gender noun spirillum, a small spiral; New Latin neuter gender noun Magnetospirillum, a small magnetic spiral.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. gryphiswaldense ( Schleifer et al. 1992, (Type species of the genus).; New Latin neuter gender adjective gryphiswaldense, pertaining to Greifswald, a town in Germany where the organism was isolated.)
 * M. magnetotacticum ( (Maratea and Blakemore 1981) Schleifer et al. 1992, ; Latin noun magnes -etis, a magnet; New Latin pref. magneto-, pertaining to a magnet; New Latin adjective tacticus -a -um (from Latin v. tango, to move), showing orientation or movement directed by a force or agent; New Latin neuter gender adjective magnetotacticum, capable of orientation with respect to a magnet.)

Mahella
Mahella is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Mahella derives from: New Latin feminine gender dim. noun Mahella, named in honour of the American microbiologist Professor R.A. Mah, for his important contribution to the taxonomy of anaerobes.

Species
The genus contains a single species, namely M. australiensis ( Bonilla Salinas et al. 2004, (Type species of the genus).; New Latin feminine gender adjective australiensis, related to Australia.)

Malikia
Malikia is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Malikia derives from: New Latin feminine gender noun Malikia, named after Kuhrsheed A. Malik, for his contributions to our knowledge of the cultivation and taxonomy of hydrogen-oxidizing and polyhydroxyalkanoate-accumulating proteobacteria.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. granosa ( Spring et al. 2005, (Type species of the genus).; Latin feminine gender adjective granosa, granular.)
 * M. spinosa ( (Leifson 1962) Spring et al. 2005, ; Latin feminine gender adjective spinosa, thorny, spiny.)

Malonomonas
Malonomonas is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Malonomonas derives from: New Latin noun acidum malonicum, malonic acid; Latin feminine gender noun monas (μονάς / μονάδα), nominally meaning "a unit", but in effect meaning a bacterium; New Latin feminine gender noun Malonomonas, malonic-acid-utilizing monad.

Members of the genus Malonomonas can be referred to as malonomonad (viz. Trivialisation of names).

Species
The genus contains a single species, namely M. rubra ( Dehning and Schink 1990, (Type species of the genus).; Latin adjective ruber -bra -brum, red; Latin feminine gender adjective rubra, red, referring to the red color of the cells.)

Mangrovibacter
Mangrovibacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Mangrovibacter derives from: New Latin noun mangrovum, mangrove; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Mangrovibacter, mangrove rod.

Species
The genus contains a single species, namely M. plantisponsor ( Rameshkumar et al. 2010, (Type species of the genus).; Latin feminine gender noun planta, plant; Latin masculine gender noun sponsor, sponsor, guarantor; New Latin masculine gender noun plantisponsor, sponsor of plants, referring to the potentially plant-beneficial properties of the type strain.)

Mannheimia
Mannheimia is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Mannheimia derives from: New Latin feminine gender noun Mannheimia, named in tribute to the German microbiologist Walter Mannheim.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * M. glucosida ( Angen et al. 1999, ; New Latin noun glucosum (from. Greek adjective glukus, sweet), glucose; Latin suff. -idus -a -um, denominative suffix; New Latin feminine gender adjective glucosida, pertaining to gluose; intended to mean pertaining to glucosides, which are fermented by almost all biovars.)
 * M. granulomatis ( (Ribeiro et al. 1990) Angen et al. 1999, ; New Latin noun granuloma, a granuloma; New Latin genitive case noun granulomatis, of a granuloma.)
 * M. haemolytica ( (Newsom and Cross 1932) Angen et al. 1999, (Type species of the genus).; Greek noun haima (Latin transliteration haema), blood; New Latin feminine gender adjective lytica (from Greek feminine gender adjective lutikē), able to loose, able to dissolve; New Latin feminine gender adjective haemolytica, blood dissolving, referring to the hemolysis seen on blood agar.)
 * M. ruminalis ( Angen et al. 1999, ; Latin noun rumen -inis, stomach, especially first stomach of ruminants; Latin feminine gender suff. -alis, suffix denoting pertaining to; New Latin feminine gender adjective ruminalis, pertaining to rumen; intended to mean referring to ruminants, from which the bacteria have been isolated.)
 * M. varigena ( Angen et al. 1999, ; Latin adjective varius, diverse, different, various; Latin suff. genus -a -um (from Latin v. gigno, to produce, give birth to, beget), born from; New Latin feminine gender adjective varigena, intended to mean &quot;of different origin&quot;, referring to the fact that strains of this species have been isolated both from ruminants and pigs.)

Mameliella
Mameliella is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Mameliella derives from: New Latin feminine gender dim. noun Mameliella, arbitrary name derived from the acronym MMEL, marine microbial ecology laboratory.

Species
The genus contains a single species, namely M. alba ( Zheng et al. 2010, (Type species of the genus).; Latin feminine gender adjective alba, white.)

Maribacter
Maribacter is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Maribacter derives from: Latin neuter gender noun mare, the sea; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Maribacter, rod inhabiting marine environments.

Species
The genus contains 10 species (including basonyms and synonyms), namely
 * M. antarcticus ( Zhang et al. 2009, ; Latin masculine gender adjective antarcticus, southern, by extension pertaining to the Antarctic, the environment from where the type strain was isolated.)
 * M. aquivivus ( Nedashkovskaya et al. 2004, ; Latin feminine gender noun aqua, water; Latin adjective vivus, alive; New Latin masculine gender adjective aquivivus, living in water.)
 * M. arcticus ( Cho et al. 2008, ; Latin masculine gender adjective arcticus, northern, pertaining to the Arctic, the geographical origin of the type strain.)
 * M. dokdonensis ( Yoon et al. 2005, ; New Latin masculine gender adjective dokdonensis, pertaining to Dokdo, the Korean island from wrere the strains were isolated.)
 * M. forsetii ( Barbeyron et al. 2008, ; New Latin genitive case masculine gender noun forsetii, of Forseti, a god in Scandinavian mythology that lived on Helgoland, the German island from where the bacterium was isolated.)
 * M. orientalis ( Nedashkovskaya et al. 2004, ; Latin masculine gender adjective orientalis, of or belonging to the East, Eastern (bacterium inhabiting the East).)
 * M. polysiphoniae ( Nedashkovskaya et al. 2007, ;: New Latin genitive case noun polysiphoniae, of Polysiphonia, the generic name of the red alga Polysiphonia japonica, from which the type strain was isolated.)
 * M. sedimenticola ( Nedashkovskaya et al. 2004, (Type species of the genus).; Latin neuter gender noun sedimentum, a settling, sediment; Latin suffix -cola (from Latin noun incola), dweller; New Latin masculine gender noun sedimenticola, sediment dweller.)
 * M. stanieri ( Nedashkovskaya et al. 2010, ; New Latin genitive case masculine gender noun stanieri, of Stanier, named in honour of the famous Canadian microbiologist Roger Y. Stanier for his great contribution to development of marine microbiology and, especially, to the investigation of the taxonomy and ecology of Cytophaga-like bacteria, currently the phylum Bacteroidetes.)
 * M. ulvicola ( Nedashkovskaya et al. 2004, ; New Latin feminine gender noun Ulva, generic name of green alga Ulva fenestrata; Latin suffix -cola (from Latin noun incola), dweller; New Latin noun ulvicola, a green alga (Ulva fenestrata) dweller.)

Maribaculum
Maribaculum is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Maribaculum derives from: Latin noun mare, the sea; Latin neuter gender noun baculum, a stick or rod; New Latin neuter gender noun Maribaculum, rod from the sea.

Species
The genus contains a single species, namely M. marinum ( Lai et al. 2009, (Type species of the genus).; Latin neuter gender adjective marinum, of or belonging to the sea, marine.)

Maribius
Maribius is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Maribius derives from:
 * Latin neuter gender noun mare, the sea; New Latin masculine gender noun bius from Greek noun bios (βίος), life; New Latin masculine gender noun Maribius, sea life.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. pelagius ( Choi et al. 2007, ;: Latin masculine gender adjective pelagius, of or belonging to the sea.)
 * M. salinus ( Choi et al. 2007, (Type species of the genus).;: Latin masculine gender adjective salinus, salted, salty.)

Maricaulis
Maricaulis is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Maricaulis derives from: Latin noun mare -is, the sea; Latin masculine gender noun caulis, stalk; New Latin masculine gender noun Maricaulis, stalk from the sea.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * M. maris ( (Poindexter 1964) Abraham et al. 1999, (Type species of the genus).; Latin noun mare -is, the sea; Latin genitive case noun maris, of the sea.)
 * M. parjimensis ( Abraham et al. 2002, ; New Latin masculine gender adjective parjimensis, pertaining to Parjim, the capital of the Indian state of Goa, referring to the isolation of the type strain from the nearby coast.)
 * M. salignorans ( Abraham et al. 2002, ; Latin noun sal salis, salt; Latin participle adjective ignorans, ignoring; New Latin participle adjective salignorans, salt-ignoring, referring to the ability to grow without added salt.)
 * M. virginensis ( Abraham et al. 2002, ; New Latin masculine gender adjective virginensis, pertaining to the Virgin Islands.)
 * M. washingtonensis ( Abraham et al. 2002, ; New Latin masculine gender adjective washingtonensis, pertaining to the US state of Washington, referring to the location of isolation of the type strain.)

Marichromatium
Marichromatium is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Marichromatium derives from:
 * Latin noun mare -is, the sea; New Latin neuter gender noun Chromatium, a genus name; New Latin neuter gender noun Marichromatium, the Chromatium of the sea, the truly marine Chromatium.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * M. bheemlicum ( Anil Kumar et al. 2007, ; New Latin neuter gender adjective bheemlicum, pertaining to Bheemli, the place from which the type strain was isolated.)
 * M. fluminis ( Sucharita et al. 2010, ; Latin noun flumen -inis, a river; Latin genitive case noun fluminis, of a river, referring to the isolation of the type strain from sediment of the Baitarani River, located in Kalibanj forest, Orissa, India.)
 * M. gracile ( (Strzeszewski 1913) Imhoff et al. 1998, (Type species of the genus).;: Latin neuter gender adjective gracile, thin, slender.)
 * M. indicum ( Arunasri et al. 2005, ; Latin neuter gender adjective indicum, Indian, pertaining to India, the country in which the type strain was isolated.)
 * M. purpuratum ( (Imhoff and Tr&uuml;per 1980) Imhoff et al. 1998, ;: Latin neuter gender adjective purpuratum, clad in purple, dressed in purple.)

Marinactinospora
Marinactinospora is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Marinactinospora derives from: Latin adjective marinus, of or belonging to the sea; Greek noun aktis, aktinos (ἀκτίς, ἀκτῖνος), a beam; Greek noun spora (σπορά), a seed, and in biology a spore; New Latin feminine gender noun Marinactinospora, marine and spored ray, referring to marine spore-forming actinomycete.

Species
The genus contains a single species, namely M. thermotolerans ( Tian et al. 2009, (Type species of the genus).; Greek noun thermē (θέρμη), heat; Latin participle adjective tolerans, tolerating; New Latin participle adjective thermotolerans, able to tolerate a high temperature.)

Marinibacillus
Marinibacillus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Marinibacillus derives from: Latin adjective marinus, of the sea, marine; Latin masculine gender noun bacillus, a little staff, rod; New Latin masculine gender noun Marinibacillus, rod of the sea.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. campisalis ( Yoon et al. 2004, ; Latin masculine gender noun campus, a level space, a plain, field; Latin genitive case noun salis, of salt; New Latin genitive case noun campisalis, of the field of salt.)
 * M. marinus ( (R&uuml;ger and Richter 1979) Yoon et al. 2001, (Type species of the genus).; Latin masculine gender adjective marinus, of the sea, marine.)

Marinicella
Marinicella is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Marinicella derives from: Latin adjective marinus, of the sea; Latin feminine gender noun cella, a chamber, and in biology a cell; New Latin feminine gender noun Marinicella, a cell from the sea.

Species
The genus contains a single species, namely M. litoralis ( Romanenko et al. 2010, (Type species of the genus).; Latin feminine gender adjective litoralis, of or belonging to the sea-shore.)

Marinicola
Marinicola is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Marinicola derives from: Latin adjective marinus, of or belonging to the sea, marine; Latin masculine gender suff. -cola, inhabitant; New Latin masculine gender noun Marinicola, inhabitant of the sea.

Species
The genus contains a single species, namely M. seohaensis ( Yoon et al. 2005, (Type species of the genus).; New Latin masculine gender adjective seohaensis, of or pertaining to Seohae, the Korean name for the Yellow Sea in Korea, from where the organism was isolated.)

Marinifilum
Marinifilum is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Marinifilum derives from: Latin adjective marinus, belonging to the sea; Latin neuter gender noun filum, a thread; New Latin neuter gender noun Marinifilum, a thread belonging to or living in the sea.

Species
The genus contains a single species, namely M. fragile ( Na et al. 2009, (Type species of the genus).; Latin neuter gender adjective fragile, fragile.)

Mariniflexile
Mariniflexile is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Mariniflexile derives from: Latin adjective marinus, marine; Latin participle adjective flexilis -e, pliant, pliable, flexible; New Latin neuter gender noun Mariniflexile, a flexible marine bacterium.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. fucanivorans ( Barbeyron et al. 2008, ; New Latin noun fucanum, fucan (polyfucose); Latin participle adjective vorans, devouring; New Latin participle adjective fucanivorans, fucan-devouring.)
 * M. gromovii ( Nedashkovskaya et al. 2006, (Type species of the genus).; New Latin genitive case masculine gender noun gromovii, of Gromov, in honour of B. V. Gromov, the Russian aquatic and marine microbiologist.)

Marihabitans
Marihabitans is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Marihabitans derives from: Latin neuter gender noun mare, sea; Latin participle adjective habitans, inhabiting; New Latin adjective used as a neuter gender subst. Marihabitans, inhabitant of the sea.

Species
The genus contains a single species, namely M. asiaticum ( Kageyama et al. 2008, (Type species of the genus).; Latin neuter gender adjective asiaticum, of Asia, the source of the type strain.)

Marinilabilia
Marinilabilia is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Marinilabilia derives from: Latin adjective marinus, of or belonging to the sea, marine; Latin adjective labilis, gliding; New Latin feminine gender noun Marinilabilia, marine gliding organisms.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. agarovorans ( (Reichenbach 1989) Nakagawa and Yamasato 1996, ; New Latin noun agarum, agar, algal polysaccharide; Latin v. vorare, to devour, to digest; New Latin participle adjective agarovorans, agar-digesting.)
 * M. salmonicolor ( (Veldkamp 1961) Nakagawa and Yamasato 1996, (Type species of the genus).; Latin masculine gender noun salmo -onis, salmon; Latin noun color, color; New Latin adjective salmonicolor, intended to mean salmon-colored.)

Marinilactibacillus
Marinilactibacillus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Marinilactibacillus derives from: Latin adjective marinus, marine; Latin noun lac lactis, milk; Latin masculine gender noun bacillus, a small rod; New Latin masculine gender noun Marinilactibacillus, marine lactic acid rodlet.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. piezotolerans ( Toffin et al. 2005, ; Greek v. piezo, to press; Latin participle adjective tolerans, tolerating; New Latin participle adjective piezotolerans, tolerating high hydrostatic pressure.)
 * M. psychrotolerans ( Ishikawa et al. 2003, (Type species of the genus).; Greek adjective psychros (ψυχρός), cold; Latin participle adjective tolerans, tolerating; New Latin participle adjective psychrotolerans, tolerating cold temperature.)

Marinimicrobium
Marinimicrobium is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Marinimicrobium derives from: Latin adjective marinus, of the sea; New Latin neuter gender noun microbium, microbe; New Latin neuter gender noun Marinimicrobium, microbe living in the sea.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * M. agarilyticum ( Lim et al. 2006, ; New Latin noun agarum, agar; New Latin adjective lyticus -a -um (from Greek adjective lutikos (λυτικός) -ē -on), able to loose, able to dissolve; New Latin neuter gender adjective agarilyticum, agar-dissolving.)
 * M. koreense ( Lim et al. 2006, (Type species of the genus).; New Latin neuter gender adjective koreense, pertaining to Korea.)
 * M. locisalis ( Yoon et al. 2009, ; Latin noun locus, place, locality; Latin genitive case noun salis, of salt; New Latin genitive case noun locisalis, from a place of salt.)

Marinithermus
Marinithermus is a genus in the phylum (Bacteria).

Etymology
The name Marinithermus derives from: Latin adjective marinus, of the sea; Greek adjective thermos (θερμός), hot; New Latin masculine gender noun Marinithermus, an organism living in marine hot places.

Species
The genus contains a single species, namely M. hydrothermalis ( Sako et al. 2003, (Type species of the genus).; New Latin masculine gender adjective hydrothermalis, pertaining to a hydrothermal vent.)

Marinitoga
Marinitoga is a genus in the phylum Thermotogae (Bacteria).

Etymology
The name Marinitoga derives from:
 * Latin adjective marinus, of or belonging to the sea, marine; Latin feminine gender noun toga, Roman outer garment; New Latin feminine gender noun Marinitoga, a marine toga, referring to the marine isolation of the organism and the presence of a &#39;toga&#39;- like sheath.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * M. camini ( Wery et al. 2001, (Type species of the genus).;: Latin genitive case noun camini, of a chimney, relating to its isolation from a hydrothermal chimney.)
 * M. hydrogenitolerans ( Postec et al. 2005, ; New Latin hydrogenum (from Greek noun húdōr (ὕδωρ), water; and Greek v. gennaō (γεννάω), to produce), hydrogen, an element; Latin participle adjective tolerans, tolerating; New Latin participle adjective hydrogenitolerans, hydrogen-tolerating, referring to its ability to tolerate a high level of hydrogen in the headspace.)
 * M. litoralis ( Postec et al. 2010, ; Latin feminine gender adjective litoralis, of or belonging to the seashore.)
 * M. okinawensis ( Nunoura et al. 2007, ;: New Latin feminine gender adjective okinawensis, of Okinawa, a region of Japan.)
 * M. piezophila ( Alain et al. 2002, ;: Greek v. piezo: to press; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin feminine gender adjective piezophila, loving pressure (referring to its best growth under pressure).)

Marinobacter
Marinobacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Marinobacter derives from: Latin adjective marinus, of the sea, marine; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod or staff; New Latin masculine gender noun Marinobacter, rod of the sea.

Species
The genus contains 27 species (including basonyms and synonyms), namely
 * M. algicola ( Green et al. 2006, ; Latin noun alga -ae an alga, sea-weed; Latin suff. -cola from Latin noun incola, an inhabitant; New Latin feminine gender noun algicola, an inhabitant of algae.)
 * M. aquaeolei ( Nguyen et al. 1999, ; Latin noun aqua, water; Latin noun oleum, oil; New Latin genitive case noun aquaeolei, of/from water of oil, isolated from an oil-field brine.)
 * M. bryozoorum ( Romanenko et al. 2005, ; New Latin genitive case pl. noun bryozoorum, of the phylum Bryozoa (bryozoans), marine invertebrate specimen, source of isolation.)
 * M. daepoensis ( Yoon et al. 2004, ; New Latin masculine gender adjective daepoensis, of Daepo, the beach where the type strain was isolated.)
 * M. excellens ( Gorshkova et al. 2003, ; Latin masculine gender adjective excellens, remarkable, exceptional.)
 * M. flavimaris ( Yoon et al. 2004, ; Latin adjective flavus, yellow; Latin genitive case neuter gender noun maris, of the sea; New Latin genitive case neuter gender noun mariflavis, of the Yellow sea.)
 * M. goseongensis ( Roh et al. 2008, ; New Latin masculine gender adjective goseongensis, pertaining to the province Goseong, near the sampling site from which the bacterium was isolated.)
 * M. gudaonensis ( Gu et al. 2007, ;: New Latin masculine gender adjective gudaonensis, pertaining to Gudao of the Shengli Oilfield, P. R. China, from where the type strain was first isolated.)
 * M. guineae ( Montes et al. 2008, ; New Latin genitive case masculine gender noun guineae, in honour of the Professor Jes&uacute;s Guinea, a prominent Spanish microbiologist, who isolated this strain.)
 * M. hydrocarbonoclasticus ( Gauthier et al. 1992, (Type species of the genus).; New Latin noun hydrocabonum, hydrocarbon; New Latin adjective clasticus -a -um (from Greek adjective klastos -ē -on, broken in pieces), breaking; New Latin masculine gender adjective hydrocarbonoclasticus, hydrocarbonoclastic, breaking hydrocarbon.)
 * M. koreensis ( Kim et al. 2006, ;: New Latin masculine gender adjective koreensis, pertaining to Korea, where the type strain was isolated.)
 * M. lacisalsi ( Aguilera et al. 2009, ; Latin noun lacus -us, lake; Latin adjective salsus, salted, salt; New Latin genitive case noun lacisalsi, of a salt lake, the habitat from which the type strain was isolated.)
 * M. lipolyticus ( Mart&iacute;n et al. 2003, ; Greek noun lipos, animal fat, lard, tallow; New Latin adjective lyticus -a -um (from Greek adjective lutikos (λυτικός) -ē -on), able to loose, able to dissolve; New Latin adjective lipolyticus, fat-dissolving.)
 * M. litoralis ( Yoon et al. 2003, ; Latin masculine gender adjective litoralis, of the shore.)
 * M. lutaoensis ( Shieh et al. 2003, ; New Latin masculine gender adjective lutaoensis, pertaining to Lutao (Taiwan), where the species was isolated.)
 * M. maritimus ( Shivaji et al. 2005, ; Latin masculine gender adjective maritimus, of the sea, marine, maritime.)
 * M. mobilis ( Huo et al. 2008, ; Latin masculine gender adjective mobilis, movable, motile.)
 * M. pelagius ( Xu et al. 2008, ; Latin masculine gender adjective pelagius, of the sea, marine.)
 * M. psychrophilus ( Zhang et al. 2008, ; Greek adjective psychros (ψυχρός), cold; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective psychrophilus, cold loving.)
 * M. salicampi ( Yoon et al. 2007, ; Latin noun sal salis, salt; Latin noun campus, field; New Latin genitive case noun salicampi, of a salt field.)
 * M. salsuginis ( Antunes et al. 2007, ; Latin genitive case noun salsuginis, from salt water, brine, pertaining to the environment from which the strain was isolated.)
 * M. santoriniensis ( Handley et al. 2009, ; New Latin masculine gender adjective santoriniensis, from the island of Santorini, where the type strain was isolated.)
 * M. sediminum ( Romanenko et al. 2005, ; Latin genitive case pl. noun sediminum, of sediments, the source of isolation.)
 * M. segnicrescens ( Guo et al. 2007, ; Latin adjective segnis, slow; Latin participle adjective crescens, growing; New Latin participle adjective segnicrescens, slowly growing, referring to the slow growth of the type strain.)
 * M. szutsaonensis ( Wang et al. 2009, ; New Latin masculine gender adjective szutsaonensis, of or belonging to Szutsao, a former salt field located in southern Taiwan.)
 * M. vinifirmus ( Liebgott et al. 2006, ;: Latin noun vinum, wine; Latin adjective firmus, firm (as opposed to frail), stable, strong; New Latin masculine gender adjective vinifirmus, wine-resistant, pertaining to the resistance to wine-barrel-decalcification wastewater, from which the type strain was isolated.)
 * M. zhejiangensis ( Huo et al. 2008, ; New Latin masculine gender adjective zhejiangensis, pertaining to Zhejiang province in China, where the type strain was isolated.)

Marinobacterium
Marinobacterium is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Marinobacterium derives from: Latin adjective marinus, of the sea, marine; Latin neuter gender noun bacterium, a small rod; New Latin neuter gender noun Marinobacterium, small marine rod.

Species
The genus contains 11 species (including basonyms and synonyms), namely
 * M. coralli ( Chimetto et al. 2011, ; Latin genitive case noun coralli, of coral, from which the organism was isolated.)
 * M. georgiense ( Gonz&aacute;lez et al. 1997, (Type species of the genus).; New Latin neuter gender adjective georgiense, pertaining to Georgia, U.S.A.,  the place where the bacterium was first isolated.)
 * M. halophilum ( Chang et al. 2007, ;: Greek noun hals, halos (ἅλς, ἁλός), salt; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin neuter gender adjective halophilum, salt-loving.)
 * M. jannaschii ( (Bowditch et al. 1984) Satomi et al. 2002, ; New Latin genitive case masculine gender noun jannaschii, of Jannasch; named after H.W. Jannasch.)
 * M. litorale ( Kim et al. 2007, ; Latin neuter gender adjective litorale, of the seashore, a shallow-seawater dweller.)
 * M. lutimaris ( Kim et al. 2010, ; Latin noun lutum, mud; Latin genitive case noun maris, of the sea; New Latin genitive case noun lutimaris, of sea mud.)
 * M. maritimum ( Kim et al. 2009, ; Latin neuter gender adjective maritimum, of or belonging to the sea, maritime.)
 * M. nitratireducens ( Huo et al. 2009, ; New Latin noun nitras -atis, nitrate; Latin participle adjective reducens, leading back, bringing back and in chemistry converting to a different oxidation state; New Latin participle adjective nitratireducens, reducing nitrate.)
 * M. rhizophilum ( Kim et al. 2008, ; Greek noun rhiza, root; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin neuter gender adjective rhizophilum, root-loving.)
 * M. sediminicola ( Huo et al. 2009, ; Latin noun sedimen -inis, sediment; Latin suff. -cola (from Latin noun incola), inhabitant, dweller; New Latin noun sediminicola, sediment dweller.)
 * M. stanieri ( (Baumann et al. 1983) Satomi et al. 2002, ;: New Latin genitive case masculine gender noun stanieri, of Stanier, named after R. Y. Stanier, a Canadian microbiologist who made extensive contributions to general microbiology and, in particular, to Pseudomonas.)

Marinococcus
Marinococcus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Marinococcus derives from:
 * Latin adjective marinus, marine; New Latin masculine gender noun coccus (from Greek noun kokkos (κόκκος)), berry; New Latin masculine gender noun Marinococcus, marine coccus.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * M. albus ( Hao et al. 1985, ;: Latin masculine gender adjective albus, white.)
 * M. halophilus ( (Novitsky and Kushner 1976) Hao et al. 1985, (Type species of the genus).;: Greek noun hals, halos (ἅλς, ἁλός), salt; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective halophilus, salt-loving.)
 * M. halotolerans ( Li et al. 2005, ; Greek noun hals, halos (ἅλς, ἁλός), salt; Latin participle adjective tolerans, tolerating; New Latin participle adjective halotolerans, salt-tolerating, referring to the ability of the organism to tolerate high salt concentrations.)
 * M. hispanicus ( Marquez et al. 1990, ; Latin masculine gender adjective hispanicus, Spanish.)
 * M. luteus ( Wang et al. 2009, ; Latin masculine gender adjective luteus, orange, referring to the colour of the colonies of the type strain.)

Marinomonas
Marinomonas is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Marinomonas derives from: Latin adjective marinus, of or belonging to the sea, marine; Greek feminine gender noun monas (μονάς / μονάδα), nominally meaning "a unit", but in effect meaning a bacterium; New Latin feminine gender noun Marinomonas, sea monad.

Members of the genus Marinomonas can be referred to as marinomonad (viz. Trivialisation of names).

Species
The genus contains 16 species (including basonyms and synonyms), namely
 * M. aquimarina ( corrig. Maci&aacute;n et al. 2005, ; Latin noun aqua, water; Latin adjective marinus, of or belonging to the sea, marine; New Latin feminine gender adjective aquimarina, pertaining to sea water.)
 * M. arctica ( Zhang et al. 2008, ; Latin feminine gender adjective arctica, from the Arctic, referring to the site where the type strain was isolated.)
 * M. arenicola ( Romanenko et al. 2009, ; Latin noun arena, sand; Latin suff. -cola (from Latin noun incola), inhabitant, dweller; New Latin noun arenicola, a sand-dweller.)
 * M. balearica ( Espinosa et al. 2010, ; Latin feminine gender adjective balearica, of or belonging to the Balearic Islands, from where the type strain was isolated.)
 * M. basaltis ( Chang et al. 2008, ; Latin masculine gender genitive case noun basaltis, of basalt, pertaining to the source of isolation.)
 * M. brasilensis ( Chimetto et al. 2011, ; New Latin feminine gender adjective brasilensis, of or belonging to Brazil.)
 * M. communis ( (Baumann et al. 1972) van Landschoot and De Ley 1984, (Type species of the genus).; Latin feminine gender adjective communis, common.)
 * M. dokdonensis ( Yoon et al. 2005, ; New Latin feminine gender adjective dokdonensis, of Dokdo, an island from where the organisms were isolated.)
 * M. mediterranea ( Solano and Sanchez-Amat 1999, ; Latin feminine gender adjective mediterranea, mediterranean, of the Mediterranean, referring to the isolation of the type strain from the Mediterranean Sea in the region of Murcia, on the southeastern Spanish coast.)
 * M. ostreistagni ( Lau et al. 2006, ; Latin feminine gender noun ostrea, oyster; Latin genitive case noun stagni, of/from a pond; New Latin genitive case noun ostreistagni, from/of oyster pond.)
 * M. polaris ( Gupta et al. 2006, ; New Latin feminine gender adjective polaris, polar, referring to the origin of the type strain.)
 * M. pollencensis ( Espinosa et al. 2010, ; New Latin feminine gender adjective pollencensis, of or belonging to Pollen&ccedil;a, the beach in the Balearic Islands from where the type strain was isolated.)
 * M. pontica ( Ivanova et al. 2005, ; Latin feminine gender adjective pontica, pertaining to the Black Sea.)
 * M. primoryensis ( Romanenko et al. 2003, ; New Latin feminine gender adjective primoryensis, pertaining to Primorye, Far-Eastern region of Russia.)
 * M. ushuaiensis ( Prabagaran et al. 2005, ; New Latin feminine gender adjective ushuaiensis, pertaining to the place Ushuaia, sub-Antarctica.)
 * M. vaga ( (Baumann et al. 1972) van Landschoot and De Ley 1984, ; Latin feminine gender adjective vaga, wandering.)

Marinoscillum
Marinoscillum is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Marinoscillum derives from: Latin adjective marinus, of or belonging to the sea, marine; Latin neuter gender noun oscillum, a swing; New Latin neuter gender noun Marinoscillum, a marine swing(-like organism).

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. furvescens ( (ex Lewin 1969) Seo et al. 2009, nom. rev., ; Latin adjective furvus, pitch black, dark; Latin participle adjective furvescens, growing dark, dusky.)
 * M. pacificum ( Seo et al. 2009, (Type species of the genus).; Latin neuter gender adjective pacificum, pacific, used to refer to the Pacific Ocean.)

Marinospirillum
Marinospirillum is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Marinospirillum derives from: Latin adjective marinus, of the sea, marine; Latin noun spira, a spiral; New Latin dim. neuter gender noun spirillum, a small spiral; New Latin neuter gender noun Marinospirillum, a small spiral from the sea.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * M. alkaliphilum ( Zhang et al. 2002, ; New Latin noun alkali (from Arabic al-qalyi, the ashes of saltwort), soda ash; Greek adjective φίλος -ē -on, loving; New Latin neuter gender adjective alkaliphilum, loving alkaline conditions.)
 * M. celere ( Namsaraev et al. 2009, ; Latin neuter gender adjective celere, rapid, indicating the rapid growth on nutrient media and high motility.)
 * M. insulare ( Satomi et al. 2004, ; Latin neuter gender adjective insulare, of or belonging to an island, insular.)
 * M. megaterium ( Satomi et al. 1998, ; Greek adjective megas, large; Greek noun teras -atos, monster, beast; New Latin noun megaterium, big beast.)
 * M. minutulum ( (Watanabe 1959) Satomi et al. 1998, (Type species of the genus).; Latin dim. neuter gender adjective minutulum, very little.)

Marinovum
Marinovum is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Marinovum derives from: Latin adjective marinus, of or belonging to the sea, marine; Latin neuter gender noun ovum, an egg, an egg-shape, oval; New Latin neuter gender noun Marinovum, a marine egg-shaped bacterium.

Species
The genus contains a single species, namely M. algicola ( (Lafay et al. 1995) Martens et al. 2006, (Type species of the genus).; Latin noun alga, alga; Latin masculine gender suff. -cola (from Latin masculine gender noun incola), an inhabitant; New Latin noun algicola, alga dweller.)

Mariprofundus
Mariprofundus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Mariprofundus derives from: Latin noun mare -is, the sea; Latin masculine gender adjective profundus, deep; New Latin masculine gender noun Mariprofundus (sic), intended to mean a deep-sea organism.

Species
The genus contains a single species, namely M. ferrooxydans ( Emerson et al. 2010, (Type species of the genus).; Latin noun ferrum, iron; Greek adjective oxus, acid or sour and in combined words indicating oxygen; New Latin v. oxydare, to make acid, to oxidize; New Latin participle adjective ferrooxydans, iron-oxidizing.)

Marisediminicola
Marisediminicola is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Marisediminicola derives from: Latin noun mare is, the sea; Latin noun sedimen -inis, sediment; Latin suff. -cola (from Latin masculine gender or feminine gender noun incola) inhabitant, dweller; New Latin feminine gender noun Marisediminicola, marine sediment dweller.

Species
The genus contains a single species, namely M. antarctica ( Li et al. 2010, (Type species of the genus).; Latin feminine gender adjective antarctica, southern, of the Antarctic, the geographical origin of the type strain.)

Marispirillum
Marispirillum is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Marispirillum derives from: Latin noun mare, the sea; New Latin dim. neuter gender noun spirillum (from Latin feminine gender noun spira, spiral), a small spiral; New Latin neuter gender noun Marispirillum, a small spiral of the sea.

Species
The genus contains a single species, namely M. indicum ( Lai et al. 2009, (Type species of the genus).; Latin neuter gender adjective indicum, Indian, referring to the Indian Ocean, where the strain was isolated.)

Maritalea
Maritalea is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Maritalea derives from: Latin neuter gender noun mare, the sea; Latin feminine gender noun talea, a staff, rod; New Latin feminine gender noun Maritalea, rod inhabiting marine environments.

Species
The genus contains a single species, namely M. myrionectae ( Hwang et al. 2009, (Type species of the genus).; New Latin genitive case noun myrionectae, of Myrionecta, the generic name of the ciliate (Myrionecta rubra) from which the type strain was isolated.)

Maritimibacter
Maritimibacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Maritimibacter derives from: Latin adjective maritimus, of the sea; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, a rod, bacterium; New Latin masculine gender noun Maritimibacter, a rod-shaped bacterium of the sea.

Species
The genus contains a single species, namely M. alkaliphilus ( Lee et al. 2007, (Type species of the genus).; New Latin noun alkali (from the Arabic word al-qaliy), the ashes of saltwort; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective alkaliphilus, loving alkaline conditions.)

Maritimimonas
Maritimimonas is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Maritimimonas derives from: Latin adjective maritimus, of the sea, marine; Latin feminine gender noun monas (μονάς / μονάδα), a unit, a monad; New Latin feminine gender noun Maritimimonas, a monad from the sea, pertaining to the habitat of the animal that harboured the type species, a marine rock.

Members of the genus Maritimimonas can be referred to as maritimimonad (viz. Trivialisation of names).

Species
The genus contains a single species, namely M. rapanae ( Park et al. 2009, (Type species of the genus).; New Latin genitive case noun rapanae, of Rapana, the generic name of the mollusc from which the type strain was isolated.)

Marivirga
Marivirga is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Marivirga derives from: Latin noun mare, the sea, Latin feminine gender noun virga, rod, New Latin feminine gender noun Marivirga, a rod that inhabits marine environments.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. sericea ( (ex Lewin 1969) Nedashkovskaya et al. 2010, nom. rev., ; Latin feminine gender adjective sericea, made from or pertaining to silk.)
 * M. tractuosa ( (Lewin 1969) Nedashkovskaya et al. 2010, (Type species of the genus).; Latin feminine gender adjective tractuosa, that draws to itself; intended to mean drawn or clumped together.)

Marivita
Marivita is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Marivita derives from: Latin noun mare, the sea; Latin feminine gender noun vita, life; New Latin feminine gender noun Marivita, sea life.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. cryptomonadis ( Hwang et al. 2009, (Type species of the genus).; New Latin genitive case noun cryptomonadis, of the generic name of the Cryptomonas sp. from which the type strain was isolated.)
 * M. litorea ( Hwang et al. 2009, ; Latin feminine gender adjective litorea, of the shore.)

Marixanthomonas
Marixanthomonas is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Marixanthomonas derives from:
 * Latin noun mare, the sea; Greek adjective xanthos, yellow; Greek feminine gender noun monas (μονάς / μονάδα), nominally meaning "a unit", but in effect meaning a bacterium; New Latin feminine gender noun Marixanthomonas, a marine yellow monad.

Members of the genus Marixanthomonas can be referred to as marixanthomonad (viz. Trivialisation of names).

Species
The genus contains a single species, namely M. ophiurae ( Romanenko et al. 2007, (Type species of the genus).;: New Latin genitive case noun ophiurae, of Ophiura, a genus of invertebrates belonging to the class Ophiuroidea, the source of isolation of the type strain.)

Marmoricola
Marmoricola is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Marmoricola derives from: Latin noun marmor, marble; Latin masculine gender suffix -cola (from Latin noun incola), inhabitant, dweller; New Latin masculine gender noun Marmoricola, inhabitant of marble.

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * M. aequoreus ( Lee 2007, ; Latin masculine gender adjective aequoreus, belonging to the sea, referring to the isolation of the type strain from the sea.)
 * M. aurantiacus ( Urz&igrave; et al. 2000, (Type species of the genus).; New Latin masculine gender adjective aurantiacus, orange-coloured.)
 * M. bigeumensis ( Dastager et al. 2008, ; New Latin masculine gender adjective bigeumensis, of or pertaining to Bigeum Island, Korea, from where the type strain was isolated.)
 * M. scoriae ( Lee and Lee 2010, ; Latin genitive case noun scoriae, of scoria (volcanic ash), referring to the site from which the type strain was isolated.)

Martelella
Martelella is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Martelella derives from: New Latin feminine gender dim. noun Martelella, in honour of the French explorer E. Martel, who, in 1896, discovered Lake Martel inside the caves of Drach in Mallorca, the site where the micro-organism was isolated.

Species
The genus contains a single species, namely M. mediterranea ( Rivas et al. 2005, (Type species of the genus).; Latin feminine gender adjective mediterranea, midland, inland, remote from the sea, mediterranean (opp. to maritimus), and, in late Latin, used to refer to the Mediterranean Sea (Mediterraneum mare), referring to the fact that the type strain was isolated from a mediterranean island.)

Marvinbryantia
Marvinbryantia is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Marvinbryantia derives from: New Latin feminine gender noun Marvinbryantia, in honour of Marvin P. Bryant (1925-2000), in recognition of his outstanding contributions to the microbial ecology of anaerobic ecosystems.

Species
The genus contains a single species, namely M. formatexigens ( (Wolin et al. 2004) Wolin et al. 2008, (Type species of the genus).; New Latin noun formas -atis, formate; Latin participle adjective exigens, demanding; New Latin feminine gender participle adjective formatexigens, formate-demanding.)

Massilia
Massilia is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Massilia derives from: Latin feminine gender noun Massilia, Latin name of Marseille, France.

Species
The genus contains 11 species (including basonyms and synonyms), namely
 * M. aerilata ( Weon et al. 2008, ; Latin noun aer aeris, air; Latin participle adjective latus -a -um, carried; New Latin feminine gender participle adjective aerilata, airborne.)
 * M. albidiflava ( Zhang et al. 2006, ; Latin adjective albidus, whitish; Latin adjective flavus, yellow; New Latin feminine gender adjective albidiflava, whitish yellow, referring to the colour of the colonies.)
 * M. aurea ( Gallego et al. 2006, ; Latin feminine gender adjective aurea, golden, referring to the yellowish pigment that the bacterium produces.)
 * M. brevitalea ( Zul et al. 2008, ; Latin adjective brevis, short; Latin feminine gender noun talea, a rod; New Latin feminine gender noun brevitalea, a short-rod, referring to the shape of cells.)
 * M. dura ( Zhang et al. 2006, ; Latin feminine gender adjective dura, hard, referring to the nature of the colonies.)
 * M. jejuensis ( Weon et al. 2010, ; New Latin feminine gender adjective jejuensis, of or belonging to Jeju Island, Republic of Korea, where the type strain was found.)
 * M. lutea ( Zhang et al. 2006, ; Latin feminine gender adjective lutea, golden yellow, referring to the colony colour.)
 * M. niabensis ( Weon et al. 2009, ; New Latin feminine gender adjective niabensis, pertaining to NIAB, the National Institute of Agricultural Biotechnology, where taxonomic studies of the type strain were conducted.)
 * M. niastensis ( Weon et al. 2009, ; New Latin feminine gender adjective niastensis, pertaining to NIAST, the National Institute of Agricultural Science and Technology, where taxonomic studies of the type strain were conducted.)
 * M. plicata ( Zhang et al. 2006, ; Latin participle feminine gender adjective plicata, folded, coiled, referring to the nature of the colonies.)
 * M. timonae ( La Scola et al. 2000, (Type species of the genus).; New Latin genitive case noun timonae, of Timone, because the organism was isolated from a patient at l&#39;Hōpital de la Timone (Marseille).)

Mechercharimyces
Mechercharimyces is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Mechercharimyces derives from:
 * New Latin noun Mecherchar, a marine lake located on Mecherchar Island in the Republic of Palau, from where the organisms were isolated; Greek masculine gender noun mukēs, fungus; New Latin masculine gender noun Mechercharimyces, a fungus of Mecherchar.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. asporophorigenens ( Matsuo et al. 2006, ;: Greek prep. a, not; New Latin noun sporophora, sporophore; Latin participle adjective genens, producing; New Latin participle adjective asporophorigenens, sporophore non-producing.)
 * M. mesophilus ( Matsuo et al. 2006, (Type species of the genus).;: Greek adjective mesos, middle; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective mesophilus, middle (temperature) -loving, mesophilic.)

Megamonas
Megamonas is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Megamonas derives from:
 * Greek adjective megas, large; Latin feminine gender noun monas (μονάς / μονάδα), nominally meaning "a unit", but in effect meaning a bacterium; New Latin feminine gender noun Megamonas, large monad.

Members of the genus Megamonas can be referred to as megamonad (viz. Trivialisation of names).

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * M. funiformis ( Sakon et al. 2008, ; Latin masculine gender noun funis, string; Latin feminine gender adjective suffix -formis (from Latin noun forma, figure, shape, appearance), -like, in the shape of; New Latin feminine gender adjective funiformis, string-shaped, referring to the cell shape.)
 * M. hypermegale ( corrig. (Harrison and Hansen 1963) Shah and Collins 1983, (Type species of the genus).;: Greek pref. hyper, over, more than; Greek adjective megas megale mega, big; New Latin feminine gender adjective hypermegale, very big.)
 * M. rupellensis ( Chevrot et al. 2008, ; Medieval Latin feminine gender adjective rupellensis, referring to La Rochelle, the site of isolation of the type strain.)

Meganema
Meganema is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Meganema derives from: Greek adjective megas, big; Greek neuter gender noun nema, thread; New Latin neuter gender noun Meganema, large thread-like micro-organism.

Species
The genus contains a single species, namely M. perideroedes ( Thomsen et al. 2006, (Type species of the genus).; New Latin neuter gender adjective perideroedes (from Greek neuter gender adjective perideroedes), necklace-like.)

Megasphaera
Megasphaera is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Megasphaera derives from: Greek adjective meg&acirc;s, big; Latin feminine gender noun sphaera, a sphere; New Latin feminine gender noun Megasphaera, big sphere.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * M. cerevisiae ( Engelmann and Weiss 1986, ; Latin noun cerevisia, beer; Latin genitive case noun cerevisiae, of beer.)
 * M. elsdenii ( (Gutierrez et al. 1959) Rogosa 1971, species. (Type species of the genus).; New Latin genitive case noun elsdenii, of Elsden; named after S.R. Elsden who first isolated the organism.)
 * M. micronuciformis ( Marchandin et al. 2003, ; Greek adjective micros, small; Latin genitive case noun nucis, of a nut; Latin suff. formis (from Latin noun forma, figure, shape, appearance), -like, in the shape of; New Latin feminine gender adjective micronuciformis, small walnut-shaped, referring to the morphology of bacterial cells and cell surface.)
 * M. paucivorans ( Juvonen and Suihko 2006, ; Latin adjective paucus, few, little; Latin participle adjective vorans, devouring; New Latin participle adjective paucivorans, devouring few substrates.)
 * M. sueciensis ( Juvonen and Suihko 2006, ; New Latin feminine gender adjective sueciensis, pertaining to Sweden.)

Meiothermus
Meiothermus is a genus in the phylum (Bacteria).

Etymology
The name Meiothermus derives from: Greek prefix meio- [from meiōn (Greek comp. of oligos or mikros (μικρός), lesser, less)], less; Greek adjective thermos (θερμός), hot; New Latin masculine gender noun Meiothermus, to indicate an organism in a less hot place.

Species
The genus contains 9 species (including basonyms and synonyms), namely
 * M. cateniformans ( Zhang et al. 2010, ; Latin noun catena, chain; Latin participle adjective formans, forming, fashioning; New Latin participle adjective cateniformans, chain-forming, referring to the fact that cells occur in chains after the end of the exponential growth phase.)
 * M. cerbereus ( Chung et al. 1997, ; Latin masculine gender adjective cerbereus, of Cerberus, named for Cerberus, the monster guarding the mythological Greek Hades.)
 * M. chliarophilus ( (Tenreiro et al. 1995) Nobre et al. 1996, ; Greek adjective chliaros, warm; New Latin masculine gender adjective philus (from Greek masculine gender adjective φίλος), friend, loving; New Latin masculine gender adjective chliarophilus, warmth loving.)
 * M. granaticius ( Albuquerque et al. 2010, ; Latin masculine gender adjective granaticius, pertaining to pomegranate and to the ruby red color of the pomegranate grains.)
 * M. ruber ( (Loginova et al. 1984) Nobre et al. 1996, (Type species of the genus).; Latin masculine gender adjective ruber, red.)
 * M. rufus ( Albuquerque et al. 2010, ; Latin masculine gender adjective rufus, red, reddish.)
 * M. silvanus ( (Tenreiro et al. 1995) Nobre et al. 1996, ; New Latin masculine gender adjective silvanus, named after Manuel T. Silva, Portuguese microbiologist and immunologist.)
 * M. taiwanensis ( Chen et al. 2002, ; New Latin masculine gender adjective taiwanensis, pertaining to Taiwan, from the hot springs of Taiwan where the bacterium was first isolated.)
 * M. timidus ( Pires et al. 2005, ; Latin masculine gender adjective timidus, timid; because only one strain was recovered from the hot spring at S&atilde;o Pedro do Sul after the isolation of so many organisms, over several years, from this site.)

Melissococcus
Melissococcus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Melissococcus derives from: Greek noun melissa, bee; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος), grain, seed), coccus; New Latin masculine gender noun Melissococcus, coccus of the (honey) bee.

Species
The genus contains a single species, namely M. plutonius ( corrig. (ex White 1912) Bailey and Collins 1983, nom. rev., (Type species of the genus).; Latin masculine gender adjective plutonius, of or belonging to Pluto (the king of the Lower World).)

Melitea
Melitea is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Melitea derives from: New Latin feminine gender noun Melitea, named after Melite, a nymph of the sea in Greek mythology, referring to the marine origin.

Species
The genus contains a single species, namely M. salexigens ( Urios et al. 2008, (Type species of the genus).; Latin noun sal salis, salt, seawater; Latin v. exigo, to demand; New Latin participle adjective salexigens, seawater-demanding.)

Melittangium
Melittangium is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Melittangium derives from: Greek noun melitta, bee; Greek neuter gender noun angeion (Latin transliteration angium), vessel; New Latin neuter gender noun Melittangium, a vessel resembling a honeycomb.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * M. alboraceum ( (Peterson 1959) McCurdy 1971, species.; Latin adjective albus, white Latin masculine gender noun racemus, the stalk of a cluster of grapes and similar plants; New Latin neuter gender adjective alboraceum, with a white stalk.)
 * M. boletus ( Jahn 1924, species. (Type species of the genus).; Latin masculine gender noun boletus, a kind of mushroom.)
 * M. lichenicola ( (Thaxter 1892) McCurdy 1971, species.; Latin noun lichen, lichen; Latin suff. -cola (from Latin noun incola), inhabitant, dweller; New Latin noun lichenicola, inhabitant of lichens.)

Meniscus
Meniscus is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Meniscus derives from: New Latin masculine gender noun meniscus (from Greek masculine gender noun mēniskos), lunar crescent, crescent moon.

Species
The genus contains a single species, namely M. glaucopis ( Irgens 1977, species. (Type species of the genus).; New Latin masculine gender adjective glaucopis (from Greek adjective glaukōpis) gleaming-eyed (an epithet of the warlike goddess Athena), perhaps a reference to the presence of refractile gas vacuoles.)

Meridianimaribacter
Meridianimaribacter is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Meridianimaribacter derives from: Latin adjective meridianus, of or belonging to the south, southern, meridional; Latin noun mare, the sea; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, a rod; New Latin masculine gender noun Meridianimaribacter, a rod of the southern sea, isolated from the South China Sea.

Species
The genus contains a single species, namely M. flavus ( Wang et al. 2010, (Type species of the genus).; Latin masculine gender adjective flavus, yellow, reflecting the colour of colonies.)

Mesoflavibacter
Mesoflavibacter is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Mesoflavibacter derives from: Greek adjective mesos, middle; Latin adjective flavus, yellow; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Mesoflavibacter, a yellow, rod-like bacterium with middle temperature growth.

Species
The genus contains a single species, namely M. zeaxanthinifaciens ( Asker et al. 2008, (Type species of the genus).; New Latin noun zeaxanthinum, zeaxanthin; Latin participle adjective faciens, making, producing; New Latin participle adjective zeaxanthinifaciens, zeaxanthin-producing.)

Mesonia
Mesonia is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Mesonia derives from: New Latin feminine gender noun Mesonia, arbitrary name derived from the abbreviation MES (Marine Experimental Station of the Pacific Institute of Bioorganic Chemistry, FEB RAS) near the site where the bacteria were first isolated.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * M. algae ( Nedashkovskaya et al. 2003, (Type species of the genus).; Latin genitive case noun algae, of alga, seaweed; bacterium isolated from alga.)
 * M. mobilis ( Nedashkovskaya et al. 2006, ; Latin feminine gender adjective mobilis, movable, mobile, referring to the ability to move by gliding.)
 * M. phycicola ( Kang and Lee 2010, ; Latin noun phycos -i (from Greek noun phukos), seaweed; Latin suff. -cola (from Latin noun incola), an inhabitant of a place, a resident; New Latin noun phycicola, an inhabitant of seaweed.)

Mesophilobacter
Mesophilobacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Mesophilobacter derives from:
 * Greek adjective mesos, middle; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod, staff; New Latin masculine gender noun, Mesophilobacter, mesophilic rod.

Species
The genus contains a single species, namely M. marinus ( Nishimura et al. 1989, (Type species of the genus).;: Latin masculine gender adjective marinus, of the sea, marine.)

Mesoplasma
Mesoplasma is a genus in the phylum Tenericutes (Bacteria).

Etymology
The name Mesoplasma derives from: Greek adjective mesos, medium, middle; Greek neuter gender noun plasma (πλάσμα), something formed or molded, a form, figure; New Latin neuter gender noun Mesoplasma, middle form, name intended to denote a middle position with respect to sterol or cholesterol requirement.

Species
The genus contains 12 species (including basonyms and synonyms), namely
 * M. chauliocola ( Tully et al. 1994, ; New Latin noun chaulio, first part of the genus name of goldenrod beetle (Chauliognathus); Latin suff. -cola (from Latin noun incola) inhabitant, dweller; New Latin noun chauliocola, inhabitant of the goldenrod beetle.)
 * M. coleopterae ( Tully et al. 1994, ; New Latin feminine gender genitive case noun coleopterae, of Coleoptera, referring to the order of insects (Coleoptera) from which the organism was first isolated.)
 * M. corruscae ( Tully et al. 1994, ; New Latin feminine gender genitive case noun corruscae, of corrusca, referring to the species of firefly beetle (Ellychnia corrusca) from which the organism was first isolated.)
 * M. entomophilum ( (Tully et al. 1988) Tully et al. 1993, ; Greek noun entomon, insect; New Latin neuter gender adjective philum (from Greek neuter gender adjective philon (φίλον)), friend, loving; New Latin neuter gender adjective entomophilum, insect loving.)
 * M. florum ( (McCoy et al. 1984) Tully et al. 1993, (Type species of the genus).; Latin noun flos -oris, a flower; Latin genitive case pl. noun florum, of flowers, indicating the recovery site of the organism.)
 * M. grammopterae ( Tully et al. 1994, ; New Latin feminine gender genitive case noun grammopterae, of Grammoptera, referring to the genus of beetle (Grammoptera) from which the organism was first isolated.)
 * M. lactucae ( (Rose et al. 1990) Tully et al. 1993, ; Latin noun lactuca, lettuce; Latin genitive case noun lactucae, of lettuce, referring to the plant from which the organism was first isolated.)
 * M. photuris ( Tully et al. 1994, ; New Latin genitive case noun photuris, of Photuris, referring to the genus of firefly beetle (Photuris sp.) from which the organism was first isolated.)
 * M. pleciae ( Tully et al. 1994, ;)
 * M. seiffertii ( (Bonnet et al. 1991) Tully et al. 1993, ; New Latin masculine gender genitive case noun seiffertii, of Seiffert, in honor of Gustav Seiffert, a German microbiologist who performed pioneer studies on mollicutes that occur in soil and compost and do not require sterols for growth.)
 * M. syrphidae ( Tully et al. 1994, ; New Latin feminine gender genitive case noun syrphidae, of a syrphid, referring to the syrphid fly family (Syrphidae), from which it the organism was first isolated.)
 * M. tabanidae ( Tully et al. 1994, ; New Latin feminine gender genitive case noun tabanidae, of a tabanid, referring to the horse fly family (Tabanidae), the host from which the organism was first isolated.)

Mesorhizobium
Mesorhizobium is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Mesorhizobium derives from: Greek adjective mesos, middle; New Latin neuter gender noun Rhizobium, bacterial generic name; New Latin neuter gender noun Mesorhizobium, the meso-growing rhizobium, referring to the growth rate intermediate between those of the genera Rhizobium and Bradyrhizobium.

Species
The genus contains 22 species (including basonyms and synonyms), namely
 * M. albiziae ( Wang et al. 2007, ; New Latin genitive case noun albiziae, of Albizia, a genus of leguminous plants, referring to the isolation of the first strains from Albizia kalkora.)
 * M. alhagi ( Chen et al. 2010, ; New Latin genitive case noun alhagi, of Alhagi, a genus of leguminous plants, referring to the host from which the type strain was isolated.)
 * M. amorphae ( Wang et al. 1999, ; New Latin genitive case noun amorphae, of Amorpha, a genus of plant with which the species forms a nitrogen-fixing symbiosis.)
 * M. australicum ( Nandasena et al. 2009, ; New Latin neuter gender adjective australicum, pertaining to Australia, from where these bacteria were isolated.)
 * M. camelthorni ( Chen et al. 2011, ; New Latin noun camelthornum, camelthorn, a common name for leguminous plants of the genus Alhagi in China; New Latin genitive case noun camelthorni, of camelthorn, from which the type strain was isolated.)
 * M. caraganae ( Guan et al. 2008, ; New Latin genitive case noun caraganae, of Caragana, a genus of leguminous plants, referring to the rhizobium isolated from root nodules of Caragana spp.)
 * M. chacoense ( Vel&aacute;zquez et al. 2001, ; New Latin neuter gender adjective chacoense, pertaining to El Chaco, Argentina, where the type strain was isolated.)
 * M. ciceri ( (Nour et al. 1994) Jarvis et al. 1997, ; Latin noun cicer -eris, the chickpea, and also a botanical generic name; Latin genitive case noun ciceri, of Cicer.)
 * M. gobiense ( Han et al. 2008, ; New Latin neuter gender adjective gobiense, pertaining to the Gobi desert, where the strains reported in this study were isolated.)
 * M. huakuii ( (Chen et al. 1991) Jarvis et al. 1997, ; New Latin genitive case noun huakuii, of Huakui, named in honor of Huakui Chen, a Chinese professor of soil microbiology, who is the pioneer in investigating the microsymbionts isolated from Astragalus sinicus.)
 * M. loti ( (Jarvis et al. 1982) Jarvis et al. 1997, (Type species of the genus).; Latin noun Lotus, the name of several plants and also the generic name of leguminous plants (Lotus); Latin genitive case noun loti, of Lotus.)
 * M. mediterraneum ( (Nour et al. 1995) Jarvis et al. 1997, ; Latin neuter gender adjective mediterraneum, midland, inland, remote from the sea, mediterranean (opp. to maritimus), and, in late Latin, used to refer to the Mediterranean Sea (Mediterraneum mare).)
 * M. metallidurans ( Vidal et al. 2009, ; Latin noun metallum, metal; Latin participle adjective durans, enduring; New Latin participle adjective metallidurans, enduring metal, referring to the metal resistance of strains of the species.)
 * M. opportunistum ( Nandasena et al. 2009, ; New Latin neuter gender adjective opportunistum (from Latin adjective opportunus, opportune, advantageous, serviceable, useful), opportunistic, after the opportunistic behaviour of the organism in obtaining symbiotic genes from other root-nodule bacteria and its ability to nodulate a broad range of legume hosts.)
 * M. plurifarium ( de Lajudie et al. 1998, ; Latin neuter gender adjective plurifarum (from Latin adv. plurifariam, in many parts or places), varied, numerous; referring to the fact that this species contains strains isolated from several places in East Africa,West Africa, and South America.)
 * M. robiniae ( Zhou et al. 2010, ; New Latin genitive case noun robiniae, of Robinia, a genus of leguminous plants, referring to the host from which this species was first isolated.)
 * M. septentrionale ( Gao et al. 2004, ; Latin neuter gender adjective septentrionale, northern, implying that the strains were isolated from the northern parts of China.)
 * M. shangrilense ( Lu et al. 2009, ; New Latin neuter gender adjective shangrilense, pertaining to Shangri-La, the name of the area covering the sites where the first strains were isolated.)
 * M. tarimense ( Han et al. 2008, ; New Latin neuter gender adjective tarimense, referring to the Tarim basin, from where the strains reported in this study were isolated.)
 * M. temperatum ( Gao et al. 2004, ; Latin neuter gender adjective temperatum, temperate, implying that the strains were isolated from temperate zones.)
 * M. thiogangeticum ( Ghosh and Roy 2006, ; Greek noun theion (θέω) (Latin transliteration thium), sulfur; Latin adjective gangeticus, from Ganga; New Latin neuter gender adjective thiogangeticum, because the bacterium is so far the only sulfur-lithotrophic member of Mesorhizobium and it is native of the Gangetic plains of India.)
 * M. tianshanense ( (Chen et al. 1995) Jarvis et al. 1997, ; New Latin neuter gender adjective tianshanense, pertaining to the Tianshan Mountains in the Xingjiang region of the People&#39; s Republic of China, where strains were isolated.)

Metallosphaera
Metallosphaera is a genus in the phylum Crenarchaeota (Archaea).

Etymology
The name Metallosphaera derives from: Latin neuter gender noun metallum, a mine or quarry, metal; Latin feminine gender noun sphaera, sphere; New Latin feminine gender noun Metallosphaera, the metal-mobilizing sphere.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * M. hakonensis ( (Takayanagi et al. 1996) Kurosawa et al. 2003, ; New Latin feminine gender adjective hakonensis, pertaining to Hakone, Japan, where the type strain was isolated.)
 * M. prunae ( Fuchs et al. 1996, ; Latin feminine gender genitive case noun prunae, of a burning coal, of the glowing coal.)
 * M. sedula ( Huber et al. 1989, (Type species of the genus).; Latin feminine gender adjective sedula, busy, diligent, industrious, describing the efficient metal mobilization.)

Metascardovia
Metascardovia is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Metascardovia derives from: Greek adv. meta, besides; New Latin feminine gender noun Scardovia, a bacterial genus name; New Latin feminine gender noun Metacardovia, a genus besides Scardovia.

Species
The genus contains a single species, namely

Methanimicrococcus
Methanimicrococcus is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanimicrococcus derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; Greek adjective mikros (μικρός), small; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος), grain, seed), coccus; New Latin masculine gender noun methanomicrococcus, a small methane-forming coccus.

Species
The genus contains a single species, namely M. blatticola ( corrig. Sprenger et al. 2000, (Type species of the genus).; Latin noun blatta, cockroach; Latin suff. -cola (from Latin noun incola), inhabitant, dweller; New Latin noun blatticola, inhabitant of the cockroach.)

Methanobacterium
Methanobacterium is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanobacterium derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Latin neuter gender noun bacterium, a rod; New Latin neuter gender noun Methanobacterium, methane (-producing) rod.

Species
The genus contains 27 species (including basonyms and synonyms), namely
 * M. aarhusense ( Shlimon et al. 2004, ; New Latin neuter gender adjective aarhusense, from Aarhus, a city on the east coast of Jutland, Denmark, where the type strain was isolated.)
 * M. alcaliphilum ( Worakit et al. 1986, ;)
 * M. arbophilicum ( Zeikus and Henning 1975, species.; Latin noun arbor -oris, tree; New Latin neuter gender adjective philum (from Greek neuter gender adjective philon (φίλον)), friend, loving; New Latin neuter gender adjective arboriphilicum (sic), tree-loving.)
 * M. arcticum ( Shcherbakova et al. 2011, ; Latin neuter gender adjective arcticum, northern, arctic, from the Arctic, referring to the isolation of the type strain from Arctic permafrost.)
 * M. beijingense ( Ma et al. 2005, ; New Latin neuter gender adjective beijingense, pertaining to Beijing, where the type strain was isolated.)
 * M. bryantii ( Balch and Wolfe 1981, ; New Latin genitive case masculine gender noun bryantii, of Bryant; named for M.P. Bryant for his pioneering work on methanogens and for the separation and characterization of this organism from the &ldquo;Methanobacillus omelianskii&rdquo; syntrophic coculture.)
 * M. congolense ( Cuzin et al. 2001, ; New Latin neuter gender adjective congolense, pertaining to Congo, where the type strain was isolated.)
 * M. defluvii ( Kotelnikova et al. 1994, ; Latin genitive case noun defluvii, of sewage.)
 * M. espanolae ( Patel et al. 1990, ; New Latin genitive case noun espanolae, of Espanola, Ontario, Canada.)
 * M. ferruginis ( Mori and Harayama 2011, ; Latin noun ferrugo -inis, iron rust; Latin genitive case noun ferruginis, of iron rust.)
 * M. formicicum ( Schnellen 1947, species. (Type species of the genus).; New Latin noun acidum formicum, formic acid; Latin neuter gender suff. -icum, suffix used with the sense of pertaining to; New Latin neuter gender adjective formicicum, pertaining to formic acid.)
 * M. ivanovii ( Jain et al. 1988, ; New Latin genitive case masculine gender noun ivanovii, of Ivanov, after the Russian scientist M.V. Ivanov for his pioneering interest in environmental biogeochemistry and microbial methanogenesis in deep subsurface environments.)
 * M. mobile ( Paynter and Hungate 1968, species.; Latin neuter gender adjective mobile, motile, movable.)
 * M. oryzae ( Joulian et al. 2000, ; Latin genitive case noun oryzae, of rice.)
 * M. palustre ( Zellner et al. 1990, ; Latin neuter gender adjective palustre, marshy, swampy, indicating its occurrence in a muddy environment.)
 * M. petrolearium ( Mori and Harayama 2011, ; Latin noun petra, rock; Latin adjective olearius -a -um, related to oil; New Latin neuter gender adjective petrolearium, related to mineral oil.)
 * M. ruminantium ( Smith and Hungate 1958, species.; Latin participle adjective ruminans -antis, ruminating; New Latin pl. genitive case noun ruminantium, of ruminants.)
 * M. subterraneum ( Kotelnikova et al. 1998, ; Latin neuter gender adjective subterraneum, underground, below the earth/soil surface.)
 * M. thermaggregans ( corrig. Blotevogel and Fischer 1988, ; Greek adjective thermos (θερμός), hot; Latin participle adjective aggregans, aggregating, clumping; New Latin participle adjective thermoaggregans, thermophilic and aggregate-forming.)
 * M. thermalcaliphilum ( corrig. Blotevogel et al. 1988, ; Greek adjective thermos (θερμός), hot; New Latin noun alcali (from Arabic article al, the; Arabic noun qaliy, ashes of saltwort), alcali; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin neuter gender adjective thermoalcaliphilum, heat and alkali loving.)
 * M. thermautotrophicum ( corrig. Zeikus and Wolfe 1972, species.; Greek adjective thermos (θερμός), hot; Greek pref. auto (αὐτός), self; Greek neuter gender adjective trophikon, nursing, tending; New Latin neuter gender adjective thermautotrophicum, thermophilic and autotrophic.)
 * M. thermoflexum ( Kotelnikova et al. 1994, ; Greek noun thermē (θέρμη), heat; Latin neuter gender adjective flexum, curved, bent, crooked; New Latin neuter gender adjective thermoflexum, heat-(loving) and bent or crooked.)
 * M. thermoformicicum ( Zhilina and Ilarionov 1986, ; not found.)
 * M. thermophilum ( Laurinavichus et al. 1990, ; Greek adjective thermos (θερμός), hot; New Latin neuter gender adjective philum (from Greek neuter gender adjective philon (φίλον)), loving; New Latin neuter gender adjective thermophilum, thermophilic.)
 * M. uliginosum ( K&ouml;nig 1985, ; Latin neuter gender adjective uliginosum, wet, moist, marshy, since it occurs in marshy soil.)
 * M. veterum ( Krivushin et al. 2010, ; Latin genitive case pl. noun veterum, of the old, of old things, of antiquity, referring to the isolation of the type strain from ancient permafrost.)
 * M. wolfei ( Winter et al. 1985, ; New Latin genitive case masculine gender noun wolfeii, of Wolfe; named for R.S. Wolfe for his pioneering research on the biochemistry of methanogenesis.)

Methanobrevibacter
Methanobrevibacter is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanobrevibacter derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Latin adjective brevis, short; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod, staff; New Latin masculine gender noun Methanobrevibacter, short methane (-producing) rod.

Species
The genus contains 14 species (including basonyms and synonyms), namely
 * M. acididurans ( Savant et al. 2002, ; New Latin noun acidum (from Latin adjective acidus, sour), an acid; Latin participle adjective durans, resisting; New Latin participle adjective acididurans, acid-resisting.)
 * M. arboriphilus ( corrig. (Zeikus and Henning 1975) Balch and Wolfe 1981, ; Latin noun arbor -oris, tree; New Latin masculine gender adjective philus (from Greek masculine gender adjective φίλος), friend, loving; New Latin masculine gender adjective arboriphilus, tree-loving.)
 * M. curvatus ( Leadbetter and Breznak 1997, ; Latin participle masculine gender adjective curvatus, bended, curved, referring to the curved shape of the cell.)
 * M. cuticularis ( Leadbetter and Breznak 1997, ; Latin dim. noun cuticula, skin; Latin masculine gender suff. -aris, suffix denoting pertaining to; New Latin feminine gender adjective cuticularis, pertaining to skin, referring to the cuticular surface of the termite hindgut epithelium, which is colonized by this organism.)
 * M. filiformis ( Leadbetter et al. 1998, ; Latin noun filum, a thread; Latin adjective suffix -formis (from Latin noun forma, figure, shape, appearance), -like, in the shape of; New Latin masculine gender adjective filiformis, thread shaped.)
 * M. gottschalkii ( Miller and Lin 2002, ; New Latin genitive case masculine gender noun gottschalkii, of Gottschalk, named in honour of Gerhard Gottschalk for his notable contributions to the understanding of the biochemistry of methanogenesis)
 * M. millerae ( Rea et al. 2007, ;: New Latin genitive case feminine gender noun millerae, of Miller, named for Dr Terry Miller for her contributions to the taxonomy of methanogens, in particular the genus Methanobrevibacter.)
 * M. olleyae ( Rea et al. 2007, ;: New Latin genitive case feminine gender noun olleyae, of Olley, named for Dr June Olley for her contributions to food microbiology.)
 * M. oralis ( Ferrari et al. 1995, ; Latin noun os oris, mouth; Latin masculine gender suff. -alis, suffix denoting pertaining to; New Latin masculine gender adjective oralis, pertaining to the mouth.)
 * M. ruminantium ( (Smith and Hungate 1958) Balch and Wolfe 1981, (Type species of the genus).; Latin participle adjective ruminans -antis, ruminating; New Latin pl. genitive case noun ruminantium, of ruminants.)
 * M. smithii ( Balch and Wolfe 1981, ; New Latin genitive case noun smithii, of Smith; named after P.H. Smith, who isolated the type strain.)
 * M. thaueri ( Miller and Lin 2002, ; New Latin genitive case masculine gender noun thaueri, of Thauer, named in honour of Rolf K. Thauer for his fundamental contributions to the delineation of the biochemistry of methanogenesis)
 * M. woesei ( Miller and Lin 2002, ; New Latin genitive case masculine gender noun woesei, of Woese, named in honour of Carl R. Woese for his pioneering contributions to the understanding of the phylogeny of methanogens and other microorganisms.)
 * M. wolinii ( Miller and Lin 2002, ; New Latin genitive case masculine gender noun wolinii, of Wolin, named in honour of Meyer J. Wolin for his singular contributions to the physiological understanding of the role of methanogens and interspecies hydrogen transfer in anaerobic habitats.)

Methanocalculus
Methanocalculus is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanocalculus derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Latin masculine gender noun calculus, pebble, gravel; New Latin masculine gender noun Methanocalculus, methane (-producing) pebble-shaped organism.

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * M. chunghsingensis ( Lai et al. 2004, ; New Latin masculine gender adjective chunghsingensis, from Chung Hsing University, to honour the university where the research was performed.)
 * M. halotolerans ( Ollivier et al. 1998, (Type species of the genus).; Greek noun hals, halos (ἅλς, ἁλός), salt; Latin participle adjective tolerans, tolerating; New Latin participle halotolerans, salt tolerating.)
 * M. pumilus ( Mori et al. 2000, ; Latin masculine gender adjective pumilus, little.)
 * M. taiwanensis ( Lai et al. 2002, ; New Latin masculine gender adjective taiwanensis, pertaining to Taiwan, indicating the source of the type strain.)

Methanocaldococcus
Methanocaldococcus is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanocaldococcus derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Latin adjective caldus, hot; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος), grain, seed), coccus; New Latin masculine gender noun Methanocaldococcus, a coccus producing methane at hyperthermophilic growth temperatures.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * M. fervens ( (Jeanthon et al. 1999) Whitman 2002, ; Latin masculine gender adjective fervens, boiling hot, glowing, burning, referring to its high growth temperature.)
 * M. indicus ( L&#39;Haridon et al. 2003, ; Latin masculine gender adjective indicus, of India, referring to the Indian Ocean, where the type strain was isolated.)
 * M. infernus ( (Jeanthon et al. 1998) Whitman 2002, ; Latin masculine gender adjective infernus, of the lower regions, referring to the place of isolation, deep-sea hydrothermal vents.)
 * M. jannaschii ( (Jones et al. 1984) Whitman 2002, (Type species of the genus).; New Latin genitive case masculine gender noun jannaschii, of Jannasch; named for the marine microbiologist H.W. Jannasch.)
 * M. vulcanius ( (Jeanthon et al. 1999) Whitman 2002, ; Latin masculine gender adjective vulcanius, of Vulcanus (Vulcan), the Roman fire god, and to the place of isolation, the deep-sea hydrothermal vents)

Methanocella
Methanocella is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanocella derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Latin feminine gender noun cella, a room, and in biology a cell; New Latin feminine gender noun Methanocella, a methane-producing cell.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. arvoryzae ( Sakai et al. 2010, ; Latin noun arvum, an arable field, cultivated land; Latin noun oryza, rice; New Latin genitive case noun arvoryzae, of a rice paddy field.)
 * M. paludicola ( Sakai et al. 2008, (Type species of the genus).; Latin noun palus -udis, swamp, muddy environment; Latin suff. -cola (derived from Latin noun incola), inhabitant, dweller; New Latin masculine gender noun paludicola, an inhabitant of muddy environments.)

Methanococcoides
Methanococcoides is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanococcoides derives from: New Latin masculine gender noun Methanococcus, a bacterial genus name; Latin suff. -oides (from Greek suff. -eides, from Greek noun eidos, that which is seen, form, shape, figure), ressembling, similar; New Latin neuter gender noun Methanococcoides, organism similar to Methanococcus.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * M. alaskense ( Singh et al. 2005, ; New Latin neuter gender adjective alaskense, pertaining to Alaska, referring to Skan Bay, Alaska, from where the type strain was isolated.)
 * M. burtonii ( Franzmann et al. 1993, ; New Latin genitive case noun burtonii, of Burton; named after Harry R. Burton, a limnologist who discovered methane in Ace Lake.)
 * M. methylutens ( Sowers and Ferry 1985, (Type species of the genus).; New Latin noun methyl, methyl; Latin participle adjective utens, using; New Latin participle adjective methylutens, using methyl.)

Methanococcus
Methanococcus is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanococcus derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος), grain, seed), coccus; New Latin masculine gender noun Methanococcus, methane coccus.

Species
The genus contains 14 species (including basonyms and synonyms), namely
 * M. aeolicus ( Kendall et al. 2006, ; Latin masculine gender adjective aeolicus, &AElig;olian, referring to the Lipari Islands near Sicily, the source of the first isolated strain.)
 * M. deltae ( Corder et al. 1988, ; Latin genitive case noun deltae, of/from the fourth letter of the Greek alphabet, delta.)
 * M. fervens ( Jeanthon et al. 1999, ; Latin masculine gender adjective fervens, boiling hot, glowing, burning, referring to its high growth temperature.)
 * M. frisius ( Blotevogel et al. 1986, ; New Latin masculine gender adjective frisius, pertaining to Frisia, a region of the Germany.)
 * M. halophilus ( Zhilina 1984, ; Greek noun hals, halos (ἅλς, ἁλός), salt; New Latin masculine gender adjective philus (from Greek masculine gender adjective φίλος), friend, loving; New Latin masculine gender adjective halophilus, salt loving.)
 * M. igneus ( Burggraf et al. 1990, ; Latin masculine gender adjective igneus, belonging to the fire, denoting its high growth temperature.)
 * M. infernus ( Jeanthon et al. 1998, ; Latin masculine gender adjective infernus, of the lower regions, referring to the place of isolation, deep-sea hydrothermal vents.)
 * M. jannaschii ( Jones et al. 1984, ; New Latin genitive case masculine gender noun jannaschii, of Jannasch; named for the marine microbiologist H.W. Jannasch.)
 * M. maripaludis ( Jones et al. 1984, ; Latin noun mare, sea; Latin noun palus -udis, marsh; New Latin genitive case noun maripaludis, of the sea marsh.)
 * M. mazei ( Barker 1936, species. (Old type species of the genus).; New Latin genitive case noun mazeii, of Maz&eacute;, named for P. Maz&eacute;, the French bacteriologist who first studied the organism.)
 * M. thermolithotrophicus ( Huber et al. 1984 (complete authorship reads: Huber, Thomm and Stetter), ; Greek noun thermē (θέρμη), heat; Greek noun lithos, stone; Greek masculine gender adjective trophikos, nursing, tending; New Latin masculine gender adjective thermolithotrophicus, grows lithotrophically at elevated temperatures.)
 * M. vannielii ( Stadtman and Barker 1951, species.; New Latin genitive case masculine gender noun vannielii, of van Niel; named for C.B. van Niel, the bacteriologist who developed the carbon dioxide reduction theory of methane formation.)
 * M. voltae ( Balch and Wolfe 1981, ; New Latin genitive case masculine gender noun voltae, of Volta; named for the Italian physicist A. Volta for discovery of the combustible nature of gas from anaerobic sediments.)
 * M. vulcanius ( Jeanthon et al. 1999, ; Latin masculine gender adjective vulcanius, of Vulcanus (Vulcan), the Roman fire god, and to the place of isolation, the deep-sea hydrothermal vents.)

Methanocorpusculum
Methanocorpusculum is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanocorpusculum derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Latin neuter gender noun corpusculum, a little body, a particle; New Latin neuter gender noun Methanocorpusculum, a methane-producing particle.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * M. aggregans ( (Ollivier et al. 1985) Xun et al. 1989, ; Latin participle adjective aggregans, assembling, aggregating.)
 * M. bavaricum ( Zellner et al. 1989, ; New Latin neuter gender genitive case noun bavaricum, pertaining to Bavaria, to indicate the original habitat of the type strain of the species which was isolated from anaerobic sediment of a wastewater treatment pond at a sugar factory in Regensburg, Germany.)
 * M. labreanum ( Zhao et al. 1989, ; New Latin neuter gender adjective labreanum, pertaining to La Brea, isolated from surface sediments of the La Brea Tar Pits, Los Angeles, California.)
 * M. parvum ( Zellner et al. 1988, (Type species of the genus).; Latin neuter gender adjective parvum, small.)
 * M. sinense ( Zellner et al. 1989, ; Medieval Latin genitive case noun sinae, of China; New Latin neuter gender adjective sinense, pertaining to China, indicating the source of the type strain which was isolated from a pilot plant for treatment of distillery wastewater in Chengdu, China.)

Methanoculleus
Methanoculleus is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanoculleus derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Latin masculine gender noun culleus, a leather bag, a sack for holding liquids; New Latin masculine gender noun Methanoculleus, methane producing bag.

Species
The genus contains 10 species (including basonyms and synonyms), namely
 * M. bourgensis ( corrig. (Ollivier et al. 1986) Maestroju&aacute;n et al. 1990, (Type species of the genus).; New Latin masculine gender adjective bourgensis, pertaining to Bourg-en-Bresse, France, name of a locality in France.)
 * M. chikugoensis ( Dianou et al. 2001, ; New Latin masculine gender adjective chikugoensis, pertaining to Chikugo, the city in Fukuoka, Japan, from where the strain was isolated.)
 * M. hydrogenitrophicus ( Tian et al. 2010, ; New Latin noun hydrogenum (from Greek noun húdōr (ὕδωρ), water; Greek v. gennaō (γεννάω), to produce), hydrogen; New Latin masculine gender adjective trophicus (from Greek adjective trophikos), nursing, tending or feeding; New Latin masculine gender adjective hydrogenitrophicus, using hydrogen as electron donor.)
 * M. marisnigri ( (Romesser et al. 1981) Maestroju&aacute;n et al. 1990, ; Latin noun mare -is, the sea; Latin masculine gender adjective niger -gra -grum, black; New Latin genitive case noun marisnigri, of the Black Sea.)
 * M. oldenburgensis ( Blotevogel et al. 1998, ; New Latin masculine gender adjective oldenburgensis, pertaining to Oldenburg (Germany).)
 * M. olentangyi ( (Corder et al. 1988) Maestroju&aacute;n et al. 1990, ; New Latin genitive case noun olentangyi, of the Olentangy River.)
 * M. palmolei ( Zellner et al. 1998, ; Latin noun palma, palm; Latin noun oleum, oil; New Latin genitive case noun palmolei, of palm oil.)
 * M. receptaculi ( Cheng et al. 2008, ; Latin genitive case noun receptaculi, of a reservoir, isolated from production water of oil reservoir.)
 * M. submarinus ( Mikucki et al. 2003, ; Latin prep. sub, under; Latin masculine gender adjective marinus, marine, of the sea; New Latin masculine gender adjective submarinus, from under the sea)
 * M. thermophilus ( corrig. (Rivard and Smith 1982) Maestroju&aacute;n et al. 1990, ; Greek feminine gender noun thermē (θέρμη), heat; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective thermophilus, heat loving.)

Methanofollis
Methanofollis is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanofollis derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Latin masculine gender noun follis, a cushion or pillow inflated with air, a bag; New Latin masculine gender noun Methanofollis, methane-producing bag.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * M. aquaemaris ( Lai and Chen 2001, ; Latin noun aqua -ae, water; Latin noun mare -is, sea; New Latin genitive case noun aquaemaris, of sea water.)
 * M. ethanolicus ( Imachi et al. 2009, ; New Latin noun ethanol, ethanol; Latin suff. -icus -a -um, suffix used with various meanings; New Latin masculine gender adjective ethanolicus, belonging to ethanol, referring to the substrate ethanol, which can be metabolized by the species.)
 * M. formosanus ( Wu et al. 2005, ; New Latin masculine gender adjective formosanus, pertaining to Formosa, of Formosa, the beautiful island of Taiwan.)
 * M. liminatans ( (Zellner et al. 1990) Zellner et al. 1999, ; Latin noun limus, sludge; Latin participle adjective natans, swimming; New Latin participle adjective liminatans, swimming in sludge (a methane- producing bag swimming in sludge).)
 * M. tationis ( (Zabel et al. 1986) Zellner et al. 1999, (Type species of the genus).; New Latin genitive case noun tationis, of Tatio, to indicate the source of the sample used for isolation (Mount Tatio, Chile).)

Methanogenium
Methanogenium is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanogenium derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Latin suff. genius -a -um (from Latin v. geno, to produce), producing; New Latin neuter gender noun Methanogenium, methane-producing.

Species
The genus contains 12 species (including basonyms and synonyms), namely
 * M. aggregans ( Ollivier et al. 1985, ; Latin participle adjective aggregans, assembling, aggregating.)
 * M. bourgense ( Ollivier et al. 1986, ; New Latin neuter gender adjective bourgense, pertaining to Bourg-en-Bresse, France, name of a locality in France.)
 * M. cariaci ( Romesser et al. 1981, (Type species of the genus).; New Latin genitive case noun cariaci (sic), of Cariaco.)
 * M. frigidum ( Franzmann et al. 1997, ; Latin neuter gender adjective frigidum, cold, referring to the low, growth temperatures of the species.)
 * M. frittonii ( Harris et al. 1996, ; New Latin genitive case noun frittonii, of the Fritton.)
 * M. liminatans ( Zellner et al. 1990, ; Latin noun limus, sludge; Latin participle adjective natans, swimming; New Latin participle adjective liminatans, swimming in sludge.)
 * M. marinum ( Chong et al. 2003, ; Latin neuter gender adjective marinum, of the sea, marine, indicating the habitat of this species.)
 * M. marisnigri ( Romesser et al. 1981, ; Latin noun mare -is, the sea; Latin masculine gender adjective niger -gra -grum, black; New Latin genitive case noun marisnigri, of the Black Sea.)
 * M. olentangyi ( Corder et al. 1988, ; New Latin genitive case noun olentangyi, of the Olentangy River.)
 * M. organophilum ( Widdel et al. 1989, ; New Latin pref. organo- (from Greek adjective organikos, of or pertaining to an organ, organic), pertaining to organic substance; New Latin neuter gender adjective philum (from Greek neuter gender adjective philon (φίλον)), friend, loving; New Latin neuter gender adjective organophilum, that likes organic compounds.)
 * M. tationis ( corrig. Zabel et al. 1986, ; New Latin genitive case noun tationis, of Tatio, to indicate the source of the sample used for isolation (Mount Tatio, Chile).)
 * M. thermophilicum ( Rivard and Smith 1982, ; Greek feminine gender noun thermē (θέρμη), heat; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin neuter gender adjective thermophilicum (sic),heat loving.)

Methanohalobium
Methanohalobium is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanohalobium derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Greek noun hals, halos (ἅλς, ἁλός), salt; Greek masculine gender noun bios (βίος), life; New Latin neuter gender noun Methanohalobium, methane-producing organism living in salt.

Species
The genus contains a single species, namely M. evestigatum ( corrig. Zhilina and Zavarzin 1988, (Type species of the genus).; Latin neuter gender adjective evestigatum, founded out, discovered.)

Methanohalophilus
Methanohalophilus is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanohalophilus derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Greek noun hals, halos (ἅλς, ἁλός), salt; New Latin masculine gender adjective philus (from Greek masculine gender adjective φίλος), friend, loving; New Latin masculine gender noun Methanohalophilus, salt-loving methanogen.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * M. halophilus ( (Zhilina 1984) Wilharm et al. 1991, ; Greek noun hals, halos (ἅλς, ἁλός), salt; New Latin masculine gender adjective philus (from Greek masculine gender adjective φίλος), friend, loving; New Latin masculine gender adjective halophilus, salt loving.)
 * M. mahii ( Paterek and Smith 1988, (Type species of the genus).; New Latin masculine gender genitive case noun mahii, of Mah, in honor of Professor Robert A. Mah for his noteworthy research in anaerobic microbiology and on methanogenic bacteria.)
 * M. oregonensis ( corrig. Liu et al. 1990, ; New Latin masculine gender adjective oregonensis, pertaining to Oregon, named for the state in which it was isolated.)
 * M. portucalensis ( Boone et al. 1993, ; New Latin masculine gender adjective portucalensis, pertaining to Portugal)
 * M. zhilinae ( Mathrani et al. 1988, ; New Latin genitive case noun zhilinae, of Zhilina; named for Tatjana Zhilina, who made many definitive studies of halophilic methanogens.)

Methanolacinia
Methanolacinia is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanolacinia derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Latin feminine gender noun lacinia, the lappet, flap, edge, or corner of a garment, a garment; New Latin feminine gender noun Methanolacinia, methane (-producing) garnment, to indicate the irregular shape of the organism.

Species
The genus contains a single species, namely M. paynteri ( (Rivard et al. 1984) Zellner et al. 1990, (Type species of the genus).; New Latin genitive case masculine gender noun paynteri, of Paynter; named after M.J.B. Paynter, who first isolated a species of the genus Methanomicrobium.)

Methanolinea
Methanolinea is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanolinea derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Latin feminine gender noun linea, line; New Latin feminine gender noun Methanolinea, a methane-producing, line-shaped morphotype.

Species
The genus contains a single species, namely M. tarda ( Imachi et al. 2008, (Type species of the genus).; Latin feminine gender adjective tarda, slow, referring to its slow growth.)

Methanolobus
Methanolobus is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanolobus derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Latin masculine gender noun lobus, ball lobe; New Latin masculine gender noun Methanolobus, methane (-producing) lobe.

Species
The genus contains 8 species (including basonyms and synonyms), namely
 * M. bombayensis ( Kadam et al. 1994, ; New Latin masculine gender adjective bombayensis, pertaining to Bombay, named for its source in the sediments of the Bay of Bombay.)
 * M. oregonensis ( (Liu et al. 1990) Boone 2002, ; New Latin masculine gender adjective oregonensis, pertaining to Oregon, named for the state in which it was isolated.)
 * M. profundi ( Mochimaru et al. 2009, ; Latin genitive case noun profundi, of an abyss.)
 * M. siciliae ( Stetter and K&ouml;nig 1989 in Stetter 1989, ; Latin genitive case noun siciliae, of Sicily, the place of isolation in Italy.)
 * M. taylorii ( Oremland and Boone 1994, ; New Latin genitive case noun taylorii, of Taylor, named in honor of Barrie F. Taylor for his contributions to our understanding of the marine organosulfur cycle and his mentorship of many students and postdoctoral associates in the field of marine microbiology.)
 * M. tindarius ( K&ouml;nig and Stetter 1983, (Type species of the genus).; New Latin masculine gender adjective tindarius, pertaining to Tindari, the place of isolation in Sicily, Italy.)
 * M. vulcani ( Stetter et al. 1989 in Stetter 1989 (complete authorship reads: Stetter, K&ouml;nig and Thomm), ; Latin genitive case noun vulcani, of Vulcanus (Vulcan), the god after whom Vulcano Island was named (Insula Vulcani).)
 * M. zinderi ( Doerfert et al. 2009, ; New Latin genitive case masculine gender noun zinderi, of Zinder, named in honour of Stephen H. Zinder for his outstanding contributions to our understanding of the microbiology and ecology of methanogenesis.)

Methanomethylovorans
Methanomethylovorans is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanomethylovorans derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl group; New Latin pref. methylo-, pertaining to the methyl radical; Latin participle adjective vorans, devouring; New Latin feminine gender participle adjective Methanomethylovorans, methane producing, methyl group consuming.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. hollandica ( Lomans et al. 2004, (Type species of the genus).; New Latin feminine gender adjective hollandica, from The Netherlands (Holland), referring to the origin of the type strain.)
 * M. thermophila ( Jiang et al. 2005, ; Greek adjective thermos (θερμός), hot; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin feminine gender adjective thermophila, heat-loving.)

Methanomicrobium
Methanomicrobium is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanomicrobium derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; New Latin neuter gender noun microbium (from Greek adjective mikros (μικρός), small, and Greek noun bios (βίος), life), microbe; New Latin neuter gender noun Methanomicrobium, methane (-producing) small life (-form).

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. mobile ( (Paynter and Hungate 1968) Balch and Wolfe 1981, (Type species of the genus).; Latin neuter gender adjective mobile, motile, movable.)
 * M. paynteri ( Rivard et al. 1984, ; New Latin genitive case masculine gender noun paynteri, of Paynter; named after M.J.B. Paynter, who first isolated a species of the genus.)

Methanoplanus
Methanoplanus is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanoplanus derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Latin masculine gender adjective planus, flat, plane; New Latin masculine gender noun Methanoplanus, the methane (-producing) plate.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * M. endosymbiosus ( van Bruggen et al. 1986, ; Greek adv. endos, inside; New Latin masculine gender adjective symbiosus (from. Greek adjective sumbios, living together), living together; New Latin masculine gender adjective endosymbiosus, living symbiotically inside of another organism.)
 * M. limicola ( Wildgruber et al. 1984 (complete authorship reads: Wildgruber, Thomm and Stetter), (Type species of the genus).; Latin masculine gender noun limicola, a dweller in the mud, inhabitant of a swamp.)
 * M. petrolearius ( Ollivier et al. 1998, ; Latin feminine gender noun petra, rock; Latin masculine gender adjective olearius, related to oil; New Latin masculine gender adjective petrolearius, related to mineral oil.)

Methanopyrus
Methanopyrus is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanopyrus derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Greek neuter gender noun pur, fire; New Latin masculine gender noun Methanopyrus, the &ldquo;methane fire&rdquo; (the hyperthermophilic methanogen).

Species
The genus contains a single species, namely M. kandleri ( Kurr et al. 1992, (Type species of the genus).; New Latin genitive case masculine gender noun kandleri, of Kandler, honoring the microbiologist and botanist Otto Kandler.)

Methanoregula
Methanoregula is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanoregula derives from: New Latin pref. methano-, pertaining to methane; Latin feminine gender noun regula, slat or ruler; New Latin feminine gender noun Methanoregula, methane-producing thin slat.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. boonei ( Br&auml;uer et al. 2011, (Type species of the genus).; New Latin masculine gender genitive case noun boonei, of Boone, to honour the pioneering work of David Boone on methanogenic archaea.)
 * M. formicica ( Yashiro et al. 2011, ; New Latin noun acidum formicum, formic acid; Latin feminine gender suff. -ica, suffix used with the sense of pertaining to; New Latin feminine gender adjective formicica, pertaining to formic acid, referring to the ability of the type strain to utilize formate.)

Methanosaeta
Methanosaeta is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanosaeta derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Latin feminine gender noun saeta, bristle; New Latin feminine gender noun Methanosaeta, methane (-producing) bristle.

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * M. concilii ( (Patel 1985) Patel and Sprott 1990, (Type species of the genus).; Latin genitive case noun concilii, of a council, named after the National Research Council of Canada, in whose laboratories the type strain was isolated.)
 * M. harundinacea ( Ma et al. 2006, ; Latin feminine gender adjective harundinacea, like a reed, referring to the cell shape of a reed stem.)
 * M. thermoacetophila ( (Nozhevnikova and Chudina 1988) Patel and Sprott 1990, ; Greek feminine gender noun thermē (θέρμη), heat; Latin noun acetum, vinegar; New Latin feminine gender adjective phila (from Greek feminine gender adjective philē (φίλη)), friend, loving; New Latin feminine gender adjective thermacetophila, heat- and acetate-loving.)

Methanosalsum
Methanosalsum is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanosalsum derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Latin neuter gender adjective salsum, salted, salty; New Latin neuter gender noun Methanosalsum, the salty methane (bacterium).

Species
The genus contains a single species, namely M. zhilinae ( (Mathrani et al. 1988) Boone and Baker 2002, (Type species of the genus).; New Latin genitive case noun zhilinae, of Zhilina; named for Tatjana Zhilina, who made many definitive studies of halophilic methanogens.)

Methanosarcina
Methanosarcina is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanosarcina derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Latin feminine gender noun sarcina, a package, bundle; New Latin feminine gender noun Methanosarcina, methane package, methane sarcina.

Species
The genus contains 10 species (including basonyms and synonyms), namely
 * M. acetivorans ( Sowers et al. 1986, ; Latin neuter gender noun acetum, vinegar; Latin participle adjective vorans, devouring, consuming; New Latin feminine gender participle adjective acetivorans, consuming acetic acid.)
 * M. baltica ( von Klein et al. 2002, ; New Latin feminine gender adjective baltica, from the Baltic Sea.)
 * M. barkeri ( Schnellen 1947, species.; New Latin genitive case masculine gender noun barkeri, of Barker; named for H.A. Barker, who made many definitive studies of this and other methanogenic bacteria.)
 * M. frisia ( (Blotevogel et al. 1986) Blotevogel and Fischer 1989, ; New Latin feminine gender adjective frisia, pertaining to Frisia, a region of the Germany.)
 * M. lacustris ( Simankova et al. 2002, ; New Latin feminine gender adjective lacustris, related to a lake, inhabiting lake.)
 * M. mazei ( (Barker 1936) Mah and Kuhn 1984, ; New Latin genitive case noun mazeii, of Maz&eacute;, named for P. Maz&eacute;, the French bacteriologist who first studied the organism.)
 * M. methanica ( (Smit 1930) Kluyver and van Niel 1936, species. (Type species of the genus).; New Latin noun methanum, methane; Latin feminine gender suff. -ica, suffix used with the sense of pertaining to; New Latin feminine gender adjective methanica, pertaining to methane.)
 * M. semesiae ( Lyimo et al. 2000, ; New Latin genitive case feminine gender noun semesiae, of Semesi, named after Adelaida K. Semesi in recognition of her many contributions to marine biology studies and for her mentorship/supervision of many postgraduate students in the field of microbiology.)
 * M. siciliae ( (Stetter and K&ouml;nig 1989) Ni et al. 1994, ; Latin genitive case noun siciliae, of Sicily, the place of isolation in Italy.)
 * M. thermophila ( Zinder et al. 1985, ; Greek noun thermē (θέρμη), heat; New Latin feminine gender adjective phila (from Greek feminine gender adjective philē (φίλη)), friend, loving; New Latin feminine gender adjective thermophila, heat loving.)
 * M. vacuolata ( Zhilina and Zavarzin 1987, ; New Latin feminine gender participle adjective vacuolata, equipped with gas vacuoles.)

Methanosphaera
Methanosphaera is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanosphaera derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Latin feminine gender noun sphaera, a sphere; New Latin feminine gender noun Methanosphaera, methane-producing sphere.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. cuniculi ( Biavati et al. 1990, ; Latin genitive case noun cuniculi, of the rabbit.)
 * M. stadtmanae ( Miller and Wolin 1985, (Type species of the genus).; New Latin genitive case feminine gender noun stadtmanae, of Stadtman; named in honor of T.C. Stadtman for her important contributions to the microbiology and biochemistry of methanogenesis.)

Methanosphaerula
Methanosphaerula is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanosphaerula derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Latin feminine gender noun sphaerula, a small sphere; New Latin feminine gender noun Methanosphaerula, small spherical methane-producer.

Species
The genus contains a single species, namely M. palustris ( Cadillo-Quiroz et al. 2009, (Type species of the genus).; Latin feminine gender adjective palustris, marshy, swampy or muddy, living in marshes.)

Methanospirillum
Methanospirillum is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanospirillum derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Latin feminine gender noun spira, a spire; New Latin neuter gender noun spirillum, a spiral; New Latin neuter gender noun Methanospirillum, methane (-producing) spiral.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. hungatei ( corrig. Ferry et al. 1974, species. (Type species of the genus).; New Latin genitive case masculine gender noun hungateii, of Hungate; named for R. E. Hungate who has made many contributions to the ecological study of methanogenic bacteria.)
 * M. lacunae ( Iino et al. 2010, ; Latin noun lacuna, pond; Latin genitive case noun lacunae, of a pond.)

Methanothermobacter
Methanothermobacter is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanothermobacter derives from:
 * New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Greek adjective thermos (θερμός), hot; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod, staff; New Latin masculine gender noun Methanothermobacter, thermophilic methane rod.

Species
The genus contains 6 species (including basonyms and synonyms), namely
 * M. defluvii ( (Kotelnikova et al. 1994) Boone 2002, ;: Latin genitive case noun defluvii, of sewage.)
 * M. marburgensis ( Wasserfallen et al. 2000, ;: New Latin masculine gender adjective marburgensis, pertaining to Marburg.)
 * M. thermautotrophicus ( (Zeikus and Wolfe 1972) Wasserfallen et al. 2000, (Type species of the genus).;: Greek adjective thermos (θερμός), hot; Greek pref. auto (αὐτός), self; Greek masculine gender adjective trophikos, nursing, tending; New Latin masculine gender adjective thermautotrophicus, thermophilic and autotrophic.)
 * M. thermoflexus ( (Kotelnikova et al. 1994) Boone 2002, ;: Greek noun thermē (θέρμη), heat; Latin masculine gender adjective flexus, curved, bent, crooked; New Latin masculine gender adjective thermoflexus, heat-(loving) and bent or crooked.)
 * M. thermophilus ( (Laurinavichus et al. 1990) Boone 2002, ;: Greek adjective thermos (θερμός), hot; New Latin masculine gender adjective philus (from Greek masculine gender adjective φίλος), loving; New Latin masculine gender adjective thermophilus, thermophilic.)
 * M. wolfeii ( corrig. (Winter et al. 1985) Wasserfallen et al. 2000, ;: New Latin genitive case masculine gender noun wolfeii, of Wolfe; named for R.S. Wolfe for his pioneering research on the biochemistry of methanogenesis.)

Methanothermococcus
Methanothermococcus is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanothermococcus derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Greek adjective thermos (θερμός), hot; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος), grain, seed), coccus; New Latin masculine gender noun Methanothermococcus, a coccus producing methane at thermophilic growth temperatures.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. okinawensis ( Takai et al. 2002, ; New Latin masculine gender adjective okinawensis, pertaining to Okinawa, a region of Japan.)
 * M. thermolithotrophicus ( (Huber et al. 1984) Whitman 2002, (Type species of the genus).; Greek noun thermē (θέρμη), heat; Greek noun lithos, stone; Greek masculine gender adjective trophikos, nursing, tending; New Latin masculine gender adjective thermolithotrophicus, grows lithotrophically at elevated temperatures.)

Methanothermus
Methanothermus is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanothermus derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Greek masculine gender adjective thermos (θερμός), hot; New Latin masculine gender noun Methanothermus, methane- (producing) thermophile.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. fervidus ( Stetter 1982, (Type species of the genus).; Latin masculine gender adjective fervidus, glowing hot, burning, fervent, because of its growth in almost-boiling water.)
 * M. sociabilis ( Stetter 1986, ; Latin masculine gender adjective sociabilis, that may be easily united or joined together, sociable, because of its growth in large aggregates.)

Methanothrix
Methanothrix is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanothrix derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Greek feminine gender noun thrix, hair; New Latin feminine gender noun Thermothrix, methane (-producing) hair.

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * M. concilii ( Patel 1985, ; Latin genitive case noun concilii, of a council, named after the National Research Council of Canada, in whose laboratories the type strain was isolated.)
 * M. soehngenii ( Huser et al. 1983, (Type species of the genus) (rejected name).; New Latin genitive case masculine gender noun soehngenii, of S&ouml;hngen, named after New Latin S&ouml;hngen, who firts described this organism in his thesis (1906).)
 * M. thermoacetophila ( corrig. Nozhevnikova and Chudina 1988, ; Greek feminine gender noun thermē (θέρμη), heat; Latin noun acetum, vinegar; New Latin feminine gender adjective phila (from Greek feminine gender adjective philē (φίλη)), friend, loving; New Latin feminine gender adjective thermacetophila, heat- and acetate-loving.)
 * M. thermophila ( Kamagata et al. 1992, ; Greek feminine gender noun thermē (θέρμη), heat; New Latin feminine gender adjective phila (from Greek feminine gender adjective philē (φίλη)), friend, loving; New Latin feminine gender adjective thermophila, heat-loving.)

Methanotorris
Methanotorris is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methanotorris derives from: New Latin noun methanum [from French noun m&eacute;th(yle) and chemical suffix -ane], methane; New Latin pref. methano-, pertaining to methane; Latin masculine gender noun torris, a brand, firebrand; New Latin masculine gender noun Methanotorris, the methane-producer at fiery temperatures.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. formicicus ( Takai et al. 2004, ; New Latin neuter gender noun acidum formicicum, formic acid; Latin masculine gender suffix -icus, suffix used with the sense of belonging to, pertaining to; New Latin masculine gender adjective formicicus, pertaining to formic acid.)
 * M. igneus ( (Burggraf et al. 1990) Whitman 2002, (Type species of the genus).; Latin masculine gender adjective igneus, belonging to the fire, denoting its high growth temperature.)

Methermicoccus
Methermicoccus is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Methermicoccus derives from: New Latin masculine gender noun Methermicoccus, arbitrary name referring to a small, thermophilic, methane-producing coccus.

Species
The genus contains a single species, namely M. shengliensis ( Cheng et al. 2007, (Type species of the genus).; New Latin masculine gender adjective shengliensis, pertaining to Shengli oilfield, where the type strain was isolated.)

Methylarcula
Methylarcula is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylarcula derives from: New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl group; New Latin pref. methylo-, pertaining to the methyl radical; Latin feminine gender noun arcula, small box; New Latin feminine gender noun Methylarcula, methyl-using small box.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. marina ( Doronina et al. 2000, (Type species of the genus).; Latin feminine gender adjective marina, of or belonging to the sea, sea-, marine.)
 * M. terricola ( Doronina et al. 2000, ; Latin noun terricola, a dweller upon earth; intended to mean isolated from soil.)

Methylibium
Methylibium is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylibium derives from: New Latin noun methyl, the methyl radical, the methyl group; Greek noun bios (βίος), life; New Latin neuter gender noun Methylibium, referring to methylotroph.

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * M. aquaticum ( Song and Cho 2007, ; Latin neuter gender adjective aquaticum, living in water, aquatic.)
 * M. fulvum ( Yoon et al. 2007, ; Latin neuter gender adjective fulvum, deep yellow, gold-coloured.)
 * M. petroleiphilum ( Nakatsu et al. 2006, (Type species of the genus).; Greek noun petra, stone, rock; Latin noun oleum, oil; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin neuter gender adjective petroleiphilum, petrol loving.)
 * M. subsaxonicum ( Stackebrandt et al. 2008, ; Latin prep. sub, low, below, under; New Latin adjective saxonicus -a -um, pertaining to Saxony; New Latin neuter gender adjective subsaxonicum, pertaining to Lower Saxony, a state of Germany.)

Methylobacillus
Methylobacillus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylobacillus derives from: New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl radical; New Latin pref. methylo-, pertaining to the methyl radical; Latin masculine gender noun bacillus, a small rod; New Latin masculine gender noun Methylobacillus, methyl rodlet.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * M. flagellatus ( Govorukhina et al. 1998, ; Latin noun flagellum, a whip; Latin masculine gender suff. -atus, suffix denoting provided with; New Latin masculine gender adjective flagellatus, flagellated.)
 * M. glycogenes ( Yordy and Weaver 1977, species. (Type species of the genus).; Greek adjective gl&ucirc;kus, sweet; New Latin suff. -genes (from Greek v. gennaō (γεννάω), to produce), producing; New Latin masculine gender adjective glycogenes, sweet-producing, intended to mean sugarproducing, glycogen-producing.)
 * M. pratensis ( Doronina et al. 2004, ; Latin masculine gender adjective pratensis, growing or found in meadows.)

Methylobacter
Methylobacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylobacter derives from: New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl group; New Latin pref. methylo-, pertaining to the methyl radical; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Methylobacter, methyl rod.

Species
The genus contains 8 species (including basonyms and synonyms), namely
 * M. agilis ( (ex Whittenbury et al. 1970) Bowman et al. 1993, nom. rev., ; Latin masculine gender adjective agilis, agile, nimble.)
 * M. albus ( (ex Whittenbury 1970) Bowman et al. 1993, nom. rev., ; Latin masculine gender adjective albus, white.)
 * M. luteus ( (Romanovskaya et al. 1981) Bowman et al. 1993, (Type species of the genus).; Latin masculine gender adjective luteus, golden-yellow.)
 * M. marinus ( Bowman et al. 1993, ; Latin masculine gender adjective marinus, marine, of the sea.)
 * M. pelagicus ( (Sieburth et al. 1988) Bowman et al. 1993, ; Latin masculine gender adjective pelagicus, of or belonging to the sea.)
 * M. psychrophilus ( Omel&#39;chenko et al. 2000, ; Greek adjective psychros (ψυχρός), cold; New Latin masculine gender adjective philus (from Greek masculine gender adjective φίλος), loving; New Latin masculine gender adjective psychrophilus, cold-loving.)
 * M. tundripaludum ( Wartiainen et al. 2006, ; New Latin noun tundra, treeless polar region with permanently frozen subsoil; Latin noun palus -udis, marsh; New Latin genitive case pl. noun tundripaludum, of the tundra marshes.)
 * M. whittenburyi ( (Romanovskaya et al. 1981) Bowman et al. 1993, ; New Latin genitive case masculine gender noun whittenburyi, of Whittenbury, named in honor of British microbiologist Roger Whittenbury for his seminal research on methanotrophic bacteria.)

Methylobacterium
Methylobacterium is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylobacterium derives from: New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl radical; New Latin pref. methylo-, pertaining to the methyl radical; Latin neuter gender noun bacterium, rod or staff and, in biology, a bacterium (so called because the first ones observed were rod-shaped); New Latin neuter gender noun Methylobacterium, methyl bacterium.

Species
The genus contains 35 species (including basonyms and synonyms), namely
 * M. adhaesivum ( Gallego et al. 2006, ; New Latin neuter gender adjective adhaesivum, adhering, forming aggregates.)
 * M. aerolatum ( Weon et al. 2008, ; Greek noun aer, aeros (ἀήρ, ἀέρος), air; Latin participle adjective latus -a -um, carried; New Latin neuter gender participle adjective aerolatum, airborne.)
 * M. aminovorans ( Urakami et al. 1993, ; New Latin noun aminum, amine; Latin participle adjective vorans, devouring, eating; New Latin participle adjective aminovorans, amine devouring.)
 * M. aquaticum ( Gallego et al. 2005, ; Latin neuter gender adjective aquaticum, living, growing, or found in the water, aquatic.)
 * M. brachiatum ( Kato et al. 2008, ; Latin neuter gender adjective brachiatum, branched, referring to the presence of branched cells.)
 * M. chloromethanicum ( McDonald et al. 2001, ; Greek adjective chlōros, green; New Latin pref. chloro-, referring to the chlorine radical; New Latin noun methanum, methane: Latin masculine gender suff. -icus, suffix used with the sense of pertaining to; New Latin adjective methanicus, pertaining to methane, intended to mean methane (utilizing); New Latin neuter gender noun chloromethanicum, chloromethane (utilizing).)
 * M. dichloromethanicum ( Doronina et al. 2000, ; Latin inseparable particle dis di, in two; Greek adjective chlōros, green; New Latin pref. chloro-, referring to the chlorine radical; New Latin noun methanum, methane: Latin masculine gender suff. -icus, suffix used with the sense of pertaining to; New Latin adjective methanicus, pertaining to methane, intended to mean methane (utilizing); New Latin neuter gender noun dichloromethanicum, dichloromethane (utilizing).)
 * M. extorquens ( (Urakami and Komagata 1984) Bousfield and Green 1985, ; Latin participle adjective extorquens, twisting out.)
 * M. fujisawaense ( Green et al. 1988, ; New Latin neuter gender adjective fujisawaense, pertaining to the Fujisawa region of Japan.)
 * M. gregans ( Kato et al. 2008, ; Latin participle adjective gregans, collecting into a flock or herd, referring to the floc formation in static media.)
 * M. hispanicum ( Gallego et al. 2005, ; Latin neuter gender adjective hispanicum, of or belonging to Spain.)
 * M. iners ( Weon et al. 2008, ; Latin neuter gender adjective iners, inactive, lazy.)
 * M. isbiliense ( Gallego et al. 2005, ; New Latin neuter gender adjective isbiliense, from Isbilia, the old name for the city of Sevilla, Spain, from where the bacterium was isolated.)
 * M. jeotgali ( Aslam et al. 2007, ;: New Latin genitive case noun jeotgali, of jeotgal, a traditional Korean fermented seafood, from which the type strain was isolated.)
 * M. komagatae ( Kato et al. 2008, ; New Latin masculine gender genitive case noun komagatae, named after Dr Kazuo Komagata, in honour of his significant contributions to the study of facultatively methylotrophic bacteria.)
 * M. lusitanum ( Doronina et al. 2002, ; Latin neuter gender adjective lusitanum, of Lusitania, the Latin name of Portugal.)
 * M. marchantiae ( Schauer et al. 2011, ; New Latin genitive case noun marchantiae, of Marchantia, referring to the isolation of the type strain from a free-living thallus of the liverwort Marchantia polymorpha Latin)
 * M. mesophilicum ( (Austin and Goodfellow 1979) Green and Bousfield 1983, ; Greek adjective mesos, middle; Greek adjective philikos -ē -on, friendly; New Latin neuter gender adjective mesophilicum, friendly to the middle, because of its preference for moderate temperatures.)
 * M. nodulans ( Jourand et al. 2004, ; New Latin participle adjective nodulans, nodulating, expressing the original feature of strains to induce nitrogen-fixing nodules on roots of legume plants.)
 * M. organophilum ( Patt et al. 1976, species. (Type species of the genus).; New Latin pref. organo- (from Greek adjective organikos, of or pertaining to an organ), pertaining to organic chemical compounds; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin neuter gender adjective organophilum, intended to mean preferring complex carbon sources.)
 * M. oryzae ( Madhaiyan et al. 2007, ;: Latin genitive case noun oryzae, of rice, from which the type strain was isolated.)
 * M. persicinum ( Kato et al. 2008, ; New Latin neuter gender adjective persicinum, peach-coloured, because of its pink colour.)
 * M. phyllosphaerae ( Madhaiyan et al. 2009, ; New Latin noun phyllosphaera, phyllosphere; New Latin genitive case noun phyllosphaerae, of the phyllosphere.)
 * M. platani ( Kang et al. 2007, ;: Latin genitive case noun platani, plane-tree, of Platanus orientalis, referring to the tree species from which the micro-organism was isolated.)
 * M. podarium ( Anesti et al. 2006, ; Greek noun pos podos, the foot; Latin suff. -arius -a -um, adjectival suffix used with the sense of belonging to; New Latin neuter gender adjective podarium, belonging to the foot, isolated of the normal foot microflora of healthy individuals.)
 * M. populi ( Van Aken et al. 2004, ; Latin genitive case feminine gender noun populi, of poplar.)
 * M. radiotolerans ( corrig. (Ito and Iizuka 1971) Green and Bousfield 1983, ; New Latin pref. radio- (from Latin noun radius, a beam, ray), pertaining to radiation; Latin participle adjective tolerans, tolerating; New Latin participle adjective radiotolerans, tolerating radiation.)
 * M. rhodesianum ( Green et al. 1988, ; New Latin neuter gender adjective rhodesianum, named after the British taxonomist Muriel Rhodes-Roberts.)
 * M. rhodinum ( corrig. (Heumann 1962) Green and Bousfield 1983, ; New Latin neuter gender adjective rhodinum (from Greek neuter gender adjective rhodinon, pink), rosy, because of its pink color.)
 * M. salsuginis ( Wang et al. 2007, ; Latin genitive case noun salsuginis, of brine, seawater.)
 * M. suomiense ( Doronina et al. 2002, ; New Latin neuter gender adjective suomiense, pertaining to Suomi, the Finnish word for Finland.)
 * M. tardum ( Kato et al. 2008, ; Latin neuter gender adjective tardum, slow, referring to the slow growth of the organism.)
 * M. thiocyanatum ( Wood et al. 1999, ; New Latin noun thiocyanas -atis, thiocyanate; Latin neuter gender suff. -atum, suffix denoting provided with; New Latin neuter gender adjective thiocyanatum, intended to mean using thiocyanate.)
 * M. variabile ( Gallego et al. 2005, ; Latin neuter gender adjective variabile, variable.)
 * M. zatmanii ( Green et al. 1988, ; New Latin genitive case noun zatmanii, of Zatman, named after the British biochemist LatinJ. Zatman.)

Methylocaldum
Methylocaldum is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylocaldum derives from: New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl group; New Latin pref. methylo-, pertaining to the methyl radical; Latin adjective caldus -a -um, hot; New Latin neuter gender noun Methylocaldum, heat-loving methylotroph.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * M. gracile ( (ex Romanovskaya et al. 1978) Bodrossy et al. 1998, nom. rev., ; Latin neuter gender adjective gracile, slender, thin.)
 * M. szegediense ( Bodrossy et al. 1998, (Type species of the genus).; New Latin neuter gender adjective szegediense, pertaining to the town of Szeged.)
 * M. tepidum ( Bodrossy et al. 1998, ; Latin neuter gender adjective tepidum, moderately warm, lukewarm.)

Methylocapsa
Methylocapsa is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylocapsa derives from: New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl group; New Latin pref. methylo-, pertaining to the methyl radical; Latin feminine gender capsa, a box; here intended to mean a cover or capsule; New Latin feminine gender noun Methylocapsa, methyl-using cell covered by a capsule.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. acidiphila ( Dedysh et al. 2002, (Type species of the genus).; New Latin neuter gender noun acidum (from Latin adjective acidus -a -um, sour), an acid; New Latin feminine gender adjective phila (from Greek feminine gender adjective philē (φίλη)), friend, loving; New Latin feminine gender adjective acidophila, acid-loving.)
 * M. aurea ( Dunfield et al. 2010, ; Latin feminine gender adjective aurea, golden, referring to the colony colour.)

Methylocella
Methylocella is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylocella derives from: New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl group; New Latin pref. methylo-, pertaining to the methyl radical; Latin noun cella, a chamber, a cell; New Latin noun Methylocella, methyl-using cell.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * M. palustris ( Dedysh et al. 2000, (Type species of the genus).; Latin adjective paluster -tris -tre, marshy, of the marsh or bog, which lives in the swamps; Latin feminine gender adjective palustris, which lives in the swamps.)
 * M. silvestris ( Dunfield et al. 2003, ; Latin feminine gender adjective silvestris, of the forest.)
 * M. tundrae ( Dedysh et al. 2004, ; New Latin feminine gender noun tundra, the tundra; New Latin genitive case noun tundrae, of the tundra.)

Methylococcus
Methylococcus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylococcus derives from: New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl group; New Latin pref. methylo-, pertaining to the methyl radical; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος), grain, seed), coccus; New Latin masculine gender noun Methylococcus, methyl coccus.

Species
The genus contains 8 species (including basonyms and synonyms), namely
 * M. bovis ( Romanovskaya et al. 1981, ; Latin genitive case noun bovis, of a cow.)
 * M. capsulatus ( Foster and Davis 1966, species. (Type species of the genus).; New Latin masculine gender adjective capsulatus, encapsulated.)
 * M. chroococcus ( Romanovskaya et al. 1981, ; Greek noun chroa, color; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος), grain, seed), coccus; New Latin masculine gender noun chroococcus, colored coccus.)
 * M. luteus ( Romanovskaya et al. 1981, ; Latin masculine gender adjective luteus, golden-yellow.)
 * M. mobilis ( Hazeu et al. 1980, ; Latin masculine gender adjective mobilis, movable, mobile.)
 * M. thermophilus ( Malashenko et al. 1975, species.; Greek noun thermē (θέρμη), heat; New Latin masculine gender adjective philus (from Greek masculine gender adjective φίλος), friend, loving; New Latin masculine gender adjective thermophilus, heat loving.)
 * M. vinelandii ( Romanovskaya et al. 1981, ; New Latin masculine gender genitive case noun vinelandii, of Vineland, named after Vineland, New Jersey, where the species was first isolated.)
 * M. whittenburyi ( Romanovskaya et al. 1981, ; New Latin genitive case masculine gender noun whittenburyi, of Whittenbury, named in honor of British microbiologist Roger Whittenbury for his seminal research on methanotrophic bacteria.)

Methylocystis
Methylocystis is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylocystis derives from:
 * New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl group; New Latin pref. methylo-, pertaining to the methyl radical; New Latin feminine gender noun cystis (from Greek feminine gender noun kustis), the bladder and in biology, a cyst; New Latin feminine gender noun Methylocystis, methyl cyst.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * M. echinoides ( (ex Gal&#39;chenko et al. 1977) Bowman et al. 1993, ; Greek noun echinos, hedgehog, sea-urchin; Latin suff. -oides (from Greek suff. -eides, from Greek noun eidos, that which is seen, form, shape, figure), ressembling, similar; New Latin feminine gender adjective echinoides, hedgehog-like, spiny like a hedgehog.)
 * M. heyeri ( Dedysh et al. 2007, ;: New Latin genitive case masculine gender noun heyeri, of Heyer, named in honour of the German microbiologist J&uuml;rgen Heyer, for his highly enthusiastic research on methanotrophic bacteria and his contributions to increasing our knowledge on methanotroph diversity and ecology.)
 * M. hirsuta ( Lindner et al. 2007, ; Latin feminine gender adjective hirsuta, hairy, rough, shaggy, bristly.)
 * M. parvus ( (ex Whittenbury et al. 1970) Bowman et al. 1993,, nom. rev. (Type species of the genus).; Latin masculine gender adjective parvus, small. The correct epithet should be parva (Latin feminine gender adjective parva, small).)
 * M. rosea ( Wartiainen et al. 2006, ; Latin feminine gender adjective rosea, rose-coloured, rosy.)

Methylohalobius
Methylohalobius is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylohalobius derives from: New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl group; New Latin pref. methylo-, pertaining to the methyl radical; Greek noun hals, halos (ἅλς, ἁλός), salt; Greek masculine gender noun bios (βίος), life; New Latin masculine gender noun Methylohalobius, salt-requiring, methyl-using bacterium.

Species
The genus contains a single species, namely M. crimeensis ( Heyer et al. 2005, (Type species of the genus).; New Latin masculine gender adjective crimeensis, pertaining to Crimea.)

Methylohalomonas
Methylohalomonas is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylohalomonas derives from: New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl group; New Latin pref. methylo-, pertaining to the methyl radical; Greek noun hals, halos (ἅλς, ἁλός), salt; Greek feminine gender noun monas (μονάς / μονάδα), nominally meaning "a unit", but in effect meaning a bacterium; New Latin feminine gender noun Methylohalomonas, salt (-tolerant), methyl-group-utilizing monad.

Members of the genus Methylohalomonas can be referred to as methylohalomonad (viz. Trivialisation of names).

Species
The genus contains a single species, namely M. lacus ( Sorokin et al. 2007, (Type species of the genus).; Latin genitive case noun lacus, of a lake.)

Methylomicrobium
Methylomicrobium is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylomicrobium derives from: New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl group; New Latin pref. methylo-, pertaining to the methyl radical; New Latin neuter gender noun microbium, microbe; New Latin neuter gender noun Methylomicrobium, methyl microbe.

Species
The genus contains 7 species (including basonyms and synonyms), namely
 * M. agile ( (Bowman et al. 1993) Bowman et al. 1995, (Type species of the genus).; Latin neuter gender adjective agile, agile, nimble.)
 * M. album ( (Bowman et al. 1993) Bowman et al. 1995, ; Latin neuter gender adjective album, white.)
 * M. alcaliphilum ( Kalyuzhnaya et al. 2008, ; New Latin noun alcali (from French noun alcali), alkali; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin neuter gender adjective alcaliphilum, loving alkaline conditions.)
 * M. buryatense ( Kaluzhnaya et al. 2001, ; New Latin neuter gender adjective buryatense, pertaining to the Buryat region.)
 * M. japanense ( Kalyuzhnaya et al. 2008, ; New Latin neuter gender adjective japanense, pertaining to Japan.)
 * M. kenyense ( Kalyuzhnaya et al. 2008, ; New Latin neuter gender adjective kenyense, pertaining to Kenya.)
 * M. pelagicum ( (Sieburth et al. 1988) Bowman et al. 1995, ; Latin neuter gender adjective pelagicum, of or belonging to the sea.)

Methylomonas
Methylomonas is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylomonas derives from: New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl group; New Latin pref. methylo-, pertaining to the methyl radical; Latin feminine gender noun monas (μονάς / μονάδα), monad, unit; New Latin feminine gender noun Methylomonas, methyl monad or methyl unit.

Members of the genus Methylomonas can be referred to as methylomonad (viz. Trivialisation of names).

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * M. aurantiaca ( Bowman et al. 1990, ; New Latin feminine gender adjective aurantiaca, orange-colored.)
 * M. fodinarum ( Bowman et al. 1990, ; Latin genitive case pl. noun fodinarum, of mines, of coal mines.)
 * M. methanica ( (ex S&ouml;hngen 1906) Whittenbury and Krieg 1984,, nom. rev. (Type species of the genus).; New Latin noun methanum, methane; Latin feminine gender suff. -ica, suffix used with the sense of pertaining to; New Latin feminine gender adjective methanica, related to or associated with methane.)
 * M. pelagica ( Sieburth et al. 1988, ; Latin feminine gender adjective pelagica, of or belonging to the sea.)
 * M. scandinavica ( Kalyuzhnaya et al. 2000, ; New Latin feminine gender adjective scandinavica, pertaining to Scandinavia (isolated from groundwater of the &Auml;sp&ouml; Hard Rock Laboratory tunnel, southeastern Sweden).)

Methylonatrum
Methylonatrum is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylonatrum derives from: New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl radical; New Latin pref. methylo-, pertaining to the methyl radical; New Latin neuter gender noun natron, arbitrarily derived from the Arabic noun natrun or natron soda; New Latin neuter gender noun Methylonatrum, methyl-group-utilizing, soda (-loving bacterium).

Species
The genus contains a single species, namely M. kenyense ( Sorokin et al. 2007, (Type species of the genus).; New Latin neuter gender adjective kenyense, pertaining to Kenya, where the type strain was isolated.)

Methylophaga
Methylophaga is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylophaga derives from: New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl radical; New Latin pref. methylo-, pertaining to the methyl radical; Greek v. phagein, to eat, to devour; New Latin feminine gender noun Methylophaga, methyl eating.

Species
The genus contains 7 species (including basonyms and synonyms), namely
 * M. alcalica ( Doronina et al. 2003, ; New Latin noun alcali (from Arabic noun al qaliy), soda ash; New Latin feminine gender adjective alcalica, from alkaline media.)
 * M. aminisulfidivorans ( Kim et al. 2007, ; New Latin noun aminum, the amine group; New Latin noun sulfidum, sulfide; Latin v. voro, to devour; New Latin participle adjective aminisulfidivorans, amine-sulfide-devouring, amine-sulfide-utilizing.)
 * M. marina ( Janvier et al. 1985, (Type species of the genus).; Latin feminine gender adjective marina, marine, of the sea.)
 * M. muralis ( corrig. Doronina et al. 2011, ; Latin feminine gender adjective muralis, of or belonging to a wall.)
 * M. sulfidovorans ( de Zwart et al. 1998, ; New Latin noun sulfidum, sulfide; Latin participle adjective vorans, eating, devouring; New Latin participle adjective sulfidovorans, sulfide-devouring.)
 * M. thalassica ( Janvier et al. 1985, ; Greek noun thalassa, the sea; Latin feminine gender suff. -ica, suffix used with the sense of pertaining to; New Latin feminine gender adjective thalassica, pertaining to the sea, of the sea.)
 * M. thiooxydans ( corrig. Boden et al. 2011, ; Greek noun theion (θέω) (Latin transliteration thium) sulfur; Greek adjective oxus (Latin transliteration oxys) sharp, acid; New Latin v. oxydo to make acid, to oxidize; New Latin participle adjective thiooxydans oxidizing sulfur.)

Methylophilus
Methylophilus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylophilus derives from: New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl radical; New Latin pref. methylo-, pertaining to the methyl radical; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender noun Methylophilus, methyl radical loving.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * M. flavus ( Gogleva et al. 2010, ; Latin masculine gender adjective flavus, yellow.)
 * M. leisingeri ( corrig. Doronina and Trotsenko 2001, ; New Latin genitive case masculine gender noun leisingeri, of Leisinger, named after the Swiss microbiologist, Thomas Leisinger, who isolated the organism.)
 * M. luteus ( Gogleva et al. 2010, ; Latin masculine gender adjective luteus, yellow.)
 * M. methylotrophus ( Jenkins et al. 1987, (Type species of the genus).; New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl radical; New Latin pref. methylo-, pertaining to the methyl radical; Greek noun trophos, feeder, rearer, one who feeds; New Latin masculine gender adjective methylotrophus, methyl radical-consuming.)
 * M. rhizosphaerae ( Madhaiyan et al. 2009, ; Greek feminine gender noun rhiza, root; Latin feminine gender noun sphaera -ae, ball, any globe, sphere;, New Latin feminine gender noun rhizosphaera ae, the rhizosphere; New Latin genitive case feminine gender noun rhizosphaerae, of the rhizosphere.)

Methylopila
Methylopila is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylopila derives from: New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl group; New Latin pref. methylo-, pertaining to the methyl radical; Latin feminine gender noun pila, ball or sphere; New Latin feminine gender nounMethylopila, methyl-using sphere.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. capsulata ( Doronina et al. 1998, (Type species of the genus).; Latin noun capsula, a small box or chest; Latin feminine gender suff. -ata, suffix denoting provided with; New Latin feminine gender adjective capsulata, with a chest, capsuled.)
 * M. helvetica ( Doronina et al. 2000, ; Latin feminine gender adjective helvetica, of or belonging to the Helvetians, from Helvetia, an old name of Switzerland.)

Methylorhabdus
Methylorhabdus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylorhabdus derives from: New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl group; New Latin pref. methylo-, pertaining to the methyl radical; G. feminine gender noun rhabdos (ῥάβδος), rod; New Latin feminine gender noun Methylorhabdus, methyl rod.

Species
The genus contains a single species, namely M. multivorans ( Doronina et al. 1996, (Type species of the genus).; Latin adjective multus, much; Latin participle adjective vorans, devouring, eating; New Latin participle adjective multivorans, devouring many compounds.)

Methylosarcina
Methylosarcina is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylosarcina derives from: New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl group; New Latin pref. methylo-, pertaining to the methyl radical; Latin feminine gender noun sarcina, a package, bundle, pack; New Latin feminine gender noun Methylosarcina, methane-utilizing bundle of cells.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * M. fibrata ( Wise et al. 2001, (Type species of the genus).; Latin feminine gender adjective fibrata, fibrous, covered with fibers or fibrils.)
 * M. lacus ( Kalyuzhnaya et al. 2005, ; Latin genitive case noun lacus, of a lake.)
 * M. quisquiliarum ( Wise et al. 2001, ; Latin genitive case pl. noun quisquiliarum, of rubbish, trash, etc., denoting strains that were isolated from a landfill site.)

Methylosinus
Methylosinus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylosinus derives from: New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl radical; New Latin pref. methylo-, pertaining to to the methyl radical; Latin masculine gender noun sinus, a bent surface, curve; New Latin masculine gender noun Methylosinus, methyl bender.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. sporium ( (ex Whittenbury et al. 1970) Bowman et al. 1993,, nom. rev.; Greek feminine gender noun spora (σπορά), seed (in biology, a spore); New Latin neuter gender noun sporium, spore-former.)
 * M. trichosporium ( (ex Whittenbury et al. 1970) Bowman et al. 1993,, nom. rev. (Type species of the genus).; Greek noun thrix trichos, hair; Greek feminine gender noun spora (σπορά), seed (in biology, a spore); New Latin neuter gender noun trichosporium, hair spore-former.)

Methylosoma
Methylosoma is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylosoma derives from: New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl group; New Latin pref. methylo-, pertaining to to the methyl radical; Greek neuter gender noun soma (σῶμα), body; New Latin neuter gender noun Methylosoma, a methyl group (-utilizing) body.

Species
The genus contains a single species, namely M. difficile ( Rahalkar et al. 2007, (Type species of the genus).; Latin neuter gender adjective difficile, difficult, referring to difficulties in cultivating the type strain.)

Methylosphaera
Methylosphaera is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylosphaera derives from: New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl radical; New Latin pref. methylo-, pertaining to to the methyl radical; Latin feminine gender noun sphaera, sphere; New Latin feminine gender noun Methylosphaera, methyl sphere.

Species
The genus contains a single species, namely M. hansonii ( Bowman et al. 1998, (Type species of the genus).; New Latin genitive case masculine gender noun hansonii, of Hanson, named after American microbiologist R.S. Hanson.)

Methylotenera
Methylotenera is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylotenera derives from:
 * New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl group; New Latin pref. methylo-, pertaining to the methyl radical; Latin feminine gender adjective tenera, delicate; New Latin feminine gender noun Methylotenera, delicate methyl-utilizing organism.

Species
The genus contains a single species, namely M. mobilis ( Kalyuzhnaya et al. 2006, (Type species of the genus).;: Latin feminine gender adjective mobilis, motile.)

Methylothermus
Methylothermus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylothermus derives from: New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl group; New Latin pref. methylo-, pertaining to to the methyl radical; Greek adjective thermos (θερμός), hot; New Latin masculine gender noun Methylothermus, methyl-using thermotolerant organism.

Species
The genus contains a single species, namely M. thermalis ( Tsubota et al. 2005, (Type species of the genus).; New Latin masculine gender adjective thermalis, pertaining to a hot spring.)

Methyloversatilis
Methyloversatilis is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methyloversatilis derives from:
 * N. Greek noun methyl (from Greek noun methu, wine and Greek noun hulē, wood), methyl radical; Latin adjective versatilis, versatile; New Latin feminine gender noun Methyloversatilis, versatile methyl (utilizer), reflecting the versatile trophic abilities of the first isolates.

Species
The genus contains a single species, namely M. universalis ( Kalyuzhnaya et al. 2006, (Type species of the genus).;: Latin feminine gender adjective universalis, universal, reflecting the ubiquitous distribution of the first isolates in the environment.)

Methylovirgula
Methylovirgula is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylovirgula derives from: New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl group; New Latin pref. methylo-, pertaining to the methyl radical; Latin feminine gender noun virgula, a little rod; New Latin feminine gender noun Methylovirgula, methyl-using rod-shaped cell.

Species
The genus contains a single species, namely M. ligni ( Vorob&#39;ev et al. 2009, (Type species of the genus).; Latin genitive case noun ligni, of wood, referring to the isolation of known strains from wood material.)

Methylovorus
Methylovorus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylovorus derives from: New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl radical; New Latin pref. methylo-, pertaining to to the methyl radical; Latin v. voro, to eat, devour; New Latin masculine gender noun methylovorus, methyl-devourer.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. glucosotrophus ( Govorukhina and Trotsenko 1991, (Type species of the genus).; New Latin noun glucosum, glucose; Greek adjective trophikos, nursing, tending or feeding; New Latin masculine gender adjective glucosotrophus, feeding on glucose.)
 * M. mays ( Doronina et al. 2001, ; New Latin noun mays (sic), maize, the name of the host plant Zea mays Latin)

Methylovulum
Methylovulum is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Methylovulum derives from: New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), the methyl group; New Latin pref. methylo-, pertaining to the methyl radical; New Latin neuter gender noun ovulum, small egg; New Latin neuter gender noun Methylovulum, small methyl-using egg.

Species
The genus contains a single species, namely M. miyakonense ( Iguchi et al. 2011, (Type species of the genus).; New Latin neuter gender adjective miyakonense, of or belonging to, Miyako, the ancient capital Kyoto.)

Micavibrio
Micavibrio is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Micavibrio derives from: Latin noun mica, a little bit, a grain, a tiny thing; Latin v. vibro, to set in tremulous motion, move to and fro, vibrate; New Latin masculine gender noun vibrio, that which vibrates, and also a bacterial genus name of bacteria possessing a curved rod shape (Vibrio); New Latin masculine gender noun Micavibrio, a tiny vibrio.

Species
The genus contains a single species, namely M. admirandus ( Lambina et al. 1989, (Type species of the genus).; Latin masculine gender admirandus, admirable, wonderful.)

Microaerobacter
Microaerobacter is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Microaerobacter derives from: Greek adjective mikros (μικρός), small, little; Greek noun aer, aeros (ἀήρ, ἀέρος), air; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, a rod; New Latin masculine gender noun Microaerobacter, a rod able to live in the presence of small quantities of O2.

Species
The genus contains a single species, namely M. geothermalis ( Khelifi et al. 2011, (Type species of the genus).; Greek noun gē, earth; Greek noun thermē (θέρμη), heat; Latin masculine gender suff. -alis, suffix used with the sense of pertaining to; New Latin masculine gender adjective geothermalis, geothermal, referring to hot terrestrial spring, the spring where the bacterium was isolated)

Microbacterium
Microbacterium is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Microbacterium derives from: Greek adjective mikros (μικρός), small; Latin neuter gender noun bacterium, a small rod; New Latin neuter gender noun Microbacterium a small rodlet.

Species
The genus contains 72 species (including basonyms and synonyms), namely
 * M. aerolatum ( Zlamala et al. 2002, ; Greek noun aer, air; Latin neuter gender participle adjective latum, carried; New Latin neuter gender participle adjective aerolatum, airborne.)
 * M. agarici ( Young et al. 2010, ; New Latin genitive case noun agarici, of Agaricus, the generic name of the mushroom Agaricus blazei from where the type strain was isolated.)
 * M. aoyamense ( Kageyama et al. 2006, ; New Latin neuter gender adjective aoyamense, of or belonging to Aoyama, Tokyo, Japan, where the type strain was isolated.)
 * M. aquimaris ( Kim et al. 2008, ; Latin noun aqua, water; Latin noun mare -is, sea; New Latin genitive case noun aquimaris, of seawater.)
 * M. arabinogalactanolyticum ( (Yokota et al. 1993) Takeuchi and Hatano 1998, ; New Latin noun arabinogalactanum, arabinogalactan, polysaccharide produced by the bacterium Mycobacterium tuberculosis; New Latin neuter gender adjective lyticum (from Greek neuter gender adjective lutikon), able to loose, able to dissolve; New Latin neuter gender adjective arabinogalactanolyticum, arabinogalactan dissolving.)
 * M. arborescens ( (ex Frankland and Frankland 1889) Imai et al. 1985, nom. rev., ; Latin participle adjective arborescens, becoming a tree.)
 * M. aurantiacum ( Takeuchi and Hatano 1998, ; New Latin noun aurantium, specific name of the orange; Latin neuter gender suff. -acum, adjectival suffix used with the sense of belonging to; New Latin neuter gender adjective aurantiacum, orange-colored.)
 * M. aurum ( Yokota et al. 1993, ; Latin noun aurum (nominative in apposition), gold.)
 * M. awajiense ( Kageyama et al. 2008, ; New Latin neuter gender adjective awajiense, of or pertaining to Awaji Island, Hyogo, Japan, where the type strain was isolated.)
 * M. azadirachtae ( Madhaiyan et al. 2010, ; New Latin noun Azadirachta, a botanical genus name; New Latin genitive case noun azadirachtae, of Azadirachta, isolated from Azadirachta indica.)
 * M. barkeri ( (Collins et al. 1983) Takeuchi and Hatano 1998, ; New Latin genitive case masculine gender noun barkeri, of Barker, named for H.A. Barker, an American biochemist.)
 * M. binotii ( Clermont et al. 2009, ; New Latin genitive case masculine gender noun binotii, of Binot, named in honour of Dr Binot, who created the Collection de l&#39;Institut Pasteur.)
 * M. chocolatum ( Takeuchi and Hatano 1998, ; New Latin neuter gender adjective chocolatum, chocolate-colored, derived from the Mexican chocolatl, chocolate.)
 * M. deminutum ( Kageyama et al. 2006, ; Latin participle neuter gender adjective deminutum, diminutive.)
 * M. dextranolyticum ( Yokota et al. 1993, ; New Latin noun dextranum, dextran, polysaccharide produced by bacteria; New Latin neuter gender adjective lyticum (from Greek neuter gender adjective lutikon), able to loose, able to dissolve; New Latin neuter gender adjective dextranolyticum, dextran dissolving.)
 * M. esteraromaticum ( (Omelianski 1923) Takeuchi and Hatano 1998, ; New Latin noun ester, ester; Latin neuter gender adjective aromaticum, aromatic, fragrant; New Latin neuter gender adjective esteraromaticum, smelling sweet due to esters.)
 * M. flavescens ( (Lochhead 1958) Takeuchi and Hatano 1998, ; Latin v. flavescere, to become golden yellow; Latin participle adjective flavescens, becoming golden yellow.)
 * M. flavum ( Kageyama et al. 2008, ; Latin neuter gender adjective flavum, yellow.)
 * M. fluvii ( Kageyama et al. 2008, ; Latin genitive case noun fluvii, of a river.)
 * M. foliorum ( Behrendt et al. 2001, ; Latin pl. genitive case neuter gender noun foliorum, of the leaves.)
 * M. ginsengisoli ( Park et al. 2008, ; New Latin noun ginsengum, ginseng; Latin noun solum, soil; New Latin genitive case noun ginsengisoli, of soil of a ginseng field, the source of the type strain.)
 * M. ginsengiterrae ( Kim et al. 2010, ; New Latin noun ginsengum, ginseng; Latin noun terra, soil; New Latin genitive case noun ginsengiterrae, of soil of a ginseng field, the source of the type strain.)
 * M. gubbeenense ( Brennan et al. 2001, ; New Latin neuter gender adjective gubbeenense, of or belonging to Gubbeen House, County Cork, Ireland, where the cheese containing the organism is produced.)
 * M. halophilum ( Takeuchi and Hatano 1998, ; Greek noun hals halos, salt; New Latin neuter gender adjective philum (from Greek neuter gender adjective philon (φίλον)), friend, loving; New Latin neuter gender adjective halophilum, salt-loving.)
 * M. halotolerans ( Li et al. 2005, ; Greek noun hals, halos (ἅλς, ἁλός), salt; Latin participle adjective tolerans, tolerating; New Latin participle adjective halotolerans, salt-tolerating, referring to the ability of the organism to tolerate high salt concentrations.)
 * M. hatanonis ( Bakir et al. 2008, ; New Latin genitive case masculine gender noun hatanonis, of Hatano, in honour of Dr Kazunori Hatano, for his contribution to the understanding of the genus Microbacterium.)
 * M. hominis ( Takeuchi and Hatano 1998, ; Latin noun homo -inis, man; Latin genitive case noun hominis, of a man.)
 * M. humi ( Young et al. 2010, ; Latin genitive case noun humi, of earth, soil, of soil, the source of the type strain.)
 * M. hydrocarbonoxydans ( Schippers et al. 2005, ; New Latin noun hydrocarbonum, hydrocarbon; New Latin participle adjective oxydans, oxidizing; New Latin participle adjective hydrocarbonoxydans, oxydizing hydrocarbons.)
 * M. imperiale ( (Steinhaus 1941) Collins et al. 1983, ; Latin neuter gender adjective imperiale, imperial, named after specific epithet of name of insect host (Eacles imperialis Dru).)
 * M. indicum ( Shivaji et al. 2007, ; Latin neuter gender adjective indicum, pertaining to India, Indian.)
 * M. insulae ( Yoon et al. 2009, ; Latin feminine gender genitive case noun insulae, of an island, where the type strain was isolated.)
 * M. invictum ( Vaz-Moreira et al. 2009, ; Latin neuter gender adjective invictum, invincible, powerful, that survives composting, also an ancient and popular designation attributed to Oporto city.)
 * M. keratanolyticum ( (Yokota et al. 1993) Takeuchi and Hatano 1998, ; New Latin noun keratanum, keratan, sulfur-containing polysaccharide produced by mammals; New Latin neuter gender adjective lyticum (from Greek neuter gender adjective lutikon), able to loose, able to dissolve; New Latin neuter gender adjectivekeratanolyticum, keratan dissolving.)
 * M. ketosireducens ( Takeuchi and Hatano 1998, ; New Latin noun ketosum, ketose; Latin participle adjective reducens, leading back, bringing back and, in chemistry, converting to a reduced oxidation state; New Latin participle adjective ketosireducens, ketose-reducing (deoxidizing).)
 * M. kitamiense ( Matsuyama et al. 1999, ; New Latin neuter gender adjective kitamiense, of or belonging to Kitami, a city in Hokkaido, Japan, where the organism was isolated.)
 * M. koreense ( Lee et al. 2006, ; New Latin neuter gender adjective koreense, of or pertaining to Korea, where the type strain was isolated.)
 * M. kribbense ( Dastager et al. 2008, ; New Latin neuter gender adjective kribbense, of or belonging to KRIBB, arbitrary adjective formed from the acronym of the Korea Research Institute of Bioscience and Biotechnology, KRIBB, where the taxonomic studies on the type strain were performed.)
 * M. lacticum ( Orla-Jensen 1919, species. (Type species of the genus).; Latin noun lac lactis, milk; Latin neuter gender suff. -icum, suffix used with the sense of pertaining to; New Latin neuter gender adjective lacticum, pertaining to milk, lactic.)
 * M. lacus ( Kageyama et al. 2008, ; Latin genitive case noun lacus, of a lake.)
 * M. laevaniformans ( (ex Dias and Bhat 1962) Collins et al. 1983, nom. rev., ; New Latin n laevanum, laevan, levan polysaccharide; Latin participle adjective formans, forming; New Latin participle adjective laevaniformans, levan forming.)
 * M. lindanitolerans ( Lal et al. 2010, ; New Latin noun lindanum, lindane; Latin participle adjective tolerans, tolerating; New Latin participle adjective lindanitolerans, lindane-tolerating.)
 * M. liquefaciens ( (Collins et al. 1983) Takeuchi and Hatano 1998, ; Latin participle adjective liquefaciens, dissolving.)
 * M. luteolum ( (Yokota et al. 1993) Takeuchi and Hatano 1998, ; Latin neuter gender adjective luteolum yellowish.)
 * M. luticocti ( Vaz-Moreira et al. 2008, ; Latin neuter gender noun lutum, mud, sludge; Latin participle adjective coctus -a -um, digested; New Latin genitive case noun luticocti, of digested sludge.)
 * M. marinilacus ( Kageyama et al. 2007, ; Latin adjective marinus, marine; Latin noun lacus -us, lake; New Latin genitive case noun marinilacus, of a marine lake.)
 * M. maritypicum ( corrig. (ZoBell and Upham 1944) Takeuchi and Hatano 1998, ; Latin noun mare, the sea; Latin neuter gender adjective typicum, typical; New Latin neuter gender adjective maritypicum, typical of the sea.)
 * M. mitrae ( Kim et al. 2011, ; Latin noun mitra, a headband, coif, turban of the Asiatics, also a zoological genus name (Mitra); Latin genitive case noun mitrae of Mitra sp.)
 * M. natoriense ( Liu et al. 2005, ; New Latin neuter gender adjective natoriense, of or belonging to Natori, Miyagi, Japan, where the type strain was isolated.)
 * M. oleivorans ( Schippers et al. 2005, ; Latin noun oleum, oil; Latin participle adjective vorans, devouring; New Latin participle adjective oleivorans, oil-devouring, capable of utilizing oil (hydrocarbons).)
 * M. oxydans ( (Chatelain and Second 1966) Schumann et al. 1999, ; New Latin v. oxydo (from Greek adjective oxus, sour, acid), to oxidize; New Latin participle adjective oxydans, oxidizing.)
 * M. paludicola ( Park et al. 2006, ; Latin noun palus -udis, swamp; Latin suff. -cola from Latin masculine gender or feminine gender noun incola, inhabitant; New Latin masculine gender or feminine gender noun paludicola, inhabitant of a swamp.)
 * M. paraoxydans ( Laffineur et al. 2003, ; Greek prep. para, beside, alongside of, near, like; New Latin participle adjective oxydans, a bacterial specific epithet; New Latin participle adjective paraoxydans, like (Microbacterium) oxydans, because the organism resembles to Microbacterium oxydans.)
 * M. phyllosphaerae ( Behrendt et al. 2001, ; Greek neuter gender noun phullon, leaf; Latin feminine gender noun sphaera, ball, sphere; New Latin feminine gender noun phyllosphaera, phyllosphere; New Latin genitive case noun phyllosphaerae, of the phyllosphere.)
 * M. profundi ( Wu et al. 2008, ; Latin genitive case noun profundi, of the depths of the sea, of the deep-sea.)
 * M. pseudoresistens ( Young et al. 2010, ; Greek adjective pseudēs, false; Latin part adjective resistens, resisting and also a bacterial specific epithet; New Latin participle adjective pseudoresistens, the false (Microbacterium) resistens.)
 * M. pumilum ( Kageyama et al. 2006, ; Latin neuter gender adjective pumilum, dwarfish, diminutive, little.)
 * M. pygmaeum ( Kageyama et al. 2008, ; Latin neuter gender adjective pygmaeum, dwarf.)
 * M. radiodurans ( Zhang et al. 2010, ; Latin noun radius, a beam or ray; New Latin pref. radio-, pertaining to radiation; Latin participle adjective durans, enduring; New Latin participle adjective radiodurans, resisting radiation.)
 * M. resistens ( (Funke et al. 1998) Behrendt et al. 2001, ; Latin participle adjective resistens, being resistant, referring to the vancomycin resistance which is very unusual for coryneform bacteria.)
 * M. saperdae ( (Lysenko 1959) Takeuchi and Hatano 1998, ; New Latin genitive case noun saperdae, of Saperda (scientific name of a genus of insects), isolated from Saperda caracharias.)
 * M. schleiferi ( (Yokota et al. 1993) Takeuchi and Hatano 1998, ; New Latin genitive case masculine gender noun schleiferi of Schleifer, named after K.H. Schleifer, a German microbiologist who contributed to the elucidation of the primary structure of peptidoglycan and to taxonomic studies of the strains belonging to this species.)
 * M. sediminicola ( Kageyama et al. 2007, ; Latin noun sedimen -inis, sediment; Latin suff. -cola (from Latin noun incola), inhabitant dweller; New Latin noun sediminicola, sediment-dweller.)
 * M. soli ( Srinivasan et al. 2010, ; Latin genitive case noun soli, of soil, the source of the first strains.)
 * M. terrae ( (Yokota et al. 1993) Takeuchi and Hatano 1998, ; Latin noun terra, soil; Latin genitive case noun terrae, of soil.)
 * M. terregens ( (Lochhead and Burton 1953) Takeuchi and Hatano 1998, ; Latin noun terra, soil; Latin participle adjective egens, requiring; New Latin participle adjective terregens, soil-requiring.)
 * M. terricola ( corrig. Kageyama et al. 2007, ; Latin noun terricola, dweller in soil.)
 * M. testaceum ( (Komagata and Iizuka 1964) Takeuchi and Hatano 1998, ; Latin neuter gender adjective testaceum, brick-colored.)
 * M. thalassium ( Takeuchi and Hatano 1998, ; New Latin neuter gender adjective thalassium (from Greek adjective thalassios), pertaining to the sea.)
 * M. trichothecenolyticum ( (Yokota et al. 1993) Takeuchi and Hatano 1998, ; New Latin noun trichothecenum, trichothecene, a mycotoxin produced by the fungus Trichothecium roseum; New Latin neuter gender adjective lyticum (from Greek neuter gender adjective lutikon), able to loose, able to dissolve; New Latin neuter gender adjective trichothecenolyticum, trichothecene decomposing.)
 * M. ulmi ( Rivas et al. 2004, ; Latin genitive case feminine gender noun ulmi, of the elm tree.)
 * M. xylanilyticum ( Kim et al. 2005, ; New Latin noun xylanum, xylan, a plant polymer; New Latin neuter gender adjective lyticum (from Greek neuter gender adjective lutikon), able to loose, able to dissolve; New Latin neuter gender adjective xylanilyticum, xylan-dissolving.)

Microbispora
Microbispora is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Microbispora derives from:

Species
The genus contains 16 species (including basonyms and synonyms), namely
 * M. aerata ( (Gerber and Lechevalier 1964) Cross 1974, species.;)
 * M. amethystogenes ( Nonomura and Ohara 1960, species.;)
 * M. bispora ( (Henssen 1957) Lechevalier 1965, species.;)
 * M. chromogenes ( Nonomura and Ohara 1960, species.;)
 * M. corallina ( Nakajima et al. 1999, ;)
 * M. diastatica ( Nonomura and Ohara 1960, species.;)
 * M. echinospora ( Nonomura and Ohara 1971, species.;)
 * M. indica ( Rao et al. 1987, ;)
 * M. karnatakensis ( Rao et al. 1987, ;)
 * M. mesophila ( (Nonomura and Ohara 1971) Zhang et al. 1998, ;)
 * M. parva ( Nonomura and Ohara 1960, species.;)
 * M. rosea ( Nonomura and Ohara 1957, species. (Type species of the genus).;)
 * M. rosea ( subsp. aerata (Gerber and Lechevalier 1964) Miyadoh et al. 1991, ;)
 * M. rosea ( subsp. rosea Nonomura and Ohara 1957, ;)
 * M. siamensis ( Boondaeng et al. 2009, ; New Latin feminine gender adjective siamensis, pertaining to Siam, the old name of Thailand, the source of the soil from which the type strain was isolated.)
 * M. thermodiastatica ( Nonomura and Ohara 1969, species.;)
 * M. viridis ( Miyadoh et al. 1985, ;)

Microbulbifer
Microbulbifer is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Microbulbifer derives from: Greek adjective mikros (μικρός), small; Latin noun bulbus, onion, bulb; Latin suff. -fer, carrying, bearing; New Latin masculine gender noun Microbulbifer, small bearer of bulbs.

Species
The genus contains 11 species (including basonyms and synonyms), namely
 * M. agarilyticus ( Miyazaki et al. 2008, ; New Latin noun agarum, agar; New Latin adjective lyticus -a -um (from Greek adjective lutikos (λυτικός) -ē -on), able to loose, able to dissolve; New Latin participle adjective agarilyticus, agar-dissolving.)
 * M. celer ( Yoon et al. 2007, ; Latin masculine gender adjective celer, rapid, pertaining to fast growth.)
 * M. donghaiensis ( Wang et al. 2009, ; New Latin masculine gender adjective donghaiensis, pertaining to Donghai, the Chinese name for the East China Sea.)
 * M. elongatus ( (Humm 1946) Yoon et al. 2003, ; Latin masculine gender participle adjective elongatus, elongated, stretched out.)
 * M. epialgicus ( Nishijima et al. 2009, ; Greek prep. epi, upon; New Latin masculine gender adjective algicus, pertaining to water plants, to algae; New Latin masculine gender adjective epialgicus, living on algae.)
 * M. halophilus ( Tang et al. 2008, ; Greek noun hals, halos (ἅλς, ἁλός), salt; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective halophilus, salt-loving.)
 * M. hydrolyticus ( Gonz&aacute;lez et al. 1997, (Type species of the genus).; Greek noun húdōr (ὕδωρ), water; New Latin masculine gender adjective lyticus (from Greek masculine gender adjective lutikos (λυτικός)), able to loose, able to dissolve; New Latin masculine gender adjective hydrolyticus, splitting with water, referring)
 * M. maritimus ( Yoon et al. 2004, ; Latin masculine gender adjective maritimus, of the sea, marine, maritime.)
 * M. salipaludis ( Yoon et al. 2003, ; Latin noun sal salis, salt; Latin genitive case noun paludis, of a swamp; New Latin genitive case noun salipaludis, of a salt marsh.)
 * M. thermotolerans ( Miyazaki et al. 2008, ; Greek noun thermē (θέρμη), heat; Latin participle adjective tolerans, tolerating; New Latin participle adjective thermotolerans, heat-tolerating.)
 * M. variabilis ( Nishijima et al. 2009, ; Latin masculine gender adjective variabilis, changeable, variable, referring to the change of cell shape in the cell cycle.)

Microcella
Microcella is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Microcella derives from: Greek adjective mikros (μικρός), small; Latin feminine gender noun cella, a store-room, chamber and in biology a cell; New Latin feminine gender noun Microcella, a small cell.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. alkaliphila ( Tiago et al. 2006, ; Arabic article al, the; Arabic noun qaliy, ashes of saltwort; New Latin noun alkali, alkali; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin feminine gender adjective alkaliphila, loving alkaline environments.)
 * M. putealis ( Tiago et al. 2005, (Type species of the genus).; Latin feminine gender adjective putealis, of or belonging to a well.)

Micrococcus
Micrococcus is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Micrococcus derives from: Greek adjective mikros, small, little; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος), grain, seed), coccus; New Latin masculine gender noun Micrococcus, small coccus.

Species
The genus contains 14 species (including basonyms and synonyms), namely
 * M. agilis ( Ali-Cohen 1889, species.; Latin masculine gender adjective agilis, agile.)
 * M. antarcticus ( Liu et al. 2000, ; Latin masculine gender adjectiveantarcticus, southern, referring to the Antarctic habitat of the bacterium.)
 * M. endophyticus ( Chen et al. 2009, ; Greek pref. endo-, within; Greek neutr. noun phyton, plant; Latin masculine gender suff. -icus, suffix used with the sense of pertaining to; New Latin masculine gender adjective endophyticus, within plant, pertaining to the original isolation from plant tissues.)
 * M. flavus ( Liu et al. 2007, ;: Latin masculine gender adjective flavus, yellow, pertaining to the yellow colour of the colonies.)
 * M. halobius ( Onishi and Kamekura 1972, species.; Greek noun hals, halos (ἅλς, ἁλός), salt; Greek noun bios (βίος), life; New Latin masculine gender adjective halobius, living on salt.)
 * M. kristinae ( Kloos et al. 1974, species.; New Latin genitive case feminine gender noun kristinae, of Kristin; named for Kristin Holding, from whom this organism was originally isolated.)
 * M. luteus ( (Schroeter 1872) Cohn 1872, species. (Type species of the genus).; Latin masculine gender adjective luteus, golden yellow.)
 * M. lylae ( Kloos et al. 1974, species.; N. Latin genitive case feminine gender noun lylae, of Lyla, named for Lyla Kloos, by whom this organism was originally isolated. )
 * M. nishinomiyaensis ( Oda 1935, species.; New Latin masculine gender adjective nishinomiyaensis, of or belonging to Nishinomiya, a city in Japan.)
 * M. roseus ( Fl&uuml;gge 1886, species.; Latin masculine gender adjective roseus, rose-colored, rosy.)
 * M. sedentarius ( ZoBell and Upham 1944, species.;: Latin masculine gender adjective sedentarius, of or belonging to sitting, sitting, sedentary.)
 * M. terreus ( Zhang et al. 2010, ; Latin masculine gender adjective terreus, of earth.)
 * M. varians ( Migula 1900, species.; Latin participle adjective varians, changing, varying.)
 * M. yunnanensis ( Zhao et al. 2009, ; New Latin masculine gender adjective yunnanensis, of or belonging to Yunnan, a province of south-west China.)

Microcystis
Microcystis is a genus in the phylum Cyanobacteria (Bacteria).

Etymology
The name Microcystis derives from:

Species
The genus contains a single species, namely M. aeruginosa ( Otsuka et al. 2001, ; Latin feminine gender adjective aeruginosa, full of copper rust, verdigris, hence green.)

Microellobosporia
Microellobosporia is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Microellobosporia derives from:

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * M. cinerea ( Cross et al. 1963, species. (Type species of the genus).; Latin feminine gender adjective cinerea, ash-colored.)
 * M. flavea ( Cross et al. 1963, species.;)
 * M. grisea ( (Konev et al. 1967) Pridham 1970, species.;)
 * M. violacea ( (Tsyganov et al. 1964) Pridham 1974, species.;)

Microlunatus
Microlunatus is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Microlunatus derives from: Greek adjective mikros (μικρός), small; Latin masculine gender adjective lunatus, half-moon-shaped, crescent-shaped; New Latin masculine gender noun Microlunatus, small moon-like microorganism.

Species
The genus contains 6 species (including basonyms and synonyms), namely
 * M. aurantiacus ( Wang et al. 2008, ; New Latin masculine gender adjective aurantiacus, orange-coloured, referring to the orange colour of the colonies.)
 * M. ginsengisoli ( Cui et al. 2007, ;: New Latin noun ginsengum, ginseng; Latin noun solum, soil; New Latin genitive case noun ginsengisoli, of soil of a ginseng field, the source of the type strain.)
 * M. panaciterrae ( An et al. 2008, ; New Latin noun Panax -acis, scientific name for ginseng; Latin noun terra, soil; New Latin genitive case noun panaciterrae, of soil of a ginseng field.)
 * M. parietis ( K&auml;mpfer et al. 2010, ; Latin genitive case noun parietis, of the wall of a house.)
 * M. phosphovorus ( Nakamura et al. 1995, (Type species of the genus).; Latin noun phosphorus (from Greek noun ph&#333;sphoros, the light-bringer), the morning-star and, in chemistry, phosphorus; New Latin adjective vorus, devouring; New Latin masculine gender adjective phophovorus, intended to mean phosphorus-accumulating (sic) microorganism.)
 * M. soli ( K&auml;mpfer et al. 2010, ; Latin genitive case noun soli, of soil, the source of the type strain.)

Micromonospora
Micromonospora is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Micromonospora derives from: Greek adjective mikros (μικρός), small; Greek adjective monos, single, solitary; Greek feminine gender noun spora (σπορά), a seed and in biology a spore; New Latin feminine gender noun Micromonospora, small, single-spored (organism).

Species
The genus contains 46 species (including basonyms and synonyms), namely
 * M. aurantiaca ( Sveshnikova et al. 1969, species.; New Latin feminine gender adjective aurantiaca, orange-colored.)
 * M. auratinigra ( corrig. Thawai et al. 2004, ; Latin adjective auratus -a -um, gold-colored; Latin adjective niger -gra -grum, black; New Latin feminine gender adjective auratinigra, gold- and black-colored, referring to the color of colonies (colonies are vivid orange in ISP medium 2, turning to brownish black or black after sporulation).)
 * M. brunnea ( Sveshnikova et al. 1969, species.;)
 * M. carbonacea ( Luedemann and Brodsky 1965, species.; Latin noun carbo -onis, coal, charcoal; Latin suff. -aceus, suffix of various meanings, but signifying in general made of or belonging to; New Latin feminine gender adjective carbonacea, charcoal-like (referring to color of spores).)
 * M. carbonacea ( subsp. aurantiaca Luedemann and Brodsky 1965, subspecies.; New Latin feminine gender adjective aurantiaca, orange-colored.)
 * M. carbonacea ( subsp. carbonacea Luedemann and Brodsky 1965, subspecies.; Latin noun carbo -onis, coal, charcoal; Latin suff. -aceus, suffix of various meanings, but signifying in general made of or belonging; New Latin feminine gender adjective carbonacea, charcoal-like (referring to color of spores).)
 * M. chaiyaphumensis ( Jongrungruangchok et al. 2008, ; New Latin feminine gender adjective chaiyaphumensis, pertaining to Chaiyaphume Province, the source of the soil from which the type strain was isolated.)
 * M. chalcea ( (Foulerton 1905) &Oslash;rskov 1923, species. (Type species of the genus).; Latin feminine gender adjective chalcea, brazen, of brass.)
 * M. chersina ( Tomita et al. 1992, ; Greek adjective khersinos, living in dry land; New Latin feminine gender adjective chersina, referring to the savanna vegetation from which this organism was isolated.)
 * M. chokoriensis ( Ara and Kudo 2007, ; New Latin feminine gender adjective chokoriensis, of or pertaining to Chokoria, Bangladesh, the origin of the soil where the type strain was isolated.)
 * M. citrea ( Kroppenstedt et al. 2005, ; Latin feminine gender adjective citrea, of or pertaining to the citrus-tree.)
 * M. coerulea ( Jensen 1932, species.; Latin feminine gender adjective coerulea, dark blue, dark green.)
 * M. coriariae ( Trujillo et al. 2006, ; New Latin genitive case noun coriariae, of Coriaria, pertaining to the isolation of the type strain from root nodules of Coriaria myrtifolia.)
 * M. coxensis ( Ara and Kudo 2007, ; New Latin feminine gender adjective coxensis, pertaining to Cox&#39;s Bazar, Bangladesh, the origin of the soil where the type strain was isolated.)
 * M. eburnea ( Thawai et al. 2005, ; Latin feminine gender adjective eburnea, of ivory, white as ivory, referring to colour of colonies.)
 * M. echinaurantiaca ( Kroppenstedt et al. 2005, ; Greek noun echinos, hedgehog, sea-urchin; New Latin feminine gender adjective aurantiaca, orange-colored; New Latin feminine gender adjective echinaurantiaca, spiny and orange-colored.)
 * M. echinofusca ( Kroppenstedt et al. 2005, ; Greek noun echinos, hedgehog, sea-urchin; Latin feminine gender adjective fusca, brown-colored; New Latin feminine gender adjective echinofusca, spiny and brown colored.)
 * M. echinospora ( Luedemann and Brodsky 1964, species.; Greek noun echinos, hedgehog, sea-urchin; Greek noun spora (σπορά), seed and in biology a spore; New Latin feminine gender noun echinospora, intended to mean a spiny spore.)
 * M. echinospora ( subsp. echinospora Luedemann and Brodsky 1964, subspecies.; Greek noun echinos, hedgehog, sea-urchin; Greek noun spora (σπορά), seed and in biology a spore; New Latin feminine gender noun echinospora, intended to mean a spiny spore.)
 * M. echinospora ( subsp. ferruginea Luedemann and Brodsky 1964, subspecies.; Latin feminine gender adjective ferruginea, of the color of iron-rust, dark-red.)
 * M. echinospora ( subsp. pallida Luedemann and Brodsky 1964, subspecies.; Latin feminine gender adjective pallida, pale.)
 * M. endolithica ( Hirsch et al. 2004, ; Latin prep. endo, in, within; Greek noun lithos, stone; Latin suff. -icus -a -um, suffix used in adjectives with the sense of belonging to; New Latin feminine gender adjective endolithica, (growing) within stone.)
 * M. fulviviridis ( Kroppenstedt et al. 2005, ; Latin adjective fulvus, tawny, brown; Latin adjective viridis, green; New Latin feminine gender adjective fulviviridis, brown-green.)
 * M. gallica ( (Erikson 1935) Waksman 1961, species.; Latin fem adjective gallica, of or belong to the Gauls.)
 * M. halophytica ( Weinstein et al. 1968, species.; New Latin feminine gender adjective halophytica, halophytic.)
 * M. halophytica ( subsp. halophytica Weinstein et al. 1968, subspecies.; New Latin feminine gender adjective halophytica, halophytic.)
 * M. halophytica ( subsp. nigra Weinstein et al. 1968, subspecies.; Latin feminine gender adjective nigra, black.)
 * M. humi ( Songsumanus et al. 2011, ; Latin genitive case noun humi, of earth, soil, the source from which the type strain was isolated.)
 * M. inositola ( Kawamoto et al. 1974, species.; New Latin feminine gender adjective inositola, intended to mean able to utilize inositol.)
 * M. inyonensis ( Kroppenstedt et al. 2005, ; New Latin feminine gender adjective inyonensis, of or pertaining to Inyo County, California.)
 * M. krabiensis ( Jongrungruangchok et al. 2008, ; New Latin feminine gender adjective krabiensis, pertaining to Krabi Province, the source of soil from which the type strain was isolated.)
 * M. lupini ( Trujillo et al. 2007, ; Latin genitive case noun lupini, of a lupin, referring to the isolation of the first strains from Lupinus angustifolius.)
 * M. marina ( Tanasupawat et al. 2010, ; Latin feminine gender adjective marina, of the sea, marine, pertaining to sea sand, the source from which the type strain was isolated.)
 * M. matsumotoense ( (Asano et al. 1989) Lee et al. 2000, ;)
 * M. mirobrigensis ( Trujillo et al. 2005, ; New Latin feminine gender adjective mirobrigensis, of or pertaining to Mirobriga, the region in Spain where the type strain was isolated.)
 * M. narathiwatensis ( Thawai et al. 2008, ; New Latin feminine gender adjective narathiwatensis, pertaining to Narathiwat, the province where the soil samples were collected.)
 * M. nigra ( (Weinstein et al. 1968) Kasai et al. 2000, ; Latin feminine gender adjective nigra, black.)
 * M. olivasterospora ( Kawamoto et al. 1983, ; Latin noun oliva, an olive; Greek noun aster, a star; Greek noun spora (σπορά), a seed and in biology a spore; New Latin feminine gender noun olivasterospora, an olive-colored spore that looks like a star.)
 * M. pallida ( (Luedemann and Brodsky 1964) Kasai et al. 2000, ; Latin feminine gender adjective pallida, pale.)
 * M. pattaloongensis ( Thawai et al. 2008, ; New Latin feminine gender adjective pattaloongensis, of or pertaining to Pattaloong, where the type strain was isolated.)
 * M. peucetia ( Kroppenstedt et al. 2005, ; Latin feminine gender adjective peucetia, Peucetian, of Peucetia, Latin name of a landscape in Apulia (Puglia) Southern Italy.)
 * M. pisi ( Garcia et al. 2010, ; Latin noun pisum, a species of leguminous plant, pease the pea, and also a scientific genus name (Pisum); Latin genitive case noun pisi, of a pea, of Pisum, isolated from Pisum sativum.)
 * M. purpurea ( Luedemann and Brodsky 1964, species.; Latin feminine gender adjective purpurea, purple-colored, purple, dark-red.)
 * M. purpureochromogenes ( (Waksman and Curtis 1916) Luedemann 1971, species.; Latin adjective purpureus, purple colored; Greek noun chroma, color; Greek v. gennaio, to produce; New Latin participle adjective purpureochromogenes, producing purple color (relating to the color of the diffusible pigment.)
 * M. rhizosphaerae ( Wang et al. 2011, ; Greek noun rhiza, root; Latin noun sphaera, a ball, sphere; New Latin noun rhizosphaera, rhizosphere; New Latin genitive case noun rhizosphaerae, of the rhizosphere, pertaining to the soil from which the type strain was isolated.)
 * M. rhodorangea ( Wagman et al. 1974, species.;)
 * M. rifamycinica ( Huang et al. 2008, ; New Latin noun rifamycinum, rifamycin; Latin suff. -icus -a -um, related to; New Latin feminine gender adjective rifamycinica, referring to the ability to produce rifamycin.)
 * M. rosaria ( (ex Wagman et al. 1972) Horan and Brodsky 1986,, nom. rev.; Latin feminine gender adjective rosaria, of roses, rose-. The epithet refers to the wine red diffusible pigment produced by the strain.)
 * M. saelicesensis ( Trujillo et al. 2007, ; New Latin feminine gender adjective saelicesensis, of or pertaining to Saelices, the place where the plants were collected from which the first strains were isolated.)
 * M. sagamiensis ( Kroppenstedt et al. 2005, ; New Latin feminine gender adjective sagamiensis, of or pertaining to Sagami Bay.)
 * M. siamensis ( Thawai et al. 2006, ; New Latin feminine gender adjective siamensis, of or pertaining to Siam, the old name of the Thailand, the place of the soil from which the type strain was isolated.)
 * M. tulbaghiae ( Kirby and Meyers 2010, ; New Latin genitive case feminine gender noun tulbaghiae, of/from Tulbaghia, the genus name of Tulbaghia violacea, the host of the organism.)
 * M. viridifaciens ( Kroppenstedt et al. 2005, ; Latin adjective viridis, green; Latin participle adjective faciens, making; New Latin participle adjective viridifaciens, green making.)

Micropolyspora
Micropolyspora is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Micropolyspora derives from:

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * M. angiospora ( Zhukova et al. 1968, species.;)
 * M. brevicatena ( Lechevalier et al. 1961, species. (Type species of the genus).; Latin adjective brevis, short; Latin noun catena, chain; New Latin noun brevicatena, short chain (of spores).)
 * M. faeni ( Cross et al. 1968, species.;)
 * M. internatus ( Agre et al. 1974, species.;)
 * M. rectivirgula ( (Krasil&#39;nikov and Agre 1964) Prauser and Momirova 1970, species.; Latin adjective rectus, straight; Latin noun virgula, twig; New Latin noun rectivirgula, straight twig.)

Micropruina
Micropruina is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Micropruina derives from: Greek adjective mikros (μικρός) -ē -on, small, little; Latin feminine gender noun pruina, hoar-frost, rime; New Latin feminine gender noun Micropruina, fine hoar-frost.

Species
The genus contains a single species, namely M. glycogenica ( Shintani et al. 2000, (Type species of the genus).; New Latin noun glycogenum, glycogen; Latin feminine gender suff. -ica, suffix used with the sense of pertaining to; New Latin feminine gender adjective glycogenica, pertaining to glycogen, referring to the ability to accumulate glycogen.)

Microscilla
Microscilla is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Microscilla derives from: Greek adjective mikros (μικρός), small; Latin noun oscillum, a swing; New Latin feminine gender noun Microscilla, intended to mean small swinging organisms.

Species
The genus contains a single species, namely M. marina ( (Pringsheim 1951) Lewin 1969, species. (Type species of the genus).; Latin feminine gender adjective marina, of, or belonging to, the sea, marine.)

Microterricola
Microterricola is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Microterricola derives from: Greek adjective mikros (μικρός), small; Latin feminine gender noun terricola, dweller in soil; New Latin feminine gender noun Microterricola, a small dweller in soil.

Species
The genus contains a single species, namely

Microtetraspora
Microtetraspora is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Microtetraspora derives from:

Species
The genus contains 21 species (including basonyms and synonyms), namely
 * M. africana ( (Preobrazhenskaya and Sveshnikova 1974) Kroppenstedt et al. 1991, ;)
 * M. angiospora ( (Zhukova et al. 1968) Kroppenstedt et al. 1991, ;)
 * M. fastidiosa ( (Soina et al. 1975) Kroppenstedt et al. 1991, ;)
 * M. ferruginea ( (Meyer 1981) Kroppenstedt et al. 1991, ;)
 * M. flexuosa ( (Meyer 1989) Kroppenstedt et al. 1991, ; Latin feminine gender adjective flexuosa, full of turns or windings, tortuous, flexuous, referring to the morphology of the spore chains.)
 * M. fusca ( Thiemann et al. 1968, species.;)
 * M. glauca ( Thiemann et al. 1968, species. (Type species of the genus).;)
 * M. helvata ( (Nonomura and Ohara 1971) Kroppenstedt et al. 1991, ;)
 * M. malaysiensis ( Nakajima et al. 2004, ; New Latin feminine gender adjective malaysiensis, pertaining to Malaysia, the source of the soil from which the type strain was isolated.)
 * M. niveoalba ( Nonomura and Ohara 1971, species.;)
 * M. polychroma ( (Galatenko et al. 1987) Kroppenstedt et al. 1991, ;)
 * M. pusilla ( (Nonomura and Ohara 1971) Kroppenstedt et al. 1991, ;)
 * M. recticatena ( (Terekhova et al. 1987) Kroppenstedt et al. 1991, ;)
 * M. roseola ( (Lavrova and Preobrazhenskaya 1975) Kroppenstedt et al. 1991, ;)
 * M. roseoviolacea ( (Nonomura and Ohara 1971) Kroppenstedt et al. 1991, ;)
 * M. rubra ( (Sveshnikova et al. 1969) Kroppenstedt et al. 1991, ;)
 * M. salmonea ( (Preobrazhenskaya et al. 1975) Kroppenstedt et al. 1991, ;)
 * M. spiralis ( (Meyer 1981) Kroppenstedt et al. 1991, ;)
 * M. turkmeniaca ( (Terekhova et al. 1987) Kroppenstedt et al. 1991, ;)
 * M. tyrrhenii ( Tomita et al. 1992, ;)
 * M. viridis ( Nonomura and Ohara 1971, species.;)

Microvirga
Microvirga is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Microvirga derives from: Greek adjective mikros (μικρός), small; Latin feminine gender noun virga, rod; New Latin feminine gender noun Microvirga, a small rod.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * M. aerilata ( Weon et al. 2010, ; Latin noun aer, air; Latin participle adjective latus -a -um, carried; New Latin feminine gender participle adjective aerilata, airborne.)
 * M. aerophila ( Weon et al. 2010, ; Greek noun aer, air; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin feminine gender adjective aerophila, air-loving.)
 * M. flocculans ( (Takeda et al. 2004) Weon et al. 2010, ; New Latin feminine gender participle adjective flocculans, flocculating.)
 * M. guangxiensis ( Zhang et al. 2009, ; New Latin feminine gender adjective guangxiensis, referring to Guangxi Province, China, the source of the soil from which the species was first isolated.)
 * M. subterranea ( Kanso and Patel 2003, (Type species of the genus).; Latin feminine gender adjective subterranea, underground, subterranean.)

Microvirgula
Microvirgula is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Microvirgula derives from: Greek adjective mikros (μικρός), small; Latin feminine gender noun virgula, a little twig, a small rod, a wand; New Latin feminine gender noun Microvirgula, small twig or rod.

Species
The genus contains a single species, namely M. aerodenitrificans ( Patureau et al. 1998, (Type species of the genus).; Greek noun aer, aeros (ἀήρ, ἀέρος), air; New Latin v. denitrificare, to denitrify; New Latin participle aerodenitrificans, denitrifying with or in air.)

Millisia
Millisia is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Millisia derives from: New Latin feminine gender noun Millisia, named after Nancy F. Millis AC, MBE, a celebrated Australian microbiologist who promoted wastewater microbiology in Australia.

Species
The genus contains a single species, namely M. brevis ( Soddell et al. 2006, (Type species of the genus).; Latin feminine gender adjective brevis, short, denoting the formation of short, branched rods.)

Miniimonas
Miniimonas is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Miniimonas derives from: Latin adjective minius, cinnabar-red, vermilion; Latin feminine gender noun monas (μονάς / μονάδα), nominally meaning "a unit", but in effect meaning a bacterium; New Latin feminine gender noun Miniimonas, vermilion monad, referring to the colour of the cell mass.

Members of the genus Miniimonas can be referred to as miniimonad (viz. Trivialisation of names).

Species
The genus contains a single species, namely M. arenae ( Ue et al. 2011, (Type species of the genus).; Latin genitive case noun arenae, of sand, isolated from sea sand.)

Mitsuaria
Mitsuaria is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Mitsuaria derives from: Latin suff. -arius -a -um, suffix meaning belonging to; New Latin feminine gender noun Mitsuaria, belonging to Matsue City, the source of the soil samples from which the organism was isolated.

Species
The genus contains a single species, namely M. chitosanitabida ( Amakata et al. 2005, (Type species of the genus).; New Latin noun chitosanum, chitosan; Latin adjective tabidus, dissolving, decaying, consuming, putrefying; New Latin feminine gender adjective chitosanitabida, dissolving chitosan, a polysaccharide found in Crustacea, which is a deacetylated derivative of chitin.)

Mitsuokella
Mitsuokella is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Mitsuokella derives from: New Latin feminine gender dim. noun Mitsuokella, named after T. Mitsuoka, the Japanese bacteriologist who first described the organism.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * M. dentalis ( Haapasalo et al. 1986, ; Latin noun dens dentis, a tooth; Latin feminine gender suff. -alis, suffix denoting pertaining to; New Latin feminine gender adjective dentalis, pertaining to teeth.)
 * M. jalaludinii ( Lan et al. 2002, ; New Latin genitive case noun jalaludinii, of Jalaludin, in honor of S. Jalaludin, an animal nutritionist and Vice-Chancelor of University Putra Malaysia, who has contributed significantly to rumen microbiology.)
 * M. multacida ( corrig. (Mitsuoka et al. 1974) Shah and Collins 1983, (Type species of the genus).; Latin adjective multus -a -um, many; Latin adjective acidus -a -um, sour; New Latin feminine gender adjective multacida, producing much acid.)

Mobilicoccus
Mobilicoccus is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Mobilicoccus derives from: Latin adjective mobilis, mobile; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος), grain, seed), coccus; New Latin masculine gender noun Mobilicoccus, a mobile coccus.

Species
The genus contains a single species, namely M. pelagius ( Hamada et al. 2011, (Type species of the genus).; Latin masculine gender adjective pelagius, of the sea marine.)

Mobiluncus
Mobiluncus is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Mobiluncus derives from: Latin adjective mobilis, movable, mobile; Latin masculine gender noun uncus, a hook; New Latin masculine gender noun Mobiluncus, a motile curved rod.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. curtisii ( Spiegel and Roberts 1984, (Type species of the genus).; New Latin genitive case masculine gender noun curtisii, of Curtis, named after A.H. Curtis, who isolated the first strain.)
 * M. curtisii ( subsp. curtisii Spiegel and Roberts 1984, ; New Latin genitive case masculine gender noun curtisii, of Curtis, named after A.H. Curtis, who isolated the first strain.)
 * M. curtisii ( subsp. holmesii Spiegel and Roberts 1984, ; New Latin genitive case masculine gender noun holmesii, of Holmes, named after K.K. Holmes, a researcher of sexually transmitted diseases.)
 * M. mulieris ( Spiegel and Roberts 1984, ; Latin noun mulier -eris, a woman, a female; Latin genitive case noun mulieris, of a woman.)

Modestobacter
Modestobacter is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Modestobacter derives from: Latin adjective modestus, modest, humble; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, a rod or staff; New Latin masculine gender noun Modestobacter a rod with modest growth requirements.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. multiseptatus ( Mevs et al. 2000, (Type species of the genus).; Latin adjective multus, much; Latin adjective septatus, fenced; New Latin masculine gender adjective multiseptatus, much fenced, with many septa.)
 * M. versicolor ( Reddy et al. 2007, ; Latin masculine gender adjective versicolor, that changes its colour, of changeable colour, of various colours.)

Modicisalibacter
Modicisalibacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Modicisalibacter derives from: Latin adjective modicus, moderate, limited; Latin noun sal salis, salt; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, a rod; New Latin masculine gender noun Modicisalibacter, a moderately halophilic rod.

Species
The genus contains a single species, namely M. tunisiensis ( Ben Ali Gam et al. 2007, (Type species of the genus).; New Latin masculine gender adjective tunisiensis, of Tunisia, where the first strains were isolated.)

Moellerella
Moellerella is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Moellerella derives from: New Latin feminine gender dim. noun Moellerella, named to honor Vagn M&oslash;ller for his contributions to enteric bacteriology, especially for Moeller media for the determination of lysine decarboxylase, ornithine decarboxylase, and arginine dihydrolase, that are widely used for the identification of Enterobacteriaceae.

Species
The genus contains a single species, namely M. wisconsensis ( Hickman-Brenner et al. 1984, (Type species of the genus).; New Latin feminine gender adjective wisconsensis, pertaining to the state of Wisconsin, U.S.A., where most of the original strains were isolated.)

Mogibacterium
Mogibacterium is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Mogibacterium derives from: Greek adjective mogis, with toil and pain, i. e. hardly, scarcely; Latin neuter gender noun bacterium, a small rod; New Latin neuter gender noun Mogibacterium, a difficult-to-culture, rod-shaped bacterium.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * M. diversum ( Nakazawa et al. 2002, ; Latin neuter gender participle adjective diversum, diverse, referring to its low level of rRNA gene sequence similarity to the other Mogibacterium species.)
 * M. neglectum ( Nakazawa et al. 2002, ; Latin neuter gender participle adjective neglectum, neglected, referring to the poor growth and tiny colonies that caused this organism to be neglected for a long time.)
 * M. pumilum ( Nakazawa et al. 2000, (Type species of the genus).; Latin neuter gender adjective pumilum, small, little, referring to the tiny colonies formed by this organism.)
 * M. timidum ( (Holdeman et al. 1980) Nakazawa et al. 2000, ; Latin neuter gender adjective timidum, fearful, afraid, timid (referring to the slight or slow growth in clumps).)
 * M. vescum ( Nakazawa et al. 2000, ; Latin neuter gender adjective vescum, feeble, weak, referring to the poor growth of this organism.)

Moorella
Moorella is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Moorella derives from: New Latin feminine gender dim. noun Moorella, in honor of W.E.C. (Ed) Moore, an American bacteriologist, who worked with anaerobes.

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * M. glycerini ( Slobodkin et al. 1997, ; Greek adjective glukeros, sweet; New Latin noun glycerinum, glycerin or glycerol; New Latin genitive case noun glycerini, of glycerol, referring to utilization of glycerol as a substrate.)
 * M. mulderi ( Balk et al. 2005, ; New Latin genitive case noun mulderi, of Mulder, named after Eppe G. Mulder, a Deutch microbiologist and head of the Laboratory of Microbiology at the Wageningen Agricultural University between 1956 and 1981.)
 * M. thermoacetica ( (Fontaine et al. 1942) Collins et al. 1994, (Type species of the genus).; Greek adjective thermos (θερμός), hot; New Latin feminine gender adjective acetica, pertaining to vinegar; New Latin feminine gender adjective thermacetica, producing acetic acid thermophilically.)
 * M. thermoautotrophica ( (Wiegel et al. 1982) Collins et al. 1994, ; Greek adjective thermos (θερμός), hot; Greek pron. autos (αὐτός), self; Greek noun trophos, a feeder; New Latin feminine gender adjective thermautotrophica, self-feeding in heat, indicating that the organism grows at elevated temperatures and uses CO2 as its principal carbon source for growth.)

Moraxella
Moraxella is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Moraxella derives from:
 * New Latin feminine gender dim. noun Moraxella, named after V. Morax, a Swiss ophthalmologist who pioneered the recognition of the type species.

Species
The genus contains 22 species (including basonyms and synonyms), namely
 * M. anatipestifer ( (Hendrickson and Hilbert 1932) Bruner and Fabricant 1954, species.;: Latin noun anas -atis, duck; Latin adjective pestifer, that brings destruction, noxious, pernicious; New Latin noun anatipestifer, one who brings destruction of ducks.)
 * M. atlantae ( B&oslash;vre et al. 1976, species.;: New Latin genitive case noun atlantae, of Atlanta, the American city where strains of the species were first recognized as a distinct group by Elizabeth O. King.)
 * M. boevrei ( Kodjo et al. 1997, ;: Latin genitive case masculine gender noun boevrei, of B&oslash;vre, in honor of Kjell B&oslash;vre.)
 * M. bovis ( (Hauduroy et al. 1937) Murray 1948, species.;: Latin noun bos bovis, an ox, a bull, a cow; Latin genitive case noun bovis, of cattle.)
 * M. bovoculi ( Angelos et al. 2007, ;: Latin noun bos bovis, an ox, a bull, a cow; Latin noun oculus -i, an eye; New Latin genitive case noun bovoculi, of the eye of a cow, from where the type strain was isolated.)
 * M. canis ( Jannes et al. 1993, ;: Latin genitive case noun canis, of a dog.)
 * M. caprae ( Kodjo et al. 1995, ;: Latin genitive case noun caprae, of a goat.)
 * M. catarrhalis ( (Frosch and Kolle1896) Henriksen and B&oslash;vre 1968, species.;: Latin noun catarrhus, a flowing down, the catarrh, rheum; Latin feminine gender suff. -alis, suffix denoting pertaining to; New Latin feminine gender adjective catarrhalis, pertaining to a catarrh.)
 * M. caviae ( (Pelczar 1953) Henriksen and B&oslash;vre 1968, species.;: New Latin noun Cavia, generic name of the guinea pig; New Latin genitive case noun caviae, of Cavia.)
 * M. cuniculi ( (Berger 1962) B&oslash;vre and Hagen 1984, ;: Latin genitive case noun cuniculi, of the rabbit.)
 * M. equi ( Hughes and Pugh 1970, species.;: Latin genitive case noun equi, of the horse.)
 * M. lacunata ( (Eyre 1900) Lwoff 1939, species. (Type species of the genus).;: Latin noun lacuna, pit, hole; New Latin feminine gender adjective lacunata, pitted.)
 * M. lincolnii ( Vandamme et al. 1993, ;: New Latin genitive case masculine gender noun lincolnii, of Lincols, namde after K. Lincoln, a Swedish microbiologist.)
 * M. nonliquefaciens ( (Scarlett 1916) Lwoff 1939, species.;: Latin pref. non, not; Latin participle adjective liquefaciens, making liquid, dissolving; Latin participle adjective nonliquefaciens, not dissolving.)
 * M. oblonga ( Xie and Yokota 2005, ; Latin feminine gender adjective oblonga, rather long, longish, oblong.)
 * M. osloensis ( B&oslash;vre and Henriksen 1967, species.;: New Latin feminine gender adjective osloensis, pertaining to Oslo, Norway, where the species was first recognized.)
 * M. ovis ( (Lindqvist 1960) Henriksen and B&oslash;vre 1968, species.;: Latin genitive case noun ovis, of the sheep.)
 * M. phenylpyruvica ( B&oslash;vre and Henriksen 1967, species.;: New Latin noun acidum phenylpyruvicum, phenylpyruvic acid; New Latin feminine gender adjective phenylpyruvica, pertaining to phenylpyruvic acid, the product of deamination of phenylalanine by this organism.)
 * M. pluranimalium ( Vela et al. 2009, ; Latin comp. adjective plus pluris, more, in greater number; Latin genitive case pl. noun animalium, of animals; New Latin genitive case pl. noun pluranimalium, of/from many animals.)
 * M. porci ( Vela et al. 2010, ; Latin genitive case noun porci, of a pig.)
 * M. saccharolytica ( Flamm 1956, species.;: Greek noun sakch&acirc;r, sugar; New Latin feminine gender adjective lytica (from Greek feminine gender adjective lutikē), able to loose; New Latin feminine gender adjective saccharolytica, saccharolytic, using various sugars.)
 * M. urethralis ( Lautrop et al. 1970, species.;: Latin noun urethra, the excretory canal of the urine, the urethra; Latin feminine gender suff. -alis, suffix denoting pertaining to; New Latin feminine gender adjective urethralis, of or pertaining to the urethra.)

Morganella
Morganella is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Morganella derives from: New Latin feminine gender dim. noun Morganella, named after H. de R. Morgan, who first studied the organism.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * M. morganii ( (Winslow et al. 1919) Fulton 1943, species. (Type species of the genus).; New Latin genitive case noun morganii, of Morgan; named after H. de R. Morgan, a British bacteriologist who first studied the organism.)
 * M. morganii ( subsp. morganii (Winslow et al. 1919) Fulton 1943, ; New Latin genitive case noun morganii, of Morgan; named after H. de R. Morgan, a British bacteriologist who first studied the organism.)
 * M. morganii ( subsp. sibonii Jensen et al. 1992, ; New Latin genitive case noun sibonii, of Siboni, named after Knud Siboni, a Danish microbiologist who first recognized trehalose- fermenting Morganella morganii.)
 * M. psychrotolerans ( Emborg et al. 2006, ; Greek adjective psychros (ψυχρός), cold; Latin participle adjective tolerans, tolerating; New Latin participle adjective psychrotolerans, cold-tolerating.)

Moritella
Moritella is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Moritella derives from: New Latin feminine gender dim. noun Moritella, named after Richard Y. Morita to honor his work in marine microbiology.

Species
The genus contains 7 species (including basonyms and synonyms), namely
 * M. abyssi ( Xu et al. 2003, ; Latin genitive case noun abyssi, of/from the abyss.)
 * M. dasanensis ( Kim et al. 2008, ; New Latin feminine gender adjective dasanensis, pertaining to the Korean Arctic Dasan station where the type strain was isolated.)
 * M. japonica ( Nogi et al. 1999, ; New Latin feminine gender adjective japonica, pertaining to the Japan Trench, where this strain originated.)
 * M. marina ( (Baumann et al. 1984) Urakawa et al. 1999, (Type species of the genus).; Latin feminine gender adjective marina, of or belonging to the sea, marine.)
 * M. profunda ( Xu et al. 2003, ; Latin feminine gender adjective profunda, from the deep.)
 * M. viscosa ( (Lunder et al. 2000) Benediktsd&oacute;ttir et al. 2000, ; Latin feminine gender adjective viscosa, viscous, sticky, because of its thread-forming, adherent colonies.)
 * M. yayanosii ( Nogi and Kato 1999, ; New Latin genitive case masculine gender noun yayanosii, of Yayanos, named in honor of American deep-sea biologist Aristides Yayanos.)

Morococcus
Morococcus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Morococcus derives from: Latin noun morum, mulberry; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος), grain, seed), coccus; New Latin masculine gender noun Morococcus, the mulberry coccus.

Species
The genus contains a single species, namely M. cerebrosus ( Long et al. 1981, (Type species of the genus).; Latin masculine gender adjective cerebrosus, having a madness of the brain, hare-brained, hotbrained, passionate; intended to mean pertaining to the brain, the original source of isolation of this organism.)

Moryella
Moryella is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Moryella derives from:
 * New Latin feminine gender dim. noun Moryella, named in honour of the French microbiologist Francine Mory, who has contributed to our understanding of anaerobes.

Species
The genus contains a single species, namely M. indoligenes ( Carlier et al. 2007, (Type species of the genus).;: New Latin noun indolum, indole; New Latin suff. -genes (from Greek v. gennaō (γεννάω), to produce), producing; New Latin participle adjective indoligenes, indole-producing.)

Mucilaginibacter
Mucilaginibacter is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Mucilaginibacter derives from: Latin noun mucilago -inis, mucus; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Mucilaginibacter, mucus-producing rod.

Species
The genus contains 13 species (including basonyms and synonyms), namely
 * M. daejeonensis ( An et al. 2009, ; New Latin masculine gender adjective daejeonensis, referring to Daejeon, Korea, the geographical origin of the type strain.)
 * M. dorajii ( Kim et al. 2011, ; New Latin genitive case noun dorajii, of doraji, the Korean name for Platycodon grandiflorum, from which the type strain was isolated.)
 * M. frigoritolerans ( M&auml;nnist&ouml; et al. 2010, ; Latin noun frigus frigoris, the cold; Latin participle adjective tolerans, tolerating; New Latin participle adjective frigoritolerans, cold tolerating.)
 * M. gossypii ( Madhaiyan et al. 2010, ; New Latin genitive case noun gossypii, of Gossypium, the generic name of cotton, referring to the isolation of the type strain from the cotton rhizosphere.)
 * M. gossypiicola ( Madhaiyan et al. 2010, ; New Latin noun Gossypium, a scientific botanical genus name; Latin suff. -cola (from Latin noun incola), inhabitant, dweller; New Latin noun gossypiicola, Gossypium-dweller, referring to the isolation of the type strain from the cotton rhizosphere.)
 * M. gracilis ( Pankratov et al. 2007, ; Latin masculine gender adjective gracilis, slender or thin.)
 * M. kameinonensis ( Urai et al. 2008, ; New Latin masculine gender adjective kameinonensis, pertaining to Kameino, the location from which the organism was first isolated.)
 * M. lappiensis ( M&auml;nnist&ouml; et al. 2010, ; New Latin masculine gender adjective lappiensis, pertaining to Lapland (Finn. Lappi).)
 * M. mallensis ( M&auml;nnist&ouml; et al. 2010, ; New Latin masculine gender adjective mallensis, pertaining to Malla Nature Reserve, Finland.)
 * M. oryzae ( Jeon et al. 2009, ; Latin genitive case noun oryzae, of rice, referring to the rice paddy fields where the type strain was isolated.)
 * M. paludis ( Pankratov et al. 2007, (Type species of the genus).; Latin genitive case noun paludis, of a swamp, of a marsh, of a bog.)
 * M. rigui ( Baik et al. 2010, ; Latin genitive case noun rigui, of a well-watered place.)
 * M. ximonensis ( Luo et al. 2009, ; New Latin masculine gender adjective ximonensis, pertaining to Ximo in Tibet in China, where the type strain was isolated.)

Mucispirillum
Mucispirillum is a genus in the phylum Deferribacteres (Bacteria).

Etymology
The name Mucispirillum derives from: Latin noun mucus, mucus; New Latin dim. neuter gender noun spirillum, a small spiral; New Latin neuter gender noun mucispirillum, a small spiral rod of the mucus.

Species
The genus contains a single species, namely M. schaedleri ( Robertson et al. 2005, (Type species of the genus).; New Latin genitive case noun schaedleri, of Schaedler, in honour of Russell Schaedler, one of the pioneers in the study of the bacteria of the intestinal tract of mammals.)

Murdochiella
Murdochiella is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Murdochiella derives from: New Latin feminine gender dim. noun Murdochiella, named to honour Dr David A. Murdoch, British microbiologist, who has contributed so much to our knowledge of anaerobic bacteriology.

Species
The genus contains a single species, namely M. asaccharolytica ( Ulger-Toprak et al. 2010, (Type species of the genus).; Greek prefix a- (ἄ), not; Greek noun sakch&acirc;r, sugar; New Latin feminine gender adjective lytica (from Greek feminine gender adjective lutikē), able to dissolve, able to loose; New Latin feminine gender adjective asaccharolytica, not digesting sugar..)

Muricauda
Muricauda is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Muricauda derives from: Latin masculine gender genitive case noun muris, of the mouse; Latin feminine gender noun cauda, the tail; New Latin feminine gender noun Muricauda, tail of the mouse, referring to the cellular appendages observed on some cells.

Species
The genus contains 6 species (including basonyms and synonyms), namely
 * M. aquimarina ( Yoon et al. 2005, ; Latin noun aqua, water; Latin adjective marinus, of the sea, marine; New Latin feminine gender adjective aquimarina, pertaining to sea water.)
 * M. flavescens ( Yoon et al. 2005, ; Latin v. flavescere, to become golden yellow; Latin participle adjective flavescens, becoming golden yellow.)
 * M. lutaonensis ( Arun et al. 2009, ; New Latin feminine gender adjective lutaonensis, pertaining to Lutao, the geographical origin of the type strain.)
 * M. lutimaris ( Yoon et al. 2008, ; Latin noun lutum, mud; Latin genitive case noun maris, of the sea; New Latin genitive case noun lutimaris, of sea mud.)
 * M. olearia ( Hwang et al. 2009, ; Latin feminine gender adjective olearia, pertaining to oil, referring to its source of isolation.)
 * M. ruestringensis ( Bruns et al. 2001, (Type species of the genus).; New Latin feminine gender adjective ruestringensis, pertaining to to the former village of R&uuml;stringen, which was destroyed by a tidal wave in 1362.)

Muricoccus
Muricoccus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Muricoccus derives from: Latin noun murus, a wall; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος), grain, seed), coccus; New Latin masculine gender noun Muricoccus, coccus from the wall.

Species
The genus contains a single species, namely M. roseus ( K&auml;mpfer et al. 2003, (Type species of the genus).; Latin masculine gender adjective roseus, rose coloured, pink.)

Muriicola
Muriicola is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Muriicola derives from: Latin noun muria (or muries), salt liquor; Latin suff. -cola (from Latin noun incola), dweller, inhabitant; New Latin masculine gender noun Muriicola, dweller in salt water.

Species
The genus contains a single species, namely M. jejuensis ( Kahng et al. 2010, (Type species of the genus).; New Latin masculine gender adjective jejuensis, of Jeju island, Republic of Korea, from where the type strain was isolated.)

Murinocardiopsis
Murinocardiopsis is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Murinocardiopsis derives from: Latin noun murus, wall; New Latin feminine gender noun Nocardiopsis, a bacterial genus name; New Latin feminine gender noun Murinocardiopsis, a Nocardiopsis-like organism isolated from a wall.

Species
The genus contains a single species, namely M. flavida ( K&auml;mpfer et al. 2010, (Type species of the genus).; Latin feminine gender adjective flavida, yellowish.)

Myceligenerans
Myceligenerans is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Myceligenerans derives from: New Latin neuter gender noun mycelium, filamentous cell; Latin participle adjective generans, producing; New Latin neuter gender subst. Myceligenerans, hyphae-forming microbe.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * M. crystallogenes ( Groth et al. 2006, ; Greek noun krustallos, crystal; Greek v. gennao, to produce; New Latin participle adjective crystallogenes, producing crystals of iodin (1,6-phenazine-diol 5,10-dioxide).)
 * M. halotolerans ( Wang et al. 2011, ; Greek noun hals, halos (ἅλς, ἁλός), salt; Latin participle adjective tolerans, tolerating, enduring; New Latin participle adjective halotolerans, salt-tolerating.)
 * M. xiligouense ( Cui et al. 2004, (Type species of the genus).; New Latin neuter gender adjective xiligouense, of or pertaining to Xiligou, a location in China where the type strain was isolated.)

Mycetocola
Mycetocola is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Mycetocola derives from:
 * Greek noun mukēs -etis, a mushroom, fungus; Latin suff. -cola (from Latin masculine gender or feminine gender noun incola), dweller, inhabitant; New Latin masculine gender noun Mycetocola, fungus-dweller.

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * M. lacteus ( Tsukamoto et al. 2001, ;: Latin masculine gender adjective lacteus, milky.)
 * M. reblochoni ( Bora et al. 2008, ; New Latin neuter gender noun reblochonum, Reblochon cheese; New Latin genitive case noun reblochoni, of a Reblochon cheese, to denote that the first strains were isolated from the surface of Reblochon cheese.)
 * M. saprophilus ( Tsukamoto et al. 2001, (Type species of the genus).;: Greek adjective sapros, putrid; New Latin masculine gender adjective philus (from Greek masculine gender adjective φίλος), friend, loving; New Latin masculine gender adjective saprophilus, putrid-loving.)
 * M. tolaasinivorans ( Tsukamoto et al. 2001, ;: New Latin neuter gender noun tolaasinum, tolaasin, type of toxin produced by Pseudomonas tolaasii; Latin participle adjective vorans, devouring; New Latin participle adjective tolaasinivorans, tolaasin-devouring (tolaasin-decomposing).)

Mycobacterium
Mycobacterium is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Mycobacterium derives from: Greek noun mukēs -etis, a mushroom, fungus ; Latin neuter gender noun bacterium, a rod; New Latin neuter gender noun Mycobacterium, a fungus rodlet.'''

Species
The genus contains 149 species (including basonyms and synonyms), namely
 * M. abscessus ( (Moore and Frerichs 1953) Kusunoki and Ezaki 1992, ; Latin genitive case noun abscessus, of an abscess, referring to the ability of the organism to form abscesses.)
 * M. africanum ( Castets et al. 1969, species.; Latin neuter gender adjective africanum, of Africa, African.)
 * M. agri ( (ex Tsukamura 1972) Tsukamura 1981,, nom. rev.; Latin noun ager -gri, a field; Latin genitive case noun agri, of a field.)
 * M. aichiense ( (ex Tsukamura 1973) Tsukamura 1981,, nom. rev.; New Latin neuter gender adjective aichiense, of or belonging to Aichi prefecture, Japan.)
 * M. alvei ( Ausina et al. 1992, ; Latin genitive case noun alvei, of the bed of a river, referring to the place where this species was first isolated.)
 * M. aromaticivorans ( Hennessee et al. 2009, ; Latin adjective aromaticus, aromatic, fragrant; Latin participle adjective vorans, devouring; New Latin participle adjective aromaticivorans, devouring aromatic (compounds).)
 * M. arosiense ( Bang et al. 2008, ; New Latin neuter gender adjective arosiense, pertaining to Arosia, the Latin name of Aarhus, the city in Denmark where the type strain was isolated.)
 * M. arupense ( Cloud et al. 2006, ; New Latin neuter gender adjective arupense, pertaining to the ARUP Institute for Clinical and Experimental Pathology, where the type strain was characterized.)
 * M. asiaticum ( Weiszfeiler et al. 1971, species.; Latin neuter gender adjective asiaticum, Asiatic, of Asia.)
 * M. aubagnense ( Ad&eacute;kambi et al. 2006, ; New Latin neuter gender adjective aubagnense, of or pertaining to Aubagne, the city from where the first patient originated.)
 * M. aurum ( Tsukamura 1966, species.; Latin noun aurum, the gold, the color of gold, intended to mean gold-pigmented.)
 * M. austroafricanum ( Tsukamura et al. 1983, ; Latin adjective australis, southern; Latin adjective africanus -a -um, pertaining to Africa; New Latin neuter gender adjective austroafricanum, of or pertaining to South Africa, the source of the isolates.)
 * M. avium ( Chester 1901, species.; Latin noun avis, a bird; Latin genitive case pl. noun avium, of birds.)
 * M. avium ( subsp. avium Chester 1901, ; Latin noun avis, a bird; Latin genitive case pl. noun avium, of birds.)
 * M. avium ( subsp. paratuberculosis (Bergey et al. 1923) Thorel et al. 1990, ; Greek prep. para, alongside of, resembling; New Latin noun tuberculosis, tuberculosis; New Latin genitive case noun paratuberculosis, of tuberculosis-like, of paratuberculosis.)
 * M. avium ( subsp. silvaticum Thorel et al. 1990, ; Latin neuter gender adjective silvaticum, of or belonging to a wood or to trees.)
 * M. boenickei ( Schinsky et al. 2004, ; New Latin genitive case masculine gender noun boenickei, of B&ouml;nicke, in honour of the contribution of Rudolf B&ouml;nicke, a german mycobacteriologist, who first recognized the heterogeneity within the Mycobacterium fortuitum complex.)
 * M. bohemicum ( Reischl et al. 1998, ; New Latin neuter gender adjective bohemicum, of or belonging to the Czech Republic where the organism was first isolated.)
 * M. bolletii ( Ad&eacute;kambi et al. 2006, ; New Latin genitive case masculine gender noun bolletii, of Bollet, to honour Claude Bollet, a famous clinical microbiologist and taxonomist.)
 * M. botniense ( Torkko et al. 2000, ; New Latin neuter gender adjective botniense, of or belonging to Botnia Occidentalis, the Latin name of the V&auml;sterbotten province (West Bothnia) of Finland, where the organism was isolated.)
 * M. bouchedurhonense ( Ben Salah et al. 2009, ; New Latin neuter gender adjective bouchedurhonense, pertaining to Bouches du Rhōne, the name of the d&eacute;partement around Marseille, France, where the type strain was recovered.)
 * M. bovis ( Karlson and Lessel 1970, species.; Latin noun bos bovis, an ox, bull, cow; Latin genitive case noun bovis, of an ox.)
 * M. bovis ( subsp. bovis Karlson and Lessel 1970, ; Latin noun bos bovis, an ox, bull, cow; Latin genitive case noun bovis, of an ox.)
 * M. bovis ( subsp. caprae (Aranaz et al. 1999) Niemann et al. 2002, ; Latin genitive case noun caprae, of a goat, the host animal from which the bacterium was first isolated.)
 * M. branderi ( Koukila-K&auml;hk&ouml;l&auml; et al. 1995, ; New Latin genitive case masculine gender noun branderi, of Brander, referring to Eljas Brander, the former head of the Tuberculosis Laboratory of the National Public Health Institute, Finland, who collected the strains.)
 * M. brisbanense ( Schinsky et al. 2004, ; New Latin neuter gender adjective brisbanense, of or pertaining to Brisbane, Queensland, Australia, the source of the type strain.)
 * M. brumae ( Luquin et al. 1993, ; Latin genitive case noun brumae, of winter, referring to the time of year at which the first strains were isolated.)
 * M. canariasense ( Jim&eacute;nez et al. 2004, ; Latin neuter gender adjective canariasense, of or belonging to the Canarias (the Spanish name of the Canary Islands), where all strains were isolated.)
 * M. caprae ( (Aranaz et al. 1999) Aranaz et al. 2003, ; Latin genitive case noun caprae, of a goat, the host animal from which the bacterium was first isolated.)
 * M. celatum ( Butler et al. 1993, ; Latin neuter gender participle adjective celatum, hidden from or concealed from, referring to the concealed nature of these organisms among recognized Mycobacterium species.)
 * M. chelonae ( corrig. Bergey et al. 1923, species.; Greek noun khelone, a tortoise; New Latin genitive case noun chelonae, of a tortoise.)
 * M. chelonae ( subsp. abscessus corrig. (Moore and Frerichs 1953) Kubica et al. 1972, subspecies.; Latin genitive case noun abscessus, of an abscess, referring to the ability of the organism to form abscesses.)
 * M. chelonae ( subsp. chelonae corrig. Bergey et al. 1923, subspecies.; Greek noun khelone, a tortoise; New Latin genitive case noun chelonae, of a tortoise.)
 * M. chimaera ( Tortoli et al. 2004, ; Latin feminine gender noun chimaera, the chimaera, the mythological being made up of parts of three different animals, referring to the apparent mix of genetic features characterizing the strains.)
 * M. chitae ( Tsukamura 1967, species.; New Latin genitive case noun chitae, of Chita, a place in Japan.)
 * M. chlorophenolicum ( (Apajalahti et al. 1986) H&auml;ggblom et al. 1994, ; New Latin noun chlorophenol, chlorophenol; Latin neuter gender suffix -icum, suffix used with the sense of pertaining to; New Latin neuter gender adjective chlorophenolicum, related to chlorophenols.)
 * M. chlorophenolicum ( (Apajalahti et al. 1986) Briglia et al. 1994, ; New Latin noun chlorophenol, chlorophenol; Latin neuter gender suffix -icum, suffix used with the sense of pertaining to; New Latin neuter gender adjective chlorophenolicum, related to chlorophenols.)
 * M. chubuense ( (ex Tsukamura 1973) Tsukamura 1981,, nom. rev.; New Latin neuter gender adjective chubuense, of or belonging to Chubu, coming from soil of Chubu hospital.)
 * M. colombiense ( Murcia et al. 2006, ; New Latin neuter gender adjective colombiense, of or belonging to Colombia, the South American country where the strains were first isolated.)
 * M. conceptionense ( Ad&eacute;kambi et al. 2006, ; New Latin neuter gender adjective conceptionense, of or pertaining to Hōpital de la Conception, the hospital where the first strain was isolated.)
 * M. confluentis ( Kirschner et al. 1992, ; Medieval Latin genitive case noun confluentis, of Confluentes, now Koblenz, the source of the strain on which the species description is based.)
 * M. conspicuum ( Springer et al. 1996, ; Latin neuter gender adjective conspicuum, in view, visible, apparent, obvious, referring to the unique profile of this species.)
 * M. cookii ( Kazda et al. 1990, ; New Latin genitive case masculine gender noun cookii, of Cook, named for Bertram Cook, who discovered the natural reservoir of this species.)
 * M. cosmeticum ( Cooksey et al. 2004, ; New Latin neuter gender adjective cosmeticum (from Greek adjective kosmetikos), referring to cosmetics.)
 * M. crocinum ( Hennessee et al. 2009, ; Latin neuter gender adjective crocinum, saffron-coloured, pertaining to the colony pigmentation of known strains.)
 * M. diernhoferi ( (ex B&ouml;nicke and Juhasz 1965) Tsukamura et al. 1983,, nom. rev.; New Latin genitive case masculine gender noun diernhoferi, of Diernhofer, who originally isolated the organisms.)
 * M. doricum ( Tortoli et al. 2001, ; Latin neuter gender adjective doricum, of or belonging to Dorica civitas, the ancient name of the Italian city of Ancona, from where the organism was first isolated.)
 * M. duvalii ( Stanford and Gunthorpe 1971, species.; New Latin genitive case masculine gender noun duvalii, of Duval, named for Professor C.W. Duval who isolated two strains of the organism.)
 * M. elephantis ( Shojaei et al. 2000, ; Latin noun elephas -antis, an elephant; Latin genitive case noun elephantis, of an elephant.)
 * M. fallax ( L&eacute;vy-Fr&eacute;bault et al. 1983, ; Latin neuter gender adjective fallax, deceptive, in the sense that the colonies resemble those of Mycobacterium tuberculosis.)
 * M. farcinogenes ( Chamoiseau 1973, species.; Fr. noun farcin (from Latin noun farciminum, a disease in horses and other animals), farcy or glanders; Greek v. gennaio, produce; New Latin participle adjective farcinogenes, producing farcy.)
 * M. flavescens ( Bojalil et al. 1962, species.; Latin v. flavesco, to become golden yellow; Latin participle adjective flavescens, becoming yellow.)
 * M. florentinum ( Tortoli et al. 2005, ; Latin neuter gender adjective florentinum, of or belonging to Florentia, the Italian city of Florence, from where the majority of the strains were collected and investigated.)
 * M. fluoranthenivorans ( Hormisch et al. 2006, ; New Latin noun fluoranthenum, fluoranthene; Latin participle adjective vorans, devouring; New Latin participle adjective fluoranthenivorans, digesting fluoranthene.)
 * M. fortuitum ( da Costa Cruz 1938, species.; Latin neuter gender adjective fortuitum, casual, accidental, fortuitous.)
 * M. fortuitum ( subsp. acetamidolyticum Tsukamura et al. 1986, ; New Latin noun acetamidum, acetamide; New Latin neuter gender adjective lyticum (from Greek neuter gender adjective lutikon), able to loose, able to dissolve; New Latin neuter gender adjective acetamidolyticum, digesting acetamide.)
 * M. fortuitum ( subsp. fortuitum da Costa Cruz 1938, ; Latin neuter gender adjective fortuitum, casual, accidental, fortuitous.)
 * M. frederiksbergense ( Willumsen et al. 2001, ; New Latin neuter gender adjective frederiksbergense, of or belonging to Frederiksberg, Denmark, referring to the place of isolation.)
 * M. gadium ( Casal and Calero 1974, species.; Latin genitive case pl. noun gadium, of Gades, the modern Cadiz (a town on the Atlantic coast of Spain)'''.)
 * M. gastri ( Wayne 1966, species.; Latin noun gaster -tri, belly, stomach; Latin genitive case noun gastri, of the stomach.)
 * M. genavense ( B&ouml;ttger et al. 1993, ; Latin neuter gender adjective genavense, of or belonging to Geneva, the source of the first isolate.)
 * M. gilvum ( Stanford and Gunthorpe 1971, species.; Latin neuter gender adjective gilvum, pale yellow.)
 * M. goodii ( Brown et al. 1999, ; New Latin genitive case masculine gender noun goodii, of Good, named for Robert Good who made significant contributions to the study of mycobacteria.)
 * M. gordonae ( Bojalil et al. 1962, species.; New Latin genitive case feminine gender noun gordonae, of Gordon, named after the American bacteriologist Ruth E. Gordon.)
 * M. haemophilum ( Sompolinsky et al. 1978, species.; Greek noun haima (Latin transliteration haema), blood; New Latin neuter gender adjective philum (from Greek neuter gender adjective philon (φίλον)), friend, loving; New Latin neuter gender adjective haemophilum, blood loving.)
 * M. hassiacum ( Schr&ouml;der et al. 1997, ; Medieval Latin neuter gender adjective hassiacum, of or belonging to Hassia, the German province of Hesse, where the organism was first isolated.)
 * M. heckeshornense ( Roth et al. 2001, ; New Latin neuter gender adjective heckeshornense, of or belonging to Heckeshorn, a peninsula in Berlin, Germany, the location of the hospital in which the strain was found.)
 * M. heidelbergense ( Haas et al. 1998, ; New Latin neuter gender adjective heidelbergense, of or belonging to Heidelberg, Germany, the source of the strain on which the description of the species is based.)
 * M. hiberniae ( Kazda et al. 1993, ; Latin genitive case noun hiberniae, of Hibernia, the Latin name for Ireland, the source of the strains.)
 * M. hodleri ( Kleespies et al. 1996, ; New Latin genitive case masculine gender noun hodleri, of Hodler, named after Christian Hodler, director of the Ministry of Science and Culture of the State of Lower Saxony, Germany, a strong supporter of natural sciences.)
 * M. holsaticum ( Richter et al. 2002, ; Medieval Latin neuter gender adjective holsaticum, of or belonging to Holsatia, the German region of Holstein, the location of the institute in which the strains were first analyzed.)
 * M. houstonense ( Schinsky et al. 2004, ; New Latin neuter gender adjective houstonense, of or pertaining to Houston, TX, USA, where the first isolate of the Mycobacterium fortuitum third biovariant (sorbitol positive) was identified.)
 * M. immunogenum ( Wilson et al. 2001, ; New Latin neuter gender adjective immunogenum, eliciting an immune response.)
 * M. insubricum ( Tortoli et al. 2009, ; Latin neuter gender adjective insubricum, pertaining to Insubria, the Latin name of part of the Lombardy region of Italy that includes the cities in which four of the first five strains were isolated, including the type strain.)
 * M. interjectum ( Springer et al. 1995, ; Latin v. interjacio, to set, place, or put between; Latin neuter gender participle adjective interjectum, placed between, corresponding to the phylogenetic position between rapid and slow-growing mycobacteria.)
 * M. intermedium ( Meier et al. 1993, ; Latin neuter gender adjective intermedium, intermediate, referring to the phylogenetic position of this organism between the rapidly and slowly growing mycobacteria.)
 * M. intracellulare ( (Cuttino and McCabe 1949) Runyon 1965, species.; Latin prep. intra, within; Latin noun cellula, a small store-room and in biology a cell; Latin neuter gender suff. -are, suffix denoting pertaining to; New Latin neuter gender adjective intracellulare, intracellular.)
 * M. kansasii ( Hauduroy 1955, species.; New Latin genitive case noun kansasii, of Kansas, USA.)
 * M. komossense ( Kazda and Muller 1979, species.; New Latin neuter gender adjective komossense, of or belonging to Komosse sphagnum bog in south Sweden.)
 * M. kubicae ( Floyd et al. 2000, ; New Latin genitive case masculine gender noun kubicae, of Kubica, to honor the contributions of George P. Kubica, an exceptional American mycobacteriologist, mentor, and teacher.)
 * M. kumamotonense ( Masaki et al. 2007, ;: New Latin neuter gender adjective kumamotonense, of or pertaining to Kumamoto Prefecture in Japan, where the type strain was isolated.)
 * M. kyorinense ( Okazaki et al. 2009, ; New Latin neuter gender adjective kyorinense, pertaining to Kyorin, referring to the Kyorin University Hospital where the first strain was isolated.)
 * M. lacus ( Turenne et al. 2002, ; Latin genitive case noun lacus, of a lake, where the organism was acquired.)
 * M. lentiflavum ( Springer et al. 1996, ; Latin adjective lentus -a -um, slow; Latin adjective flavus -a -um, yellow; New Latin neuter gender adjective lentiflavum, slow and yellow, two characteristic features of this species.)
 * M. leprae ( (Hansen 1880) Lehmann and Neumann 1896, species.; Latin noun lepra, leprosy; Latin genitive case noun leprae, of leprosy.)
 * M. lepraemurium ( Marchoux and Sorel 1912, species.; Latin genitive case noun leprae, of leprosy; Latin genitive case pl. noun murium, of mice; New Latin genitive case pl. noun lepraemurium, of leprosy of mice.)
 * M. llatzerense ( Gomila et al. 2008, ; New Latin neuter gender adjective llatzerense, pertaining to Hospital Son Ll&agrave;tzer, the hospital where the strains were isolated.)
 * M. madagascariense ( Kazda et al. 1992, ; New Latin neuter gender adjective madagascariense, of or belonging to the island of Madagascar, the source of the strains.)
 * M. mageritense ( Domenech et al. 1997, ; New Latin neuter gender adjective mageritense, of or pertaining to Magerit, old (first) Arabic name of Madrid, the source of most of the isolates.)
 * M. malmoense ( Schroder and Juhlin 1977, species.; New Latin neuter gender adjective malmoense, of or belonging to Malm&ouml;, Sweden, the source of the strains on which the original description is based.)
 * M. mantenii ( van Ingen et al. 2009, ; New Latin genitive case masculine gender noun mantenii, of Manten, in honour of Dr A. Manten, microbiologist, who published the first cases of NTM disease in the Netherlands in 1957, as well as landmark reviews on the clinical relevance of NTM in the Netherlands.)
 * M. marinum ( Aronson 1926, species.; Latin neuter gender adjective marinum, of the sea, marine.)
 * M. marseillense ( Ben Salah et al. 2009, ; New Latin neuter gender adjective marseillense, pertaining to Marseille, where the first strains were isolated.)
 * M. massiliense ( Ad&eacute;kambi et al. 2006, ; Latin neuter gender adjective massiliense, pertaining to Massilia, the Latin name of Marseille, where the organism was isolated.)
 * M. microti ( Reed 1957, species.; New Latin masculine gender noun Microtus, a genus that includes the vole; New Latin genitive case noun microti, of Microtus.)
 * M. monacense ( Reischl et al. 2006, ;: Medieval Latin neuter gender adjective monacense, of or belonging to Monacum, the Latin name of the German city Munich where the first strain was isolated.)
 * M. montefiorense ( Levi et al. 2003, ;: New Latin neuter gender adjective montefiorense, of or pertaining to Montefiore, referring to the Montefiore Medical Center.)
 * M. moriokaense ( Tsukamura et al. 1986, ; New Latin neuter gender adjective moriokaense, of or belonging to Morioka, the locality where the species was first isolated.)
 * M. mucogenicum ( Springer et al. 1995, ; Latin noun mucus, mucus, Greek v. gennaio, to produce; Latin neuter gender suff. -icum, suffix used with the sense of pertaining to; New Latin neuter gender adjective mucogenicum, intended to mean producing mucus, referring to the highly mucoid character of most strains on solid agar.)
 * M. murale ( Vuorio et al. 1999, ; Latin neuter gender adjective murale, of or belonging to a wall.)
 * M. nebraskense ( Mohamed et al. 2004, ; New Latin neuter gender adjective nebraskense, of or belonging to the state of Nebraska, USA.)
 * M. neoaurum ( Tsukamura 1972, species.; Greek adjective neos, new; Latin noun aurum, gold; New Latin noun neoaurum, a new gold, intended to mean a new gold-pigmented organism.)
 * M. neworleansense ( Schinsky et al. 2004, ; New Latin neuter gender adjective neworleansense, of or pertaining to New Orleans, LA, USA, the source of the type strain.)
 * M. nonchromogenicum ( Tsukamura 1965, species.; Latin adv. non, not; Greek noun chroma, color; Greek v. gennaio, to produce; Latin neuter gender suff. -icum, suffix used with the sense of pertaining to; New Latin neuter gender adjective nonchromogenicum, intended to mean not producing color.)
 * M. noviomagense ( van Ingen et al. 2009, ; New Latin neuter gender adjective noviomagense, pertaining to Noviomagus, the Roman name of the major city in the endemic region in the Netherlands and the location of the reference hospital; current name: Nijmegen.)
 * M. novocastrense ( Shojaei et al. 1997, ; Latin adjective novus, new; Latin noun castrum, castle; New Latin neuter gender adjective novocastrense, of or pertaining to Newcastle, a city in the northeast of England.)
 * M. obuense ( (ex Tsukamura and Mizuno 1971) Tsukamura and Mizuno 1981,, nom. rev.; New Latin neuter gender adjective obuense, of or belonging to Obu, Japan.)
 * M. pallens ( Hennessee et al. 2009, ; Latin neuter gender adjective pallens, pale yellow, pertaining to the colony pigmentation of the type strain.)
 * M. palustre ( Torkko et al. 2002, ; Latin neuter gender adjective palustre, living in swamps, referring to the isolation of the organisms from peat land run-off water.)
 * M. paraffinicum ( (ex Davis et al. 1956) Toney et al. 2010,, nom. rev.; New Latin noun paraffinum, paraffin; Latin neuter gender suff. -icum, suffix used with the sense of pertaining to; New Latin neuter gender adjective paraffinicum, pertaining to paraffin.)
 * M. parafortuitum ( Tsukamura et al. 1965, species.; Greek prep. para, alongside of or near; Latin neuter gender adjective fortuitum, casual, accidental, and also a specific epithet; New Latin neuter gender adjective parafortuitum, alongside of (Mycobacterium) fortuitum.)
 * M. parascrofulaceum ( Turenne et al. 2004, ; Greek prep. para, like, beside; New Latin neuter gender adjective scrofulaceum, specific epither of a bacterial species; New Latin neuter gender adjective parascrofulaceum, beside Mycobacterium parascrofulaceum (referring to the phenotypic resemblance of the isolate to Mycobacterium scrofulaceum).)
 * M. paraseoulense ( Lee et al. 2010, ; Greek prep. para, beside, alongside of, near, like; New Latin neuter gender adjective seoulense, specific epithet of a bacterial species; New Latin neuter gender adjective paraseoulense, like seoulense, referring to the genotypic resemblance of the type strain to Mycobacterium seoulense.)
 * M. paratuberculosis ( Bergey et al. 1923, species.; Greek prep. para, alongside of, resembling; New Latin noun tuberculosis, tuberculosis; New Latin genitive case noun paratuberculosis, of tuberculosis-like, of paratuberculosis.)
 * M. parmense ( Fanti et al. 2004, ; Latin neuter gender adjective parmense, of or belonging to Parma, the Italian city of Parma, where the strain was isolated..)
 * M. peregrinum ( (ex Bojalil et al. 1962) Kusunoki and Ezaki 1992,, nom. rev.; Latin neuter gender adjective peregrinum, strange, foreign.)
 * M. phlei ( Lehmann and Neumann 1899, species.; New Latin neuter gender noun Phleum, a genus of grass, timothy; New Latin genitive case noun phlei, of Phleum, of timothy.)
 * M. phocaicum ( Ad&eacute;kambi et al. 2006, ; Latin neuter gender adjective phocaicum, Phoc&oelig;an, referred to Phocaea, a maritime town of Ionia, a colony of the Athenians, whose inhabitants fled, to escape from Persian domination, and founded Massilia (Marseille), which was the source of the type strain.)
 * M. pinnipedii ( Cousins et al. 2003, ; New Latin genitive case noun pinnipedii, of a pinniped, referring to the host animal from which the organism was first isolated.)
 * M. porcinum ( Tsukamura et al. 1983, ; Latin neuter gender adjective porcinum, pertaining to swine.)
 * M. poriferae ( Padgitt and Moshier 1987, ; New Latin genitive case poriferae of the Porifera, the phylum of sponges.)
 * M. pseudoshottsii ( Rhodes et al. 2005, ; Greek adjective  pseudēs, false; New Latin genitive case noun shottsii, name of a species; New Latin genitive case noun pseudoshottsii, a false Mycobacterium shottsii, not the true Mycobacterium shottsii.)
 * M. psychrotolerans ( Trujillo et al. 2004, ; Greek adjective psychros (ψυχρός), cold; Latin participle adjective tolerans, tolerating; New Latin participle adjective psychrotolerans, cold-tolerating.)
 * M. pulveris ( Tsukamura et al. 1983, ; Latin noun pulvis -eris, dust, powder; Latin genitive case noun pulveris, of dust, referring to the source, house dust.)
 * M. pyrenivorans ( Derz et al. 2004, ; New Latin noun pyrenum, pyrene; Latin participle adjective vorans, devouring, destroying; New Latin participle adjective pyrenivorans, destroying pyrene.)
 * M. rhodesiae ( (ex Tsukamura et al. 1971) Tsukamura 1981,, nom. rev.; New Latin genitive case noun rhodesiae, of/from Rhodesia.)
 * M. riyadhense ( van Ingen et al. 2009, ; New Latin neuter gender adjective riyadhense, pertaining to Riyadh, capital of the Kingdom of Saudi Arabia and origin of the patient from whom the type strain was isolated.)
 * M. rufum ( Hennessee et al. 2009, ; Latin neuter gender adjective rufum, ruddy or red, pertaining to the colony pigmentation of the type strain.)
 * M. rutilum ( Hennessee et al. 2009, ; Latin neuter gender adjective rutilum, rust-coloured, pertaining to the colony pigmentation of known strains.)
 * M. salmoniphilum ( (ex Ross 1960) Whipps et al. 2007,, nom. rev.; Latin noun salmo -onis, a salmon; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin neuter gender adjective salmoniphilum, salmon-loving.)
 * M. saskatchewanense ( Turenne et al. 2004, ; New Latin neuter gender adjective saskatchewanense, of or pertaining to Saskatchewan.)
 * M. scrofulaceum ( Prissick and Masson 1956, species.; Latin pl. noun scrofulae, a swelling of the glands of the neck, scrofula; Latin neuter gender suff. -aceum, suffix used with various meanings; New Latin neuter gender adjective scrofulaceum, of or pertaining to scrofula.)
 * M. senegalense ( (Chamoiseau 1973) Chamoiseau 1979, species.; New Latin neuter gender adjective senegalense, of or belonging to the West African Republic of Senegal.)
 * M. senuense ( Mun et al. 2008, ; New Latin neuter gender adjective senuense, arbitrary name formed from the initial letters of Seoul National University, the organization that carried out the taxonomic investigation of the type strain.)
 * M. seoulense ( Mun et al. 2007, ;: New Latin neuter gender adjective seoulense, of or pertaining to Seoul, Republic of Korea, the geographical origin of the type strain.)
 * M. septicum ( Schinsky et al. 2000, ; Latin neuter gender adjective septicum, producing a putrefaction, putrefying, septic, referring to the isolation of the organism from blood.)
 * M. setense ( Lamy et al. 2008, ; New Latin neuter gender adjective setense, pertaining to S&egrave;te (France), the city from which the infected patient originated.)
 * M. shimoidei ( (ex Tsukamura et al. 1975) Tsukamura 1982,, nom. rev.; New Latin genitive case masculine gender noun shimoidei, of Shimoide, named for H. Shimoide, a Japanese microbiologist who first isolated a strain of this species.)
 * M. shottsii ( Rhodes et al. 2003, ; New Latin genitive case masculine gender noun shottsii, of Shotts, named after Emmett Shotts, an American fish bacteriologist.)
 * M. simiae ( Karassova et al. 1965, species.; Latin noun simia, an ape; Latin genitive case simiae, of an ape.)
 * M. smegmatis ( (Trevisan 1889) Lehmann and Neumann 1899, species.; Latin noun smegma -atis, an unguent (for making the skin smooth), a detergent, a cleansing medicine, and in biology the sebaceous humor; Latin genitive case noun smegmatis, of smegma.)
 * M. sphagni ( Kazda 1980, ; New Latin noun Sphagnum, generic name of the moss of sphagnum bogs, the habitat of these strains ; New Latin genitive case noun sphagni, of Sphagnum.)
 * M. stomatepiae ( Pourahmad et al. 2008, ; New Latin genitive case noun stomatepiae, of Stomatepia, isolated from Stomatepia mariae, the scientific name of the striped barombi mbo cichlid.)
 * M. szulgai ( Marks et al. 1972, species.; New Latin genitive case masculine gender noun szulgai, of Szulga, named after T. Szulga, a Polish microbiologist.)
 * M. terrae ( Wayne 1966, species.; Latin noun terra, the earth. Latin genitive case noun terrae, of the earth.)
 * M. thermoresistibile ( Tsukamura 1966, species.; Greek noun thermē (θέρμη), heat; Latin verb. resisto, to stand back, remain standing, endure; Latin neuter gender suff. - ile, suffix denoting an active quality, able to; New Latin neuter gender adjective thermoresistibile, able to resist to high temperature.)
 * M. timonense ( Ben Salah et al. 2009, ; New Latin neuter gender adjective timonense, pertaining to La Timone, the name of a hospital in Marseille, France, where the first strains were isolated.)
 * M. tokaiense ( (ex Tsukamura 1973) Tsukamura 1981,, nom. rev.; New Latin neuter gender adjective tokaiense, of or belonging to Tokai district of Japan.)
 * M. triplex ( Floyd et al. 1997, ; Latin neuter gender adjective triplex, threefold, triple, referring to something consisting of three parts, specifically, the triple-cluster HPLC pattern shown by these isolates.)
 * M. triviale ( Kubica 1970, species.; Latin neuter gender adjective triviale, common, commonplace, vulgar, ordinary, of little importance.)
 * M. tuberculosis ( (Zopf 1883) Lehmann and Neumann 1896, species. (Type species of the genus).; Latin dim. noun tuberculum, a small swelling, tubercle; Greek suff. -osis, suffix expressing state or condition, in medical terminology denoting a state of disease; New Latin genitive case noun tuberculosis, of tuberculosis.)
 * M. tuberculosis ( subsp. caprae Aranaz et al. 1999, ; Latin genitive case noun caprae, of a goat, the host animal from which the bacterium was first isolated.)
 * M. tuberculosis ( subsp. tuberculosis (Zopf 1883) Lehmann and Neumann 1896, ; Latin dim. noun tuberculum, a small swelling, tubercle; Greek suff. -osis, suffix expressing state or condition, in medical terminology denoting a state of disease; New Latin genitive case noun tuberculosis, of tuberculosis.)
 * M. tusciae ( Tortoli et al. 1999, ; Latin genitive case noun tusciae, of Tuscia (the country of the Tuscans), now Tuscany, the Italian region where all the organisms were isolated.)
 * M. ulcerans ( MacCallum et al. 1950, species.; Latin participle adjective ulcerans, making sore, causing to ulcerate.)
 * M. vaccae ( B&ouml;nicke and Juhasz 1964, species.; Latin noun vacca, a cow; Latin genitive case noun vaccae, of a cow.)
 * M. vanbaalenii ( Khan et al. 2002, ; New Latin genitive case masculine gender noun vanbaalenii, of Van Baalen, in memory of Chase Van Baalen, late Professor at The University of Texas Marine Science Institute, Port Aransas Marine Laboratory, Port Aransas, Texas, USA.)
 * M. vulneris ( van Ingen et al. 2009, ; Latin noun vulnus -eris, wound; Latin genitive case noun vulneris, of a wound, from which the type strain was isolated.)
 * M. wolinskyi ( Brown et al. 1999, ; New Latin masculine gender genitive case noun wolinskyi, of Wolinsky, named for Emanuel Wolinsky for his significant contributions to the study of non-tuberculous mycobacteria.)
 * M. xenopi ( Schwabacher 1959, species.; New Latin noun Xenopus, a genus of toad; New Latin genitive case noun xenopi, of Xenopus.)

Mycoplana
Mycoplana is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Mycoplana derives from: Greek mukēs, mushroom or other funguss; Greek noun planos, a wandering; New Latin feminine gender noun Mycoplana, fungus wanderer.

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * M. bullata ( Gray and Thornton 1928, species.; Latin feminine gender adjective bullata, wearing a bulla, with a knob.)
 * M. dimorpha ( Gray and Thornton 1928, species. (Type species of the genus).; Greek feminine gender adjective dimorpha, two-formed.)
 * M. ramosa ( Urakami et al. 1990, ; Latin feminine gender adjective ramosa, full of boughs, having many branches, branching, branchy.)
 * M. segnis ( Urakami et al. 1990, ; Latin feminine gender adjective segnis, tslow, inactive, lazy.)

Mycoplasma
Mycoplasma is a genus in the phylum Tenericutes (Bacteria).

Etymology
The name Mycoplasma derives from: Greek noun mukēs, mushroom or other fungus; Greek neuter gender noun plasma, anything formed or moulded, image, figure; New Latin neuter gender noun Mycoplasma, fungus form.

Species
The genus contains 123 species (including basonyms and synonyms), namely
 * M. adleri ( Del Giudice et al. 1995, ; New Latin masculine gender genitive case noun adleri, of Adler, referring to Henry Adler, a Californian veterinarian whose studies contributed much new information concerning the pathogenic role of caprine and avian mycoplasmas.)
 * M. agalactiae ( (Wroblewski 1931) Freundt 1955, species.; New Latin. noun agalactia (from Greek noun agalaktia), want of milk, agalactia; New Latin genitive case noun agalactiae, of agalactia.)
 * M. agassizii ( Brown et al. 2001, ; New Latin masculine gender genitive case noun agassizii, of Agassiz, referring to Louis Agassiz, a naturalist whose name was assigned to a species of desert tortoise (Gopherus agassizii) from which the organism was isolated.)
 * M. alkalescens ( Leach 1973, species.; New Latin v. alkalesco, to make alkaline, referring to the reaction produced in arginine-containing media; New Latin participle adjective alkalescens, alkaline-making.)
 * M. alligatoris ( Brown et al. 2001, ; New Latin noun alligator -oris, an alligator; New Latin genitive case noun alligatoris, of/from an alligator.)
 * M. alvi ( Gourlay et al. 1977, species.; Latin noun alvus, bowel, womb, stomach, the digestive organs; Latin genitive case noun alvi, of the bowel.)
 * M. amphoriforme ( Pitcher et al. 2005, ; Latin noun amphora, amphora; Latin adjective suff. -formis -e (from Latin noun forma, figure, shape, appearance), -like, in the shape of; New Latin neuter gender adjective amphoriforme, amphora-shaped, having the form of an amphora.)
 * M. anatis ( Roberts 1964, species.; Latin noun anas -atis, a duck; Latin genitive case noun anatis, of a duck.)
 * M. anseris ( Bradbury et al. 1988, ; Latin noun anser -eris, the goose; Latin genitive case noun anseris, of the goose.)
 * M. arginini ( Barile et al. 1968, species.; New Latin noun argininum, arginine (an amino acid); New Latin genitive case noun arginini, of arginine, referring to its hydrolysis.)
 * M. arthritidis ( (Sabin 1941) Freundt 1955, species.; Greek noun arthritis -idos, gout, arthritis; New Latin genitive case noun arthritidis, of arthritis.)
 * M. auris ( DaMassa et al. 1994, ; Latin noun auris -is, the ear; Latin genitive case noun auris, of the ear, referring to the provenance of the organism, the ears of goats.)
 * M. bovigenitalium ( Freundt 1955, species.; Latin noun bos bovis, the ox, bull, cow; Latin pl. noun genitalia, the genitals; New Latin genitive case pl. noun bovigenitalium, of bovine genitalia.)
 * M. bovirhinis ( Leach 1967, species.; Latin noun bos bovis, the ox; Greek noun rhis rhinos, nose; New Latin genitive case noun bovirhinis, of the nose of the ox.)
 * M. bovis ( (Hale et al. 1962) Askaa and Erno 1976, species.; Latin noun bos bovis, the ox; Latin genitive case noun bovis, of the ox.)
 * M. bovoculi ( Langford and Leach 1973, species.; Latin noun bos bovis, ox, bull, cow; Latin noun oculus -i, the eye; New Latin genitive case noun bovoculi, of the bovine eye.)
 * M. buccale ( Freundt et al. 1974, species.; Latin noun bucca, the mouth; Latin neuter gender suff. -ale, suffix denoting pertaining to; New Latin neuter gender adjective buccale, buccal, pertaining to the mouth.)
 * M. buteonis ( Poveda et al. 1994, ; Latin noun buteo -onis, a buzzard; Latin genitive case noun buteonis, of a buzzard.)
 * M. californicum ( Jasper et al. 1981, ; New Latin neuter gender adjective californicum, of or pertaining to California.)
 * M. canadense ( Langford et al. 1976, species.; New Latin neuter gender adjective canadense, of or pertaining to Canada.)
 * M. canis ( Edward 1955, species.; Latin noun canis -is, a dog; Latin genitive case noun canis, of a dog.)
 * M. capricolum ( Tully et al. 1974, species.; Latin noun caper -pri, the male goat; New Latin suff. -colus -a -um (from Latin v. incolere, to dwell or abide in a place, to inhabit), dwelling; New Latin neuter gender adjective capricolum, dwelling in a male goat.)
 * M. capricolum ( subsp. capricolum Tully et al. 1974, ; Latin noun caper -pri, the male goat; New Latin suff. -colus -a -um (from Latin v. incolere, to dwell or abide in a place, to inhabit), dwelling; New Latin neuter gender adjective capricolum, dwelling in a male goat.)
 * M. capricolum ( subsp. capripneumoniae Leach et al. 1993, ; Latin noun capra -ae, a goat; Greek noun pneumonia, disease of the lungs, pneumonia; New Latin genitive case noun capripneumoniae, of a pneumonia of a goat.)
 * M. caviae ( Hill 1971, species.; New Latin noun cavia, guinea pig (Cavia cobaya); New Latin genitive case noun caviae, of a guinea pig.)
 * M. cavipharyngis ( Hill 1989, ; New Latin noun cavia, the guinea pig (Cavia cobaya); New Latin noun pharynx -yngis (from Greek noun pharugx pharuggos, throat), throat; New Latin genitive case noun cavipharyngis, of the throat of a guinea pig.)
 * M. citelli ( Rose et al. 1978, species.; New Latin noun Citellus, a genus of ground squirrel; New Latin genitive case noun citelli, of Citellus, of a ground squirrel.)
 * M. cloacale ( Bradbury and Forrest 1984, ; Latin neuter gender adjective cloacale, pertaining to a cloaca.)
 * M. coccoides ( (Schilling 1928) Neimark et al. 2005, (illegitimate new combination).; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος), grain, seed), coccus; Latin suff. -oides (from Greek suff. eides, from Greek noun eidos, that which is seen, form, shape, figure), ressembling, similar; New Latin neuter gender adjective coccoides, coccus-shaped.)
 * M. collis ( Hill 1983, ; Latin noun collis -is, high ground, a hill; Latin genitive case noun collis, of a hill, alluding to the author who described the species (A.C. Hill).)
 * M. columbinasale ( Jordan et al. 1982, ; Latin noun columbus, a pigeon; Latin noun nasus, nose; Latin neuter gender suff. -ale, suffix used with the sense of pertaining to; New Latin neuter gender adjective nasale, pertaining to the nose; New Latin neuter gender adjective columbinasale, pertaining to the nose of a pigeon.)
 * M. columbinum ( Shimizu et al. 1978, species.; Latin neuter gender adjective columbinum, of or pertaining to a pigeon.)
 * M. columborale ( Shimizu et al. 1978, species.; Latin noun columba or columbus, pigeon; Latin noun os oris, the mouth; Latin neuter gender suff. -ale, suffix used with the sense of pertaining to; New Latin neuter gender adjective orale, of or pertaining to the mouth; New Latin neuter gender adjective columborale, of or pertaining to the pigeon mouth.)
 * M. conjunctivae ( Barile et al. 1972, species.; New Latin noun conjunctiva (from Latin adjective conjunctivus -a -um, serving to connect, connective), the membrane joining the eyeball to the lids; New Latin genitive case noun conjunctivae, of conjunctiva.)
 * M. corogypsi ( Panangala et al. 1993, ; Greek noun korax -acos, a raven, crow; Greek noun gups gupos, a vulture; New Latin genitive case noun corogypsi (sic), of a raven vulture.)
 * M. cottewii ( DaMassa et al. 1994, ; New Latin masculine gender genitive case noun cottewii, of Cottew, named for G.S. Cottew, an Australian veterinarian who was a co-isolator of the organism.)
 * M. cricetuli ( Hill 1983, ; New Latin noun Cricetulus, generic name of the Chinese hamster (Cricetulus griseus); New Latin genitive case noun cricetuli, of Cricetulus, of a Chinese hamster.)
 * M. crocodyli ( Kirchhoff et al. 1997, ; New Latin noun Crocodylus (from Latin noun crocodilus, crocodile), generic name of the crocodile; New Latin genitive case noun crocodyli, of Crocodylus, of a crocodile.)
 * M. cynos ( Rosendal 1973, species.; Greek noun kuon kunos (Latin transliteration cyon cynos), a dog; New Latin genitive case noun cynos, of a dog.)
 * M. dispar ( Gourlay and Leach 1970, species.; Latin neuter gender adjective dispar, dissimilar, different.)
 * M. edwardii ( Tully et al. 1970, species.; New Latin masculine gender genitive case noun edwardii, of Edward, named after D.G. Edward, who first isolated this organism.)
 * M. elephantis ( Kirchhoff et al. 1996, ; Latin noun elephas -antis, elephant; Latin genitive case noun elephantis, of the elephant.)
 * M. ellychniae ( Tully et al. 1989, ; New Latin noun Ellychnia, a genus of firefly beetles; New Latin genitive case noun ellychniae, of Ellychnia, from which the organism was first isolated.)
 * M. equigenitalium ( Kirchhoff 1978, species.; Latin noun equus equi, the horse; Latin pl. noun genitalia, the genitals; New Latin genitive case pl. noun equigenitalium, of equine genitalia.)
 * M. equirhinis ( Allam and Lemcke 1975, species.; Latin noun equus -i, a horse; Greek noun rhis rhinos, nose; New Latin genitive case noun equirhinis, of the nose of a horse.)
 * M. falconis ( Poveda et al. 1994, ; Latin noun falco -onis, a falcon; Latin genitive case noun falconis, of a falcon, the host from which the organism was first isolated.)
 * M. fastidiosum ( Lemcke and Poland 1980, ; Latin neuter gender adjective fastidiosum, fastidious, referring to the nutritionally fastidious nature of the organism on primary isolation.)
 * M. faucium ( Freundt et al. 1974, species.; Latin pl. noun fauces -ium, the throat; Latin genitive case pl. noun faucium, of the throat.)
 * M. felifaucium ( Hill 1988, ; Latin noun feles -is, a cat; Latin pl. noun fauces -ium, the throat; New Latin genitive case pl. noun felifaucium, of the throat of a cat.)
 * M. feliminutum ( Heyward et al. 1969, species.; Latin noun feles -is, a cat; Latin neuter gender participle adjective minutum, little, small; New Latin neuter gender adjective feliminutum, a small colony organism isolated from cats.)
 * M. felis ( Cole et al. 1967, species.; Latin noun feles -is, a cat; Latin genitive case noun felis, of a cat.)
 * M. fermentans ( Edward 1955, species.; Latin participle adjective fermentans, fermenting.)
 * M. flocculare ( Meyling and Friss 1972, species.; Latin dim. noun flocculus, a small flock or tuft of wool; Latin neuter gender suff. -are, suffix denoting pertaining to; New Latin neuter gender adjective flocculare, resembling a small floc of wool, referring to the tendency of the organism to form clumps of flocculent material in broth culture.)
 * M. gallinaceum ( Jordan et al. 1982, ; Latin neuter gender adjective gallinaceum, of or pertaining to a domestic fowl or poultry.)
 * M. gallinarum ( Freundt 1955, species.; Latin noun gallina, a hen; Latin genitive case pl. noun gallinarum, of hens.)
 * M. gallisepticum ( Edward and Kanarek 1960, species.; Latin noun gallus, rooster, chicken; Latin adjective septicus -a -um, producing a putrefaction, putrefying, septic; New Latin neuter gender adjective gallisepticum, hen-putrefying (infecting).)
 * M. gallopavonis ( Jordan et al. 1982, ; New Latin noun gallopavo -onis, a turkey (Meleagris gallopavo); New Latin genitive case noun gallopavonis, of a turkey.)
 * M. gateae ( Cole et al. 1967, species.; The etymology is not given in the paper by Cole et al. 1967. It seems to be the following: New Latin genitive case noun gateae (probably from Spanish gato, a cat), of a cat.)
 * M. genitalium ( Tully et al. 1983, ; Latin pl. noun genitalia -ium, the genitals; Latin genitive case pl. noun genitalium, of the genitals.)
 * M. glycophilum ( Forrest and Bradbury 1984, ; Greek adjective glukus, sweet (this adjective was used to coin the noun glucose); New Latin neuter gender adjective philum (from Greek neuter gender adjective philon (φίλον)), friend, loving; New Latin neuter gender adjective glycophilum, sweet-loving, intended to mean glucose-loving.)
 * M. gypis ( Poveda et al. 1994, ; Greek noun gups gupos, vulture; New Latin genitive case noun gypis, of the vulture, the host from which the organism was first isolated.)
 * M. haemocanis ( Messick et al. 2002, ; Greek noun haima (Latin transliteration haema ), blood; Latin noun canis -is, the dog; New Latin genitive case noun haemocanis, of dog blood.)
 * M. haemofelis ( Neimark et al. 2002, ; Greek noun haima (Latin transliteration haema ), blood; Latin noun feles -is, the cat; New Latin genitive case noun haemofelis, of cat blood.)
 * M. haemomuris ( Neimark et al. 2002, ; Greek noun haima (Latin transliteration haema ), blood; Latin noun mus muris, the mouse; New Latin genitive case noun haemomuris, of mouse blood.)
 * M. haemosuis ( Neimark et al. 2002, [Illegitimate name! See Mycoplasma suis corrig. (Splitter 1950) Neimark et al. 2002, ].; Greek noun haima (Latin transliteration haema ), blood; Latin noun sus suis, the pig; New Latin genitive case noun haemosuis, of pig blood.)
 * M. hominis ( (Freundt 1953) Edward 1955, species.; Latin noun homo -inis, man; Latin genitive case noun hominis, of man.)
 * M. hyopharyngis ( Erickson et al. 1986, ; Greek noun hus huos, a swine; New Latin noun pharynx -yngis (from Greek noun pharugx pharuggos, throat), throat; New Latin genitive case noun hyopharyngis, of a hog&rsquo;s throat.)
 * M. hyopneumoniae ( Mar&eacute; and Switzer 1965, species.; Greek noun hus huos, a swine; Greek noun pneumonia, disease of the lungs, pneumonia; New Latin genitive case noun hyopneumoniae, of swine pneumonia.)
 * M. hyorhinis ( Switzer 1955, species.; Greek noun hus huos, a swine; Greek noun rhis rhinos, nose; New Latin genitive case noun hyorhinis, of a hog&rsquo;s nose.)
 * M. hyosynoviae ( Ross and Karmon 1970, species.; Greek noun hus huos, a swine; New Latin noun synovia, fluid in the joints; New Latin genitive case noun hyosynoviae, of joint fluid of swine.)
 * M. iguanae ( Brown et al. 2006, ; New Latin genitive case noun iguanae, of the iguana lizard.)
 * M. imitans ( Bradbury et al. 1993, ; Latin participle adjective imitans, imitating, mimicking, referring to the organism&rsquo;s phenotypic resemblance to Mycoplasma gallisepticum.)
 * M. indiense ( Hill 1993, ; New Latin neuter gender adjective indiense, of or pertaining to India (source of the infected primates).)
 * M. iners ( Edward and Kanarek 1960, species.; Latin neuter gender adjective iners, inactive, inert.)
 * M. iowae ( Jordan et al. 1982, ; New Latin genitive case noun iowae, of Iowa.)
 * M. lactucae ( Rose et al. 1990, ; Latin noun lactuca, lettuce; Latin genitive case noun lactucae, of lettuce, referring to the plant from which the organism was first isolated.)
 * M. lagogenitalium ( Kobayashi et al. 1997, ; Greek noun lagos, hare; Latin genitive case pl. noun genitalium, of the genitals; New Latin genitive case pl. noun lagogenitalium, of hare&rsquo;s genitals.)
 * M. leachii ( Manso-Silv&aacute;n et al. 2009, ; New Latin masculine gender genitive case noun leachii, of Leach, named in honour of Dr R. H. Leach, who first characterized this taxon.)
 * M. leonicaptivi ( corrig. Hill 1992, ; Latin noun leo -onis, a lion; Latin adjective captivus -a -um, taken prisoner, captive; New Latin genitive case noun leonicaptivi, of the captive lion.)
 * M. leopharyngis ( Hill 1992, ; Latin noun leo -onis, a lion; New Latin noun pharynx -yngis (from Greek noun pharugx pharuggos, throat), throat; New Latin genitive case noun leopharyngis (sic), of throat of a lion.)
 * M. lipofaciens ( Bradbury et al. 1983, ; Greek noun lipos, animal fat, lard, tallow; Latin participle adjective faciens, making; New Latin participle adjective lipofaciens, fat-making, intended to refer to the production of a lipid film on solid media.)
 * M. lipophilum ( Del Giudice et al. 1974, species.; Greek noun lipos, animal fat, lard, tallow; New Latin neuter gender adjective philum (from Greek neuter gender adjective philon (φίλον)), friend, loving; New Latin neuter gender adjective lipophilum, fat-loving.)
 * M. lucivorax ( Williamson et al. 1990, ; Latin noun lux lucis, light; Latin adjective vorax, ravenous, voracious, devouring; New Latin neuter gender adjective lucivorax, light devouring, referring to the predacious habit of the host insect, which preys on other luminescent firefly species.)
 * M. luminosum ( Williamson et al. 1990, ; Latin neuter gender adjective luminosum, luminous, emitting light, referring to the luminescence of the adult host from which the organism was isolated.)
 * M. maculosum ( Edward 1955, species.; Latin neuter gender adjective maculosum, full of spots, spotted, alluding to a crinkled film covering the colonies and spreading between them, and spots appearing in the medium beneath and around the colonies.)
 * M. melaleucae ( Tully et al. 1990, ; New Latin noun Melaleuca, a genus of tropical trees having white flowers with sweet fragrance; New Latin genitive case noun melaleucae, of Melaleuca, the plant from which the type strain was isolated.)
 * M. meleagridis ( Yamamoto et al. 1965, species.; Latin noun meleagris -idis, a kind of fowls, a turkey; Latin genitive case noun meleagridis, of a turkey.)
 * M. microti ( Brown et al. 2001, ; New Latin noun Microtus, a genus of field vole; New Latin genitive case noun microti, of Microtus.)
 * M. moatsii ( Madden et al. 1974, species.; New Latin genitive case masculine gender noun moatsii, of Moats, named after K.E. Moats, whose primary interest has been in the mycoplasmas of nonhuman primates.)
 * M. mobile ( Kirchhoff et al. 1987, ; Latin neuter gender adjective mobile, motile.)
 * M. molare ( Rosendal 1974, species.; Latin neuter gender adjective molare, of or belonging to a mill, here millstone-like; referring to the heavy film reaction, which resembles the pattern on the surface of a millstone.)
 * M. mucosicanis ( Spergser et al. 2011, ; New Latin noun mucosa, mucous membrane; Latin noun canis -is, a dog; New Latin genitive case noun mucosicanis, of mucous membranes of a dog.)
 * M. muris ( McGarrity et al. 1983, ; Latin noun mus muris, mouse; Latin genitive case noun muris, of a mouse.)
 * M. mustelae ( Salih et al. 1983, ; New Latin noun Mustela (from Latin noun mustela, a weasel), the generic name of the mink (Mustela vison); New Latin genitive case noun mustelae, of Mustela, of a vison.)
 * M. mycoides ( (Borrel et al. 1910) Freundt 1955, species. (Type species of the genus).; Greek noun mukēs -ētos, mushroom or other fungus; Latin suff. -oides (from Greek suff. -eides, from Greek noun eidos, that which is seen, form, shape, figure), ressembling, similar; New Latin neuter gender adjective mycoides, fungus-like.)
 * M. mycoides ( subsp. capri (Edward 1953) Freundt 1955, subspecies.; Latin noun caper -pri, goat; Latin genitive case noun capri, of the goat.)
 * M. mycoides ( subsp. mycoides (Borrel et al. 1910) Freundt 1955, subspecies.; Greek noun mukēs -ētos, mushroom or other fungus; Latin suff. -oides (from Greek suff. -eides, from Greek noun eidos, that which is seen, form, shape, figure), ressembling, similar; New Latin neuter gender adjective mycoides, fungus-like.)
 * M. neurolyticum ( (Sabin 1941) Freundt 1955, species.; Greek noun neuron, nerve; New Latin adjective lyticus -a -um (from Greek adjective lutikos (λυτικός) -ē -on), able to loose, able to dissolve; New Latin neuter gender adjective neurolyticum, nerve-destroying.)
 * M. opalescens ( Rosendal 1975, species.; Latin noun opalus, precious stone, opal; New Latin neuter gender adjective opalescens, opalescent, referring to the opalescent film produced on solid medium.)
 * M. orale ( Taylor-Robinson et al. 1964, species.; Latin noun os oris, the mouth; Latin neuter gender suff. -ale, suffix denoting pertaining to; New Latin neuter gender adjective orale, pertaining to the mouth.)
 * M. ovipneumoniae ( Carmichael et al. 1972, species.; Latin noun ovis, a sheep; Greek noun pneumonia, disease of the lungs, pneumonia ; New Latin genitive case noun ovipneumoniae, of sheep pneumonia.)
 * M. ovis ( (Neitz et al. 1934) Neimark et al. 2004, ; Latin feminine gender noun ovis -is, a sheep; Latin genitive case noun ovis, of a sheep.)
 * M. oxoniensis ( Hill 1991, ; New Latin adjective oxoniensis (sic), pertaining to Oxon, an abbreviation of Oxfordshire, where the mycoplasma was first isolated.)
 * M. penetrans ( Lo et al. 1992, ; Latin participle adjective penetrans, entering, penetrating, referring to the ability of the organism to penetrate into mammalian cells.)
 * M. phocae ( corrig. [original name Mycoplasma phocidae (sic)] Ruhnke and Madoff 1992, ; Latin genitive case noun phocae, of a seal.)
 * M. phocicerebrale ( corrig. Giebel et al. 1991, ; Latin noun phoca, seal; Latin noun cerebrum, brain; Latin neuter gender suff. -ale, suffix denoting pertaining to; New Latin neuter gender adjective cerebrale, of or pertaining to the brain; New Latin neuter gender adjective phocicerebrale, pertaining to the brain of a seal.)
 * M. phocidae ( Ruhnke and Madoff 1992, ; Latin noun phoca, seal; New Latin genitive case noun phocidae (sic), of a seal.)
 * M. phocirhinis ( corrig. Giebel et al. 1991, ; Latin noun phoca, seal; Greek noun rhis rhinos, nose; New Latin genitive case noun phocirhinis, of the nose of a seal.)
 * M. pirum ( Del Giudice et al. 1985, ; Latin noun pirum (nominative in apposition), pear, referring to the pear-shaped morphology of the cells.)
 * M. pneumoniae ( Somerson et al. 1963, species.; Greek noun pneumonia, disease of lungs, pneumonia; New Latin genitive case noun pneumoniae, of pneumonia.)
 * M. primatum ( Del Giudice et al. 1971, species.; Latin noun primas -atis, one of the first or principal, chief (from which primates, the highest order of mammals originates); Latin genitive case pl. noun primatum, of chiefs, of primates.)
 * M. pullorum ( Jordan et al. 1982, ; Latin noun pullus, a young animal, especially chicken; Latin genitive case pl. noun pullorum, of young chickens.)
 * M. pulmonis ( (Sabin 1941) Freundt 1955, species.; Latin noun pulmo -onis, the lung; Latin genitive case noun pulmonis, of the lung.)
 * M. putrefaciens ( Tully et al. 1974, species.; Latin v. putrefacio, to make rotten, to cause to putrefy; Latin participle adjective putrefaciens, making rotten or putrefying, connoting the production of a putrid odor in broth and agar cultures.)
 * M. salivarium ( Edward 1955, species.; Latin neuter gender adjective salivarium, slimy, saliva-like, intended to mean of or pertaining to saliva.)
 * M. simbae ( Hill 1992, ; Swahili noun simba, lion; New Latin genitive case noun simbae, of a lion.)
 * M. somnilux ( Williamson et al. 1990, ; Latin noun somnus, sleep; Latin noun lux, light; New Latin noun somnilux, intended to mean sleeping light, referring to the quiescent pupal stage of the host from which the organism was isolated, which precedes the luminescent adult stage.)
 * M. spermatophilum ( Hill 1991, ; Greek noun sperma -atos, seed, semen, sperm; New Latin neuter gender adjective philum (from Greek neuter gender adjective philon (φίλον)), friend, loving; New Latin neuter gender adjective spermatophilum, sperm loving.)
 * M. spumans ( Edward 1955, species.; Latin participle adjective spumans, foaming, presumably alluding to thick dark markings that suggest the presence of globules inside the coarsely reticulated colonies.)
 * M. sturni ( Forsyth et al. 1996, ; New Latin noun Sturnus (from Latin noun sturnus, a starling or stare), a genus of birds, New Latin genitive case noun sturni, of the genus Sturnus, the genus of the bird from which the organism was isolated.)
 * M. sualvi ( Gourlay et al. 1978, species.; Latin noun sus suis, swine; Latin noun alvus, bowel, womb, stomach, the digestive organs; New Latin genitive case noun sualvi, of the bowel of swine.)
 * M. sualvi ( Gourlay et al. 1983, ; Latin noun sus suis, swine; Latin noun alvus, bowel, womb, stomach, the digestive organs; New Latin genitive case noun sualvi, of the bowel of swine.)
 * M. subdolum ( Lemcke and Kirchhoff 1979, species.; Latin neuter gender adjective subdolum, somewhat deceptive, alludes to the deceptive color change that led to the original erroneous description of the strains as urea-hydrolyzing.)
 * M. suis ( corrig. (Splitter 1950) Neimark et al. 2002, ; Latin noun sus suis, a pig; Latin genitive case noun suis, of a pig.)
 * M. synoviae ( Olson et al. 1964, species.; New Latin noun synovia, the joint fluid; New Latin genitive case noun synoviae, of joint fluid.)
 * M. testudineum ( Brown et al. 2004, ; Latin neuter gender adjective testudineum, of or pertaining to a tortoise.)
 * M. testudinis ( Hill 1985, ; Latin noun testudo -inis, tortoise; Latin genitive case noun testudinis, of a tortoise.)
 * M. verecundum ( Gourlay et al. 1974, species.; Latin neuter gender adjective verecundum, shy, unobtrusive, free from extravagance, alluding to the lack of obvious biochemical characteristics of the species.)
 * M. wenyonii ( (Adler and Ellenbogen 1934) Neimark et al. 2002, ; New Latin masculine gender genitive case noun wenyonii, of Wenyon, named after C.M. Wenyon, an investigator of these organisms.)
 * M. yeatsii ( DaMassa et al. 1994, ; New Latin masculine gender genitive case noun yeatsii, of Yeats, named after F.R. Yeats, an Australian veterinarian who was a co-isolator of the organism.)

Myroides
Myroides is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Myroides derives from: Greek noun muron, perfume; Latin suff. -oides (from Greek suff. -eides, from Greek noun eidos, that which is seen, form, shape, figure), ressembling, similar; New Latin masculine gender noun Myroides, resembling perfume.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * M. marinus ( Cho et al. 2011, ; Latin masculine gender adjective marinus, of the sea, marine.)
 * M. odoratimimus ( Vancanneyt et al. 1996, ; Latin participle masculine gender adjective odoratus, a specific epithet; Latin noun mimus, a mime, an imitator; New Latin noun odoratimimus, imitator of (Myroides) odoratus.)
 * M. odoratus ( (Stutzer 1929) Vancanneyt et al. 1996, (Type species of the genus).; Latin participle masculine gender adjective odoratus, perfumed.)
 * M. pelagicus ( Yoon et al. 2006, ; Latin masculine gender adjective pelagicus, of or belonging to the sea.)
 * M. profundi ( Zhang et al. 2009, ; Latin genitive case noun profundi, of the depths of the sea, of the deep sea.)

Myxococcus
Myxococcus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Myxococcus derives from: Greek noun muxa, mucus, slime; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος), grain, seed), coccus; New Latin masculine gender noun Myxococcus, slime coccus.

Species
The genus contains 8 species (including basonyms and synonyms), namely
 * M. coralloides ( Thaxter 1892, species.; Greek noun korallon, coral; Latin suff. -oides [from Greek suff. -eides (from Greek noun eidos, that which is seen, form, shape, figure)], ressembling, similar; New Latin masculine gender adjective coralloides, coral-shaped.)
 * M. disciformis ( Thaxter 1904, species.; Greek noun diskos, anything quoit-shaped, a disk; Latin adjective suffix -formis -is -e (from Latin noun forma, figure, shape, appearance), -like, in the shape of; New Latin masculine gender adjective disciformis, disk-shaped.)
 * M. flavescens ( Yamanaka et al. 1990, ; Latin participle adjective flavescens (from Latin v. flavesco), becoming golden yellow, turning light yellow.)
 * M. fulvus ( (Cohn 1875) Jahn 1911, species. (Type species of the genus).; Latin masculine gender adjective fulvus, deep yellow, reddish yellow, gold-colored, tawny.)
 * M. macrosporus ( (Krzemieniewska and Krzemieniewski 1926) Zahler and McCurdy 1974, species.; Greek adjective macros (μάκρος), long, large; Greek noun spora (σπορά), a seed and in biology a spore; New Latin masculine gender adjective macrosporus, with large spore.)
 * M. stipitatus ( Thaxter 1897, species.; Latin masculine gender noun stipes -itis, trunk, branch of a tree, stalk; Latin masculine gender suff. -atus, suffix denoting provided with; New Latin masculine gender adjective stipitatus, stalked.)
 * M. virescens ( Thaxter 1892, species.; Latin participle adjective virescens, becoming green.)
 * M. xanthus ( Beebe 1941, species.; New Latin masculine gender adjective xanthus (from Greek masculine gender adjective xanthos), yellow.)

Nakamurella
Nakamurella is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Nakamurella derives from: New Latin feminine gender dim. noun Nakamurella, to honour the Japanese microbiologist Professor Kazunori Nakamura.

Species
The genus contains a single species, namely N. multipartita ( (Yoshimi et al. 1996) Tao et al. 2004, (Type species of the genus).; Latin adjective multus, much, great, many; Latin feminine gender participle adjective partita (from Latin v. partio partire, to divide, part, distribute) divided, parted, distributed; New Latin feminine gender participle adjective multipartita, micro-organisms having many divisions inside the cell.)

Nannocystis
Nannocystis is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Nannocystis derives from: Greek adjective nannos, dwarf; Greek feminine gender noun kustis, bladder; New Latin feminine gender noun Nannocystis, tiny bag.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * N. exedens ( Reichenbach 1970, species. (Type species of the genus).; Latin v. exedere, to go out, go forth or away, to depart, retire, withdraw; Latin participle adjective exedens, retiring; intended to mean eating away, corroding (the agar).)
 * N. pusilla ( Reichenbach 2007, ; Latin feminine gender adjective pusilla, tiny.)

Natranaerobius
Natranaerobius is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Natranaerobius derives from: New Latin noun natron derived from Arabic natrun, soda (sodium carbonate); Greek prefix an (ἄν), not; Greek noun aer, aeros (ἀήρ, ἀέρος), air; Greek masculine gender noun bios (βίος), life; New Latin masculine gender noun Natranaerobius, a soda-requiring anaerobe.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * N. thermophilus ( Mesbah et al. 2007, (Type species of the genus).; Greek noun thermē (θέρμη), heat; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective thermophilus, heat-loving, referring to its growth temperature.)
 * N. trueperi ( Mesbah and Wiegel 2009, ; New Latin genitive case masculine gender noun trueperi, of Tr&uuml;per, referring to Hans G. Tr&uuml;per, in honour of his contributions to the field of physiology of halophiles and his earlier work on the microbial ecology of the Wadi An Natrun.)

Natrialba
Natrialba is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Natrialba derives from:
 * New Latin noun natron (arbitrarily derived from the Arabic noun natrun or natron) soda, sodium carbonate; Latin adjective alba, white; Latin feminine gender noun Natrialba, sodium white; referring to the high sodium ion requirement and the pigmentless colonies of the type species.

Species
The genus contains 6 species (including basonyms and synonyms), namely
 * N. aegyptia ( corrig. Hezayen et al. 2001, ;: Latin feminine gender adjective aegyptia, pertaining to Egypt, referring to the geographical region from which this organism was isolated.)
 * N. asiatica ( Kamekura and Dyall-Smith 1996, (Type species of the genus).;: Latin feminine gender adjective asiatica, pertaining to Asia, referring to the geographical region from which these organisms were isolated.)
 * N. chahannaoensis ( Xu et al. 2001, ;: New Latin masculine gender adjective chahannaoensis, pertaining to Chahannao, referring to its isolation from Chahannao soda lake, China.)
 * N. hulunbeirensis ( Xu et al. 2001, ;: New Latin feminine gender adjective hulunbeirensis, pertaining to Hulunbeir, relating to the isolation of the organism from a soda lake of Hulunbeir prefecture, China.)
 * N. magadii ( (Tindall et al. 1984) Kamekura et al. 1997, ;: New Latin genitive case noun magadii, of Magadi; named for Lake Magadi, a saline soda lake in Kenya.)
 * N. taiwanensis ( Hezayen et al. 2001, ;: New Latin feminine gender adjective taiwanensis, pertaining to Taiwan, referring to the isolation of the organism from solar salts produced in Taiwan.)

Natrinema
Natrinema is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Natrinema derives from:
 * New Latin noun natron (arbitrarily derived from the Arabic noun natrun or natron) soda, sodium carbonate; Greek neuter gender noun nema, a thread; New Latin neuter gender noun Natrinema, sodium (-requiring) thread.

Species
The genus contains 6 species (including basonyms and synonyms), namely
 * N. altunense ( Xu et al. 2005, ; New Latin neuter gender adjective altunense, of Altun, referring to isolation of the organism from Altun Mountain, China.)
 * N. ejinorense ( Castillo et al. 2006, ;: New Latin neuter gender adjective ejinorense, pertaining to the saline lake Ejinor, Inner Mongolia, China.)
 * N. gari ( Tapingkae et al. 2008, ; Latin genitive case noun gari, of a fish sauce, pertaining to the isolation of strains from fermented fish sauce.)
 * N. pallidum ( McGenity et al. 1998, ;: Latin neuter gender adjective pallidum, pale.)
 * N. pellirubrum ( McGenity et al. 1998, (Type species of the genus).;: Latin noun pellis, skin or hide; Latin neuter gender adjective rubrum, red; New Latin neuter gender adjective pellirubrum, red-hide.)
 * N. versiforme ( Xin et al. 2000, ;: Latin neuter gender adjective versiforme, changing its form, changeable, of various shapes; the various-shaped Natrinema.)

Natronoarchaeum
Natronoarchaeum is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Natronoarchaeum derives from: New Latin noun natron (arbitrarily derived from Arabic noun natrun or natron), soda, sodium carbonate; New Latin pref. natrono-, pertaining to soda; New Latin neuter gender noun archaeum (from Greek adjective archaios -ē -on, ancient), archaeon; New Latin neuter gender noun Natronoarchaeum, the soda archaeon.

Species
The genus contains a single species, namely N. mannanilyticum ( Shimane et al. 2010, (Type species of the genus).; New Latin neuter gender noun mannanum, mannan; New Latin neuter gender adjective lyticum (from Greek neuter gender adjective lutikon), able to loose, able to dissolve; New Latin neuter gender adjective mannanilyticum, mannan-dissolving.)

Natroniella
Natroniella is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Natroniella derives from: New Latin noun natron (arbitrarily derived from the Arabic noun natrun or natron) soda, sodium carbonate; Latin feminine gender noun Natroniella, organism growing in soda deposits.

Species
The genus contains a single species, namely N. acetigena ( Zhilina et al. 1996, (Type species of the genus).; New Latin noun acidum aceticum, acetic acid; Greek v. gennaō (γεννάω), produce, engender; New Latin feminine gender adjective acetigena, organism which produces acetic acid.)

Natronincola
Natronincola is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Natronincola derives from: New Latin noun natron (arbitrarily derived from the Arabic noun natrun or natron) soda, sodium carbonate; Latin masculine gender or feminine gender noun incola, inhabitant, dweller; New Latin noun Natronincola, an organism indigenous to soda deposits

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * N. ferrireducens ( Zavarzina et al. 2009 (complete authorship reads Zavarzina, Tourova and Osipov), ; Latin noun ferrum, iron; Latin participle adjective reducens (from Latin v. reducere), leading back, bringing back and in chemistry converting to a different oxidation state; New Latin participle adjective ferrireducens, iron-reducing (an iron-reducing organism.)
 * N. histidinovorans ( corrig. Zhilina et al. 1999, (Type species of the genus).; New Latin noun histidinum, histidine; Latin v. vorare, to devour; New Latin participle adjective histidinivorans, histidine-devouring, utilizing histidine as the main substrate.)
 * N. peptidivorans ( corrig. Zhilina et al. 2009 (complete authorship reads Zhilina, Tourova and Osipov), ; New Latin noun peptidum, peptide; Latin participle adjective vorans, devouring; New Latin participle adjective peptidivorans, peptide-devouring organism.)

Natronobacillus
Natronobacillus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Natronobacillus derives from: New Latin noun natron (arbitrarily derived from the Arabic noun natrun or natron) soda, sodium carbonate; New Latin pref. natrono-, pertaining to soda; Latin masculine gender noun bacillus, a small rod; New Latin masculine gender noun Natronobacillus, soda-loving rod.

Species
The genus contains a single species, namely N. azotifigens ( Sorokin et al. 2009, (Type species of the genus).; New Latin noun azotum (from french noun azote), nitrogen; Latin participle adjective figens, fixing, attaching; New Latin participle adjective azotifigens, nitrogen-fixing.)

Natronobacterium
Natronobacterium is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Natronobacterium derives from:
 * New Latin noun natron (arbitrarily derived from the Arabic noun natrun or natron) soda, sodium carbonate; New Latin pref. natrono-, pertaining to soda; Latin neuter gender noun bacterium, a small rod; New Latin neuter gender noun Natronobacterium, soda rod.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * N. gregoryi ( Tindall et al. 1984, (Type species of the genus).;: New Latin genitive case masculine gender noun gregoryi, of Gregory; named for J.W. Gregory, Scottish geologist who first described the geology of the rift valley.)
 * N. magadii ( Tindall et al. 1984, ;: New Latin genitive case noun magadii, of Magadi; named for Lake Magadi, a saline soda lake in Kenya.)
 * N. nitratireducens ( Xin et al. 2001, ;: New Latin noun nitras -atis, nitrate; Latin participle adjective reducens, leading back, bringing back and (in chemistry) converting to a different oxidation state; New Latin participle adjective nitratireducens, nitrate-reducing.)
 * N. pharaonis ( (Soliman and Tr&uuml;per 1983) Tindall et al. 1984, ;: Latin genitive case noun pharaonis, of Pharaoh, title of the kings of ancient Egypt.)
 * N. vacuolatum ( corrig. Mwatha and Grant 1993, ;: New Latin neuter gender adjective vacuolatum, vacuolate (containing gas vacuoles).)

Natronocella
Natronocella is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Natronocella derives from: New Latin noun natron (arbitrarily derived from the Arabic noun natrun or natron) soda, sodium carbonate; New Latin pref. natrono-, pertaining to soda; Latin feminine gender noun cella, a room, a store-room and in biology a cell; New Latin feminine gender noun Natronocella, a cell that can tolerate soda.

Species
The genus contains a single species, namely N. acetinitrilica ( Sorokin et al. 2007, (Type species of the genus).; New Latin noun acetinitrilum, acetinitrile; Latin suff. -icus -a -um, suffix used with the sense of belonging to; New Latin feminine gender adjective acetinitrilica, pertainig to the ability to utilize acetinitrile (acetonitrile).)

Natronococcus
Natronococcus is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Natronococcus derives from:
 * New Latin noun natron (arbitrarily derived from the Arabic noun natrun or natron) soda, sodium carbonate; New Latin pref. natrono-, pertaining to soda; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος), grain, seed), coccus; New Latin masculine gender noun Natronococcus, soda berry.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * N. amylolyticus ( Kanai et al. 1995, ;: Greek noun amulon, starch; New Latin masculine gender adjective lyticus (from Greek masculine gender adjective lutikos (λυτικός)), able to loose, able to dissolve; New Latin masculine gender adjective amylolyticus, starch dissolving.)
 * N. jeotgali ( Roh et al. 2007, ; New Latin genitive case noun jeotgali, of jeotgal, a traditional Korean fermented seafood.)
 * N. occultus ( Tindall et al. 1984, (Type species of the genus).;: Latin masculine gender adjective occultus, hidden, the hidden Natronococcus.)

Natronolimnobius
Natronolimnobius is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Natronolimnobius derives from: New Latin noun natron (arbitrarily derived from the Arabic noun natrun or natron) soda, sodium carbonate; New Latin pref. natrono-, pertaining to soda; Greek noun limnos, a pool of standing water, lake; Greek masculine gender noun bios (βίος), life; New Latin masculine gender noun Natronolimnobius, organism living in a soda lake.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * N. baerhuensis ( Itoh et al. 2005, (Type species of the genus).; New Latin masculine gender adjective baerhuensis, pertaining to Baerhu, a soda lake where the type strain was isolated.)
 * N. innermongolicus ( Itoh et al. 2005, ; New Latin masculine gender adjective innermongolicus, pertaining to Inner Mongolia where the type strain was isolated.)

Natronomonas
Natronomonas is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Natronomonas derives from:
 * New Latin noun natron (arbitrarily derived from the Arabic noun natrun or natron) soda, sodium carbonate; New Latin pref. natrono-, pertaining to soda; Latin feminine gender noun monas (μονάς / μονάδα), monad, unit; New Latin feminine gender noun Natronomonas, the soda unit.

Members of the genus Natronomonas can be referred to as natronomonad (viz. Trivialisation of names).

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * N. moolapensis ( Burns et al. 2010, ; New Latin feminine gender adjective moolapensis, of or belonging to Moolap, the place where the saltern crystallizer is situated from which the first isolates were recovered.)
 * N. pharaonis ( (Soliman and Tr&uuml;per 1983) Kamekura et al. 1997, (Type species of the genus).;: Latin genitive case noun pharaonis, of Pharaoh, title of the kings of ancient Egypt.)

Natronorubrum
Natronorubrum is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Natronorubrum derives from: New Latin noun natron (arbitrarily derived from the Arabic noun natrun or natron) soda, sodium carbonate; New Latin pref. natrono-, pertaining to soda; Latin neuter gender adjective rubrum, red; New Latin neuter gender noun Natronorubrum, the red of soda.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * N. aibiense ( Cui et al. 2006, ; New Latin neuter gender adjective aibiense, pertaining to Aibi salt lake, China.)
 * N. bangense ( Xu et al. 1999, (Type species of the genus).; New Latin neuter gender adjective bangense, pertaining to Bange, China.)
 * N. sediminis ( Guti&eacute;rrez et al. 2010, ; Latin noun sedimen -inis, sediment; Latin genitive case noun sediminis, of a sediment.)
 * N. sulfidifaciens ( Cui et al. 2007, ;: New Latin noun sulfidum, sulfide; Latin participle adjective faciens, making, producing; New Latin participle adjective sulfidifaciens, sulfide-producing.)
 * N. tibetense ( Xu et al. 1999, ; New Latin neuter gender adjective tibetense, pertaining Tibet)

Natronovirga
Natronovirga is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Natronovirga derives from: New Latin noun natron (arbitrarily derived from the Arabic noun natrun or natron) soda, sodium carbonate; Latin feminine gender noun virga, rod; New Latin feminine gender noun Natronovirga, a soda-requiring rod.

Species
The genus contains a single species, namely N. wadinatrunensis ( Mesbah and Wiegel 2009, (Type species of the genus).; New Latin feminine gender adjective wadinatrunensis, pertaining to the Wadi An Natrun, the source of isolation.)

Nautella
Nautella is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Nautella derives from: Latin noun nauta, seaman; Latin dim. suff. -ella; New Latin feminine gender noun Nautella, the small seaman, referring to the marine habitat of this novel bacterial genus.

Species
The genus contains a single species, namely N. italica ( Vandecandelaere et al. 2009, (Type species of the genus).; Latin feminine gender adjective italica, from Italy, where this species was first isolated.)

Nautilia
Nautilia is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Nautilia derives from: New Latin feminine gender noun Nautilia, named after Nautile, the name of the French submersible used for the exploration and investigation of deep-sea hydrothermal areas.

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * N. abyssi ( Alain et al. 2009, ; Latin genitive case noun abyssi, of an abyss, of the great deep.)
 * N. lithotrophica ( Miroshnichenko et al. 2002, (Type species of the genus).; Greek noun lithos, stone; New Latin feminine gender adjective trophica (from Greek feminine gender adjective trophikē), nursing, tending or feeding; New Latin. feminine gender adjective lithotrophica, inorganic-substrate-consuming.)
 * N. nitratireducens ( P&eacute;rez-Rodr&iacute;guez et al. 2010, ; New Latin noun nitras -atis, nitrate; Latin participle adjective reducens, leading back, bringing back and in chemistry converting to a different oxidation state; New Latin participle adjective nitratireducens, reducing nitrate.)
 * N. profundicola ( Smith et al. 2008, ; Latin neuter gender noun profundum, depth, abyss; Latin noun incola, inhabitant; New Latin feminine gender noun profundicola, inhabitant of the abyss.)

Naxibacter
Naxibacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Naxibacter derives from: New Latin noun Naxi, referring to the Naxi nationality, who lived in Lijiang, Yunnan Province, China, from where the organism was isolated; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Naxibacter, rod-shaped microbe from the place in which the Naxi nationality lived.

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * N. alkalitolerans ( Xu et al. 2005, (Type species of the genus).; Arabic article al, the; Arabic noun qaliy, ashes of saltwort; French noun alcali, alkali; New Latin noun alkali, alkali; Latin participle adjective tolerans, tolerating; New Latin participle adjective alkalitolerans, alkali-tolerating.)
 * N. haematophilus ( K&auml;mpfer et al. 2008, ; Greek noun haima -atos (Latin transliteration haema -atos), blood; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective haematophilus, loving blood, referring to the isolation of the type strain from blood.)
 * N. suwonensis ( Weon et al. 2010, ; New Latin masculine gender adjective suwonensis, of or belonging to Suwon region, Republic of Korea, where the type strain was found.)
 * N. varians ( K&auml;mpfer et al. 2008, ; Latin participle adjective varians, varying, pertaining to the variable results in biochemical tests.)

Negativicoccus
Negativicoccus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Negativicoccus derives from: Latin adjective negativus, negative; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος)), grain or berry; New Latin masculine gender noun Negativicoccus, coccus with a typical Gram-negative cell wall structure with an outer membrane observed by electron microscopy.

Species
The genus contains a single species, namely N. succinicivorans ( Marchandin et al. 2010, (Type species of the genus).; New Latin noun acidum succinicum, succinic acid; Latin participle adjective vorans, devouring; New Latin participle adjective succinicivorans, succinic acid-devouring.)

Neisseria
Neisseria is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Neisseria derives from: New Latin feminine gender noun Neisseria, named after Albert Neisser, who discovered the etiological agent of gonorrhea in the pus of patients in 1889.

Species
The genus contains 28 species (including basonyms and synonyms), namely
 * N. animalis ( Berger 1960, species.; Latin noun animal, an animal; Latin genitive case noun animalis, of an animal.)
 * N. animaloris ( Vandamme et al. 2006, ; Latin noun animal, an animal; Latin noun os oris, the mouth; New Latin genitive case noun animaloris, of an animal&#39;s mouth.)
 * N. bacilliformis ( Han et al. 2006, ; Latin noun bacillus, a small staff, a wand; Latin suff. -formis (from Latin noun forma, figure, shape, appearance), -like, in the shape of; New Latin feminine gender adjective bacilliformis, shaped like a small rod.)
 * N. canis ( Berger 1962, species.; Latin genitive case noun canis, of the dog.)
 * N. caviae ( Pelczar 1953, species.;: New Latin noun Cavia, generic name of the guinea pig; New Latin genitive case noun caviae, of Cavia.)
 * N. cinerea ( (von Lingelsheim 1906) Murray 1939, species.; Latin feminine gender adjective cinerea, similar to ashes, ash-colored, gray.)
 * N. cuniculi ( Berger 1962, species.;: Latin genitive case noun cuniculi, of the rabbit.)
 * N. denitrificans ( Berger 1962, species.; New Latin participle adjective denitrificans, denitrifying.)
 * N. dentiae ( Sneath and Barrett 1997, ; New Latin feminine gender genitive case noun dentiae, of (Dr.) Dent; named for Vija E. Dent (Mrs. Pratley) in recognition of her pioneering work on neisserias from dental plaque.)
 * N. elongata ( B&oslash;vre and Holten 1970, species.; Latin feminine gender participle adjective elongata, prolonged, elongated.)
 * N. elongata ( subsp. elongata B&oslash;vre and Holten 1970, subspecies.; Latin feminine gender participle adjective elongata, prolonged, elongated.)
 * N. elongata ( subsp. glycolytica Henriksen and Holten 1976, subspecies.; Greek adjective gl&ucirc;kus, sweet; New Latin adjective lyticus -a -um (from Greek adjective lutikos (λυτικός) -ē -on), able to loose, able to dissolve New Latin feminine gender adjective glycolytica, meant to indicate an ability to attack glucose.)
 * N. elongata ( subsp. nitroreducens Grant et al. 1991, ; New Latin noun nitras -atis, nitrate; New Latin pref. nitro-, pertaining to nitrate; Latin participle adjective reducens, leading back, bringing back and in chemistry converting to a different oxidation state; New Latin participle adjective nitroreducens, nitrate reducing.)
 * N. flava ( Bergey et al. 1923, species.; Latin feminine gender adjective flava, yellow.)
 * N. flavescens ( Branham 1930, species.; Latin participle adjective flavescens, becoming golden yellow, turning light yellow.)
 * N. gonorrhoeae ( (Zopf 1885) Trevisan 1885, species. (Type species of the genus).; Greek noun gonorrhoea, a seminal flux, gonorrhoea; New Latin genitive case noun gonorrhoeae, of gonorrhoea.)
 * N. iguanae ( Barrett et al. 1994, ; New Latin genitive case noun iguanae, of the iguana lizard.)
 * N. lactamica ( Hollis et al. 1969, species.; Latin noun lac lactis, milk; Latin adjective amicus, loving, friendly; New Latin feminine gender adjective lactamica, intended to mean fond of lactose.)
 * N. macacae ( Vedros et al. 1983, ; New Latin genitive case noun macacae (from Port. noun macaco, female monkey; or from New Latin noun Macaca, the generic name of macaques), of a monkey, referring to the source of the isolate (isolated from the oropharynges of rhesus monkeys).)
 * N. meningitidis ( (Albrecht and Ghon 1901) Murray 1929, species.; Greek noun meninx meningos, meninges, membrane covering the brain; Latin suff. -itis -itidis, suffix used for inflammation; New Latin genitive case noun meningitidis, of inflammation of the meninges, of meningitis.)
 * N. mucosa ( V&eacute;ron et al. 1959, species.; Latin feminine gender adjective mucosa, slimy.)
 * N. ovis ( Lindqvist 1960, species.;: Latin genitive case noun ovis, of the sheep.)
 * N. perflava ( Bergey et al. 1923, species.; Latin prep. per, very much, very; Latin feminine gender adjective flava, yellow; New Latin feminine gender adjective perflava, very yellow.)
 * N. polysaccharea ( Riou and Guibourdenche 1987, ; Greek adjective polu, many; Greek noun sakch&acirc;r; sugar; Latin feminine gender suff. -ea, suffix denoting made of or belonging to; New Latin feminine gender adjective polysaccharea, with many saccharides.)
 * N. shayeganii ( Wolfgang et al. 2011, ; New Latin genitive case noun shayeganii, of Shayegani, to recognize and honour over 40 years of public service and leadership by Dr Mehdi Shayegani in the Bacteriology Laboratory of the Wadsworth Center, New York State Department of Health.)
 * N. sicca ( (von Lingelsheim 1908) Bergey et al. 1923, species.; Latin feminine gender adjective sicca, dry.)
 * N. subflava ( (Fl&uuml;gge 1886) Trevisan 1889, species.; Latin prep. sub, under, below, slightly; Latin feminine gender adjective flava, yellow; New Latin feminine gender adjective subflava, yellowish.)
 * N. wadsworthii ( Wolfgang et al. 2011, ; New Latin genitive case noun wadsworthii, of the Wadsworth Center, to recognize the service provided to New York State residents by the Bacteriology Laboratory of the New York State Department of Health&#39;s Wadsworth Center and its role as a public health resource.)
 * N. weaveri ( Holmes et al. 1993, ; New Latin genitive case masculine gender noun weaveri, of Weaver, named in honor of Robert E. Weaver.)
 * N. weaveri ( Andersen et al. 1993, ; New Latin genitive case masculine gender noun weaveri, of Weaver, named in honor of Robert E. Weaver.)
 * N. zoodegmatis ( Vandamme et al. 2006, ; Greek noun zoon, an animal; Greek noun degma, a bite; New Latin genitive case noun zoodegmatis, of an animal&#39;s bite.)

Neoasaia
Neoasaia is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Neoasaia derives from: Greek adjective neos, new; New Latin feminine gender noun Asaia, a bacterial genus name; New Latin feminine gender noun Neoasaia, a new Asaia.

Species
The genus contains a single species, namely N. chiangmaiensis ( Yukphan et al. 2006, (Type species of the genus).; New Latin feminine gender adjective chiangmaiensis, pertaining to Chiang Mai, Thailand, where the type strain was isolated.)

Neochlamydia
Neochlamydia is a genus in the phylum Chlamydiae (Bacteria).

Etymology
The name Neochlamydia derives from:
 * Greek pref. neo- (from. Greek adjective neos), new; New Latin feminine gender noun Chlamydia, name of a bacterial genus; New Latin feminine gender noun Neochlamydia, a new Chlamydia, referring to the modest phylogenetic relationship to the Chlamydiaceae.

Species
The genus contains a single species, namely N. hartmannellae ( Horn et al. 2001, (Type species of the genus).;: New Latin genitive case noun hartmannellae, of Hartmannella (taxonomic name of a genus of Hartmannellidae), referring to the name of the host amoeba, Hartmannella vermiformis strain A1Hsp, in which the organism was first discovered.)

Neorickettsia
Neorickettsia is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Neorickettsia derives from: Greek pref. neo- (from. Greek adjective neos), new; New Latin feminine gender noun Rickettsia, type genus of the family, Rickettisaceae; New Latin feminine gender noun Neorickettsia the new Rickettsia.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * N. helminthoeca ( Philip et al. 1953, species. (Type species of the genus).; Greek noun helmins -inthos, intestinal-worm; Greek noun oikos, house; New Latin feminine gender adjective helminthoeca, worm-dwelling.)
 * N. risticii ( (Holland et al. 1985) Dumler et al. 2001, ; New Latin genitive case masculine gender noun risticii, of Ristic, named after from Miodrag Ristic.)
 * N. sennetsu ( (Misao and Kobayashi 1956) Dumler et al. 2001, ; New Latin noun sennetsu, from Japanese, meaning glandular fever.)

Neptuniibacter
Neptuniibacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Neptuniibacter derives from: Latin adjective Neptunius, Neptunian, pertaining to Neptune, Roman god of the sea; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, a rod; New Latin masculine gender noun Neptuniibacter, a Neptunian rod, referring to the habitat of the bacteria.

Species
The genus contains a single species, namely N. caesariensis ( Arahal et al. 2007, (Type species of the genus).; Latin masculine gender adjective caesariensis, pertaining to Caesaria, as the isolate was found close to the Roman city Caesaria maritima, south of Haifa in present day Israel.)

Neptunomonas
Neptunomonas is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Neptunomonas derives from: Latin noun Neptunus, Neptune, the Roman god of the sea; Latin feminine gender noun monas (μονάς / μονάδα), nominally meaning "a unit", but in effect meaning a bacterium; New Latin feminine gender noun Neptunomonas, Neptune&#39;s monad.

Members of the genus Neptunomonas can be referred to as neptunomonad (viz. Trivialisation of names).

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * N. antarctica ( Zhang et al. 2010, ; New Latin feminine gender adjective antarctica, southern, and by extension pertaining to Antarctic, the geographical origin of the type strain.)
 * N. japonica ( Miyazaki et al. 2008, ; New Latin feminine gender adjective japonica, Japan, pertaining to Japan, where the isolate originated.)
 * N. naphthovorans ( Hedlund et al. 1999, (Type species of the genus).; New Latin suff. naphtho-, combining form of naphthalene, a white, crystalline hydrocarbon; Latin participle adjective vorans, eating, devouring; New Latin participle adjective naphthovorans, naphthalene-devouring.)

Nereida
Nereida is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Nereida derives from: Latin feminine gender noun Nereida (= Latin feminine gender noun Nereis), a Nereid, a sea nymph, referring to the habitat of the bacteria.

Species
The genus contains a single species, namely N. ignava ( Pujalte et al. 2005, (Type species of the genus).; Latin feminine gender adjective ignava, lazy.)

Nesiotobacter
Nesiotobacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Nesiotobacter derives from: Greek adjective nesiotes, of an island, insular; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Nesiotobacter, rod from an island, in this case Laysan.

Species
The genus contains a single species, namely N. exalbescens ( Donachie et al. 2006, (Type species of the genus).; Latin participle adjective exalbescens (from Latin v. exalbesco), becoming white, growing white, referring to the fading colour of maturing colonies.)

Nesterenkonia
Nesterenkonia is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Nesterenkonia derives from: New Latin feminine gender noun Nesterenkonia, named in honour of Olga Nesterenko, an Ukrainian microbiologist.

Species
The genus contains 11 species (including basonyms and synonyms), namely
 * N. aethiopica ( Delgado et al. 2006, ; Latin feminine gender adjective aethiopica, pertaining to Ethiopia.)
 * N. alba ( Luo et al. 2009, ; Latin feminine gender adjective alba, white, referring to the colour of colonies of the organism.)
 * N. flava ( Luo et al. 2008, ; Latin feminine gender adjective flava, yellow, referring to the colour of colonies of the organism.)
 * N. halobia ( (Onishi and Kamekura 1972) Stackebrandt et al. 1995, (Type species of the genus).; Greek noun hals, halos (ἅλς, ἁλός), salt; Greek noun bios (βίος), life; New Latin feminine gender adjective halobia, living on salt.)
 * N. halophila ( Li et al. 2008, ; Greek noun hals, halos (ἅλς, ἁλός), salt; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin feminine gender adjective halophila, salt-loving, referring to the ability to grow at high salt concentrations.)
 * N. halotolerans ( Li et al. 2004, ; Greek noun hals, halos (ἅλς, ἁλός), salt; Latin participle adjective tolerans, tolerating; New Latin participle adjective halotolerans, salt-tolerating, referring to the ability to tolerate high salt concentrations.)
 * N. jeotgali ( Yoon et al. 2006, ;: New Latin genitive case noun jeotgali, of jeotgal, from which the type strain was isolated.)
 * N. lacusekhoensis ( Collins et al. 2002, ;: New Latin feminine gender adjective lacusekhoensis, of or belonging to &quot;Ekho Lake&quot;, the lake in Antarctica from which the organism was isolated.)
 * N. lutea ( Li et al. 2005, ; Latin feminine gender adjective lutea, gold-yellow.)
 * N. sandarakina ( Li et al. 2005, ; New Latin feminine gender adjective sandarakina (from Greek feminine gender adjective sandarakinē), of orange colour.)
 * N. xinjiangensis ( Li et al. 2004, ; New Latin feminine gender adjective xinjiangensis, pertaining to Xinjiang, the province of western China in which the samples were collected.)

Nevskia
Nevskia is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Nevskia derives from: New Latin feminine gender noun Nevskia, named after the Neva, a river in St. Petersburg.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * N. ramosa ( Famintzin 1892, species. (Type species of the genus).; Latin feminine gender adjective ramosa, having many branches, branchy.)
 * N. soli ( Weon et al. 2008, ; Latin genitive case noun soli, of soil, the source of the type strain.)
 * N. terrae ( Kim et al. 2011, ; Latin genitive case noun terrae, of the soil.)

Niabella
Niabella is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Niabella derives from:
 * New Latin feminine gender dim. noun Niabella, arbitrary name, after NIAB, National Institute of Agricultural Biotechnology, where taxonomic studies of this taxon were conducted.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * N. aurantiaca ( Kim et al. 2007, (Type species of the genus).;: New Latin feminine gender adjective aurantiaca, orange-coloured.)
 * N. ginsengisoli ( Weon et al. 2009, ; New Latin noun ginsengum, ginseng; Latin noun solum, soil; New Latin genitive case noun ginsengisoli, of soil from a ginseng field, the source of the type strain.)
 * N. soli ( Weon et al. 2008, ; Latin genitive case noun soli, of soil.)
 * N. tibetensis ( Dai et al. 2011, ; New Latin feminine gender adjective tibetensis, of or belonging to Tibet, an autonomous region in north-west China.)
 * N. yanshanensis ( Wang et al. 2009, ; New Latin feminine gender adjective yanshanensis, of or belonging to Yanshan, an emblem for Hebei Province, where the type strain was isolated.)

Niastella
Niastella is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Niastella derives from: New Latin feminine gender dim. noun Niastella, arbitrary name after NIAST, the National Institute of Agricultural Science and Technology, where taxonomic studies of this taxon were conducted.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * N. koreensis ( Weon et al. 2006, (Type species of the genus).; New Latin feminine gender adjective koreensis, of Korea, where the type strain was isolated.)
 * N. populi ( Zhang et al. 2010, ; Latin genitive case noun populi, of a poplar, pertaining to Populus, the Latin name of the poplars that grow in the forest from which the strain was isolated.)
 * N. yeongjuensis ( Weon et al. 2006, ; New Latin feminine gender adjective yeongjuensis, pertaining to Yeongju, a city in Korea, where the organism was first isolated.)

Nicoletella
Nicoletella is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Nicoletella derives from: New Latin feminine gender dim. noun Nicoletella, named in tribute to Jacques Nicolet, a Swiss microbiologist, for his contribution to research on Pasteurellaceae.

Species
The genus contains a single species, namely N. semolina ( Kuhnert et al. 2005, (Type species of the genus).; New Latin feminine gender noun semolina (nominative in apposition), semolina, indicating the typical semolina-like colony characteristic.)

Nitratifractor
Nitratifractor is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Nitratifractor derives from: New Latin masculine gender noun nitras -atis, nitrate; Latin masculine gender noun fractor, breaker; New Latin masculine gender noun Nitratifractor, nitrate-breaker (-reducer).

Species
The genus contains a single species, namely N. salsuginis ( Nakagawa et al. 2005, (Type species of the genus).; Latin genitive case noun salsuginis, of brine.)

Nitratireductor
Nitratireductor is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Nitratireductor derives from: New Latin masculine gender noun nitras, nitrate; Latin masculine gender noun reductor, one who leads or brings back; New Latin masculine gender noun Nitratireductor, nitrate-reducing bacterium.

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * N. aquibiodomus ( Labb&eacute; et al. 2004, (Type species of the genus).; Latin feminine gender noun aqua, water; New Latin feminine gender noun biodomus, Biodome; New Latin genitive case noun aquibiodomus, of the water of the Montreal Biodome.)
 * N. basaltis ( Kim et al. 2009, ; Latin masculine gender genitive case noun basaltis, of basalt, pertaining to the source of isolation of the type strain.)
 * N. indicus ( Lai et al. 2011, ; Latin masculine gender adjective indicus, Indian, referring to the Indian Ocean, from where the type strain was isolated.)
 * N. kimnyeongensis ( Kang et al. 2009, ; New Latin masculine gender adjective kimnyeongensis, pertaining to Kimnyeong Beach, Jeju, Republic of Korea, the site of isolation of the type strain.)

Nitratiruptor
Nitratiruptor is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Nitratiruptor derives from: New Latin masculine gender noun nitras -atis, nitrate; Latin masculine gender noun ruptor, breaker; New Latin masculine gender noun Nitratiruptor, nitrate-breaker (-reducer).

Species
The genus contains a single species, namely N. tergarcus ( Nakagawa et al. 2005, (Type species of the genus).; Latin neuter gender noun tergum, back; Latin genitive case noun arcus, of an arc; New Latin genitive case noun tergarcus, of a back arc (geological term).)

Nitriliruptor
Nitriliruptor is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Nitriliruptor derives from: New Latin noun nitrilum, nitrile, nitrile group; Latin masculine gender noun ruptor, breaker; New Latin masculine gender noun nitriliruptor, nitrile-breaker.

Species
The genus contains a single species, namely N. alkaliphilus ( Sorokin et al. 2009, (Type species of the genus).; New Latin noun alkali, soda ash; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin adjective alkaliphilus, alkali-loving.)

Nitrincola
Nitrincola is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Nitrincola derives from: Latin noun nitrum, soda; Latin masculine gender noun incola, inhabitant, dweller; New Latin masculine gender noun Nitrincola, an inhabitant of a soda environment.

Species
The genus contains a single species, namely N. lacisaponensis ( Dimitriu et al. 2005, (Type species of the genus).; Latin noun lacus, lake; Latin noun sapo -onis, soap; New Latin masculine gender adjective lacisaponensis, pertaining to Soap Lake.)

Nitritalea
Nitritalea is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Nitritalea derives from: Latin noun nitrum, natural soda; Latin feminine gender noun talea, a rod, a stick; New Latin feminine gender noun Nitritalea, a rod or stick from natural soda, referring to the isolation of the first strain from a soda lake.

Species
The genus contains a single species, namely N. halalkaliphila ( Anil Kumar et al. 2010, (Type species of the genus).; Greek noun hals, halos (ἅλς, ἁλός), salt; New Latin noun alkali, alkali; New Latin feminine gender adjective phila (from Greek feminine gender adjective philē (φίλη)) friendly to, loving; New Latin feminine gender adjective halalkaliphila, loving salt and alkaline conditions.)

Nitrobacter
Nitrobacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Nitrobacter derives from: New Latin noun nitras -atis, nitrate; New Latin pref. nitro-, pertaining to nitrate; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, a rod; New Latin masculine gender noun Nitrobacter, nitrate rod.

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * N. alkalicus ( Sorokin et al. 1999, ; New Latin noun alkali (from Arabic al-qalyi, the ashes of saltwort), soda ash; Latin masculine gender suff. -icus, suffix used with the sense of pertaining to; New Latin masculine gender adjective alkalicus, intended to mean alkaline.)
 * N. hamburgensis ( Bock et al. 2001, ; New Latin masculine gender adjective hamburgensis, pertaining to the city of Hamburg, Federal Republic of Germany, where the organism was first isolated.)
 * N. vulgaris ( Bock et al. 2001, ; Latin masculine gender adjective vulgaris, usual, common.)
 * N. winogradskyi ( Winslow et al. 1917, species. (Type species of the genus).; New Latin genitive case masculine gender noun winogradskyi, of Winogradsky; named after Winogradsky, the microbiologist who first isolated these bacteria.)

Nitrococcus
Nitrococcus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Nitrococcus derives from:
 * Latin noun nitrum, native soda, natron, nitrate; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος), grain, seed), coccus, sphere; New Latin masculine gender noun Nitrococcus, nitrate sphere.

Species
The genus contains a single species, namely N. mobilis ( Watson and Waterbury 1971, species. (Type species of the genus).;: Latin masculine gender adjective mobilis, movable, motile.)

Nitrosococcus
Nitrosococcus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Nitrosococcus derives from:
 * Latin adjective nitrosus, full of natron; here intended to mean nitrous; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος), grain, seed), coccus, sphere; New Latin masculine gender noun Nitrosococcus, nitrous sphere.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * N. nitrosus ( (Migula 1900) Buchanan 1925, species. (Type species of the genus).;: Latin adjective nitrosus, full of natron, nitrous.)
 * N. oceani ( corrig. (Watson 1965) Watson 1971, species.;: Latin genitive case noun oceani, of the ocean.)

Nitrosolobus
Nitrosolobus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Nitrosolobus derives from: Latin adjective nitrosus, full of natron; here intended to mean nitrous; New Latin masculine gender noun lobus (from Greek masculine gender noun lobos, lobe of the ear, or liver, or lung), a lobe; New Latin masculine gender noun nitrosolobus, nitrous lobe, a lobe producing nitrite.

Species
The genus contains a single species, namely N. multiformis ( Watson et al. 1971, species. (Type species of the genus).; Latin masculine gender adjective multiformis, manyshaped, multiform.)

Nitrosomonas
Nitrosomonas is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Nitrosomonas derives from: Latin adjective nitrosus, full of natron; here intended to mean nitrous; Latin feminine gender noun monas (μονάς / μονάδα), nominally meaning "a unit", but in effect meaning a bacterium; New Latin feminine gender noun Nitrosomonas, nitrite monad, i.e., the monad producing nitrite.

Members of the genus Nitrosomonas can be referred to as nitrosomonad (viz. Trivialisation of names).

Species
The genus contains 9 species (including basonyms and synonyms), namely
 * N. aestuarii ( Koops et al. 2001, ; Latin noun aestuarium, a channel extending inland from the sea, and only filled with water at floodtide; Latin genitive case noun aestuarii, of the estuary.)
 * N. communis ( Koops et al. 2001, ; Latin feminine gender adjective communis, usual, common.)
 * N. europaea ( Winogradsky 1892, species. (Type species of the genus).; Latin feminine gender adjective europaea, of or belonging to Europe, European.)
 * N. eutropha ( Koops et al. 2001, ; Greek pref. eu-, good; Greek noun trophos, feeder, rearer, that which nourishes; New Latin feminine gender adjective eutropha, pertaining to a good nutrition.)
 * N. halophila ( Koops et al. 2001, ; Greek noun hals, halos (ἅλς, ἁλός), salt; New Latin feminine gender adjective phila (from Greek feminine gender adjective philē (φίλη)), friend, loving; New Latin feminine gender adjective halophila, salt-loving)
 * N. marina ( Koops et al. 2001, ; Latin feminine gender adjective marina, of or pertaining to the sea, marine.)
 * N. nitrosa ( Koops et al. 2001, ; Latin feminine gender adjective nitrosa, full of natron; here intended to mean nitrous)
 * N. oligotropha ( Koops et al. 2001, ; Greek adjective oligos, little; Greek masculine gender noun trophos, feeder, rearer, that which nourishes; New Latin feminine gender noun oligotropha, pertaining to a little nutrition.)
 * N. ureae ( Koops et al. 2001, ; New Latin noun urea, urea; New Latin genitive case noun ureae, of urea.)

Nitrosospira
Nitrosospira is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Nitrosospira derives from: Latin adjective nitrosus, full of natron; here intended to mean nitrous; Latin feminine gender noun spira, a coil, spiral; New Latin feminine gender noun Nitrosospira, nitrous spiral.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * N. briensis ( Winogradsky and Winogradsky 1933, species. (Type species of the genus).; New Latin feminine gender adjective briensis, pertaining to Brie, a French place name.)
 * N. multiformis ( (Watson et al. 1971) Head et al. 1995, ; Latin feminine gender adjective multiformis, manyshaped, multiform.)
 * N. tenuis ( (ex Harms et al. 1976) Head et al. 1995, nom. rev., ; Latin feminine gender adjective tenuis, fine, thin.)

Nitrospina
Nitrospina is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Nitrospina derives from: New Latin noun nitras -atis, nitrate; New Latin pref. nitro-, pertaining to nitrate; Latin feminine gender noun spina, thorn, spine; New Latin feminine gender noun Nitrospina, nitrate spine.

Species
The genus contains a single species, namely N. gracilis ( Watson and Waterbury 1971, species. (Type species of the genus).; Latin feminine gender adjective gracilis, thin, slender.)

Nitrospira
Nitrospira is a genus in the phylum Nitrospirae (Bacteria).

Etymology
The name Nitrospira derives from: Latin noun nitrum, native soda, natron, nitrate; Latin feminine gender noun spira, a coil, spiral; New Latin feminine gender noun Nitrospira, nitrate spiral.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * N. marina ( Watson et al. 1986, (Type species of the genus).; Latin feminine gender adjective marina, of the sea, marine.)
 * N. moscoviensis ( Ehrich et al. 2001, ; New Latin feminine gender adjective moscoviensis, pertaining to Moscow, named after the place where this organism was first isolated.)

Nocardia
Nocardia is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Nocardia derives from: New Latin feminine gender noun Nocardia, named after Edmond Nocard (1850–1903), a French veterinarian who first isolated members of this taxon.

Species
The genus contains 93 species (including basonyms and synonyms), namely
 * N. abscessus ( Yassin et al. 2000, ; Latin genitive case masculine gender noun abscessus, of/from an abscess, referring to the characteristic clinical conditions from which the organisms were isolated.)
 * N. acidivorans ( K&auml;mpfer et al. 2007, ; New Latin noun acidum (from Latin adjective acidus, sour), an acid; Latin v. vorare, to devour; New Latin participle adjective acidivorans, acid-devouring.)
 * N. africana ( Hamid et al. 2001, ; Latin feminine gender adjective africana, African, of Africa, the source of the isolates.)
 * N. alba ( Li et al. 2004, ; Latin feminine gender adjective alba, white.)
 * N. altamirensis ( Jurado et al. 2008, ; New Latin feminine gender adjective altamirensis, of or belonging to Altamira cave, Cantabria, Spain, where the type strain was isolated.)
 * N. amamiensis ( Yamamura et al. 2007, ; New Latin feminine gender adjective amamiensis, of or pertaining to Amami Island, from where the organism was first isolated.)
 * N. amarae ( Lechevalier and Lechevalier 1974, species.; Greek noun amara, trench, conduit, channel; here a sewage duct; New Latin genitive case noun amarae, of a sewage duct.)
 * N. anaemiae ( Kageyama et al. 2005, ; New Latin feminine gender noun anaemia (from Greek feminine gender noun anaimia, want of blood), anaemia; New Latin genitive case noun anaemiae, of anaemia, referring to the disease of the patient with this condition.)
 * N. aobensis ( Kageyama et al. 2005, ; New Latin feminine gender adjective aobensis, of or pertaining to Aoba-cho, Chiba, Japan, where the type strain was isolated.)
 * N. araoensis ( Kageyama et al. 2004, ; New Latin feminine gender adjective araoensis, of or belonging to Arao city, where the bacterium was isolated.)
 * N. arthritidis ( Kageyama et al. 2005, ; Greek noun arthritis -idos, gout, arthritis; New Latin genitive case noun arthritidis, of arthritis.)
 * N. asiatica ( Kageyama et al. 2004, ; Latin feminine gender adjective asiatica, of Asia (the source of the isolates).)
 * N. asteroides ( (Eppinger 1891) Blanchard 1896, species. (Type species of the genus).; New Latin feminine gender adjective asteroides (from Greek adjective asteroeides -es), star-like.)
 * N. autotrophica ( (Takamiya and Tubaki 1956) Hirsch 1961, species.; Greek pron. autos (αὐτός), himself; New Latin feminine gender adjective trophica (from Greek feminine gender adjective trophikē), nursing, tending or feeding; New Latin feminine gender adjective autotrophica, self-nourishing, referring to the ability to grow at the expense of H2 and CO2.)
 * N. beijingensis ( Wang et al. 2001, ; New Latin feminine gender adjective beijingensis of or pertaining to Beijing, the source of the isolate.)
 * N. blacklockiae ( Conville et al. 2009, ; New Latin feminine gender genitive case noun blacklockiae, of Blacklock, in memory of Zeta M. Blackblock, in honor of and in recognition for her contributions to the study of Nocardia taxonomy.)
 * N. brasiliensis ( (Lindenberg 1909) Pinoy 1913, species.; New Latin feminine gender adjective brasiliensis, of or pertaining to Brazil.)
 * N. brevicatena ( (Lechevalier et al. 1961) Goodfellow and Pirouz 1982, ; Latin adjective brevis, short; Latin noun catena, chain; New Latin noun brevicatena, short chain (of spores).)
 * N. caishijiensis ( Zhang et al. 2003, ; New Latin feminine gender adjective caishijiensis, of or belonging to Caishiji, the source of the soil from which the type strain was isolated.)
 * N. calcarea ( Metcalf and Brown 1957, species.; New Latin feminine gender adjective calcarea, chalky.)
 * N. callitridis ( Kaewkla and Franco 2010, ; New Latin genitive case noun callitridis, of Callitris, the botanical name of a genus of pine, named after the source plant of the type strain, the Australian native pine Callitris preissii.)
 * N. carnea ( (Rossi Doria 1891) Castellani and Chalmers 1913, species.; Latin feminine gender adjective carnea, of flesh.)
 * N. cellulans ( Metcalf and Brown 1957, species.; New Latin participle adjective cellulans, cell-making.)
 * N. cerradoensis ( Albuquerque de Barros et al. 2003, ; New Latin feminine gender adjective cerradoensis, of or pertaining to the Cerrado, soil of which was the source of the organism.)
 * N. coeliaca ( (Gray and Thornton 1928) Waksman and Henrici 1948, species.; Latin feminine gender adjective coeliaca, relating to the bowels.)
 * N. concava ( Kageyama et al. 2005, ; Latin feminine gender adjective concava, hollow, concave, referring to the colony morphology on agar plates.)
 * N. corynebacterioides ( Serrano et al. 1972, species.; New Latin neuter gender noun Corynebacterium, bacterial genus name; Greek suffix -oides, similar to; New Latin feminine gender adjective corynebacterioides, similar to Corynebacterium.)
 * N. coubleae ( Rodr&iacute;guez-Nava et al. 2007, ; New Latin genitive case feminine gender noun coubleae, of Couble, named after Andr&eacute;e Couble, in recognition of her contribution to the French Nocardiosis Observatory, Lyon, France.)
 * N. crassostreae ( Friedman et al. 1998, ; New Latin noun Crassostrea, generic name of Pacific oyster; New Latin genitive case noun crassostreae, of Crassostrea, referring to the source of the organism.)
 * N. cummidelens ( Maldonado et al. 2001, ; Latin noun cummis, gum, rubber; Latin partic. adjective delens, destroying; New Latin partic. adjective cummidelens, rubber destroying.)
 * N. cyriacigeorgica ( corrig. Yassin et al. 2001, ; Greek neuter gender noun kuriakon, house of the Lord, church; New Latin neuter gender noun cyriacum, church; New Latin feminine gender adjective georgica, of or related to St George; New Latin feminine gender adjective cyriacigeorgica, related to St George&rsquo;s church, referring to the origin of the name of the German town Gelsenkirchen where the type strain was isolated.)
 * N. elegans ( Yassin and Brenner 2005, ; Latin feminine gender adjective elegans, fastidious (with respect of utilization of nutrients).)
 * N. exalbida ( Iida et al. 2006, ; Latin feminine gender adjective exalbida, whitish or white, referring to the colour of the aerial mycelium.)
 * N. farcinica ( Trevisan 1889, species.; Fr. noun farcin (from Latin noun farciminum, a disease in horses and other animals), farcy or glanders; Latin feminine gender suff. -ica, suffix used with the sense of pertaining to; New Latin feminine gender adjective farcinica, relating to farcy.)
 * N. flavorosea ( Chun et al. 1998, ; Latin adjective flavus, yellow; Latin feminine gender adjective rosea, rose-colored; New Latin feminine gender adjective flavorosea, yellow rose.)
 * N. fluminea ( Maldonado et al. 2001, ; Latin feminine gender adjective fluminea, of, in, or belonging to a river.)
 * N. gamkensis ( le Roes and Meyers 2007, ;: New Latin feminine gender adjective gamkensis, pertaining to the river Gamka in South Africa.)
 * N. globerula ( (Gray 1928) Waksman and Henrici 1948, species.; New Latin feminine gender adjective globerula, globular.)
 * N. harenae ( Seo and Lee 2006, ; Latin genitive case noun harenae, of sand, referring to the isolation of the type strain from beach sand.)
 * N. higoensis ( Kageyama et al. 2004, ; New Latin feminine gender adjective higoensis, pertaining to Higo, a traditional geographical name for Kumamoto Prefecture in Japan, the source of the type strain.)
 * N. hydrocarbonoxydans ( Nolof and Hirsch 1962, species.; Greek noun húdōr (ὕδωρ), water; Latin noun carbo -onis, coal, charcoal; New Latin participle adjective oxydans, oxidizing; New Latin participle adjective hydrocarbonoxydans, oxidizing hydrocarbons.)
 * N. ignorata ( Yassin et al. 2001, ; Latin feminine gender participle adjective ignorata, unrecognized, unknown, pertaining to the fact that the type strain was mistakenly used as a member of the genus Mycobacterium in a mycobacterial quality control test.)
 * N. inohanensis ( Kageyama et al. 2004, ; New Latin feminine gender adjective inohanensis, of or pertaining to Inohana, Chiba, Japan, where the type strain was identified.)
 * N. iowensis ( Lamm et al. 2009, ; New Latin feminine gender adjective iowensis, of or belonging to the state of Iowa, from where the type strain was isolated.)
 * N. jejuensis ( Lee 2006, ; New Latin feminine gender adjective jejuensis, of or belonging to Jeju Island, Republic of Korea, from which the type strain was isolated.)
 * N. jiangxiensis ( Cui et al. 2005, ; New Latin feminine gender adjective jiangxiensis, of or belonging to Jiangxi Province, southern China, the source of the type strain.)
 * N. jinanensis ( Sun et al. 2009, ; New Latin feminine gender adjective jinanensis, of or pertaining to Jinan, the capital city of Shandong Province, China, soil of which was the source of the type strain.)
 * N. kruczakiae ( Conville et al. 2005, ; New Latin genitive case feminine gender noun kruczakiae, of Kruczak, in memory of Patricia Kruczak-Filipov, in honor of and recognition for her contributions to the Mycology and Mycobacteriology Sections of the Microbiology Service, Department of Laboratory Medicine, Warren G. Magnuson Clinical Center, NIH, USA.)
 * N. lijiangensis ( Xu et al. 2006, ; New Latin feminine gender adjective lijiangensis, of or pertaining to Lijiang, a city in Yunnan Province in the south of China where the sample was collected.)
 * N. mediterranei ( (Margalith and Beretta 1960) Thiemann et al. 1969, species.; Latin genitive case noun mediterranei, of the interior of the land, from the Mediterranean area.)
 * N. mexicana ( Rodr&iacute;guez-Nava et al. 2006, ; New Latin feminine gender adjective mexicana, of or pertaining to Mexico city, the geographical area from which isolates were collected.)
 * N. mikamii ( Jannat-Khah et al. 2010, ; New Latin genitive case masculine gender noun mikamii, of Mikami, named in honour of Yuzuru Mikami for his valuable contribution to the systematics of Nocardia.)
 * N. miyunensis ( Cui et al. 2005, ; New Latin feminine gender adjective miyunensis, of or belonging to Miyun County in Beijing, the source of the type strain.)
 * N. neocaledoniensis ( Saintpierre-Bonaccio et al. 2004, ; New Latin feminine gender adjective neocaledoniensis, of or pertaining to New Caledonia, the source of the isolate.)
 * N. niigatensis ( Kageyama et al. 2004, ; New Latin feminine gender adjective niigatensis, of or pertaining to Niigata, Japan, the source of the isolate.)
 * N. ninae ( Laurent et al. 2007, ;: New Latin feminine gender genitive case noun ninae, of Nina, the first name of the patient from whom the type strain was isolated.)
 * N. niwae ( Moser et al. 2011, ; New Latin genitive case noun niwae, of Niwa, named in honour of Dr Hidekazu Niwa, our Japanese colleague; a veterinarian and microbiologist.)
 * N. nova ( Tsukamura 1983, ; Latin feminine gender adjective nova, new.)
 * N. orientalis ( (Pittenger and Brigham 1956) Pridham and Lyons 1969, species.; Latin feminine gender adjective orientalis, of or belonging to the East, Eastern, Oriental.)
 * N. otitidiscaviarum ( corrig. Snijders 1924, species.; New Latin noun otitis -idis, inflammation of the ear; New Latin noun Cavia, generic name for cavy, another name for guinea pig; New Latin genitive case pl. noun otitidiscaviarium, of ear disease of guinea pigs.)
 * N. paucivorans ( Yassin et al. 2000, ; Latin adjective paucus, little; Latin participle adjective vorans, devouring, eating; New Latin participle adjective paucivorans, eating little, referring to the few compounds that are utilized as sole sources of carbon and energy.)
 * N. petroleophila ( Hirsch and Engel 1956, species.; Greek noun petra, stone, rock; Latin noun oleum, oil; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin feminine gender adjective petroleiphila, petrol-loving.)
 * N. pigrifrangens ( Wang et al. 2004, ; Latin adjective piger -gra -grum, slow; Latin participle adjective frangens (from Latin v. frango) breaking up small; New Latin participle adjective pigrifrangens, slow to break up, referring to the fact that the substrate mycelium remains stable for up to 14 days before undergoing fragmentation.)
 * N. pinensis ( Blackall et al. 1989, ; Latin noun pinus, a pine, pine-tree; New Latin feminine gender adjective pinensis, of or belonging to a pine, referring to the pine-like appearance of young microcolonies.)
 * N. pneumoniae ( Kageyama et al. 2004, ; Greek feminine gender noun pneumonia, disease of the lungs; New Latin feminine gender noun pneumonia, disease of the lungs; New Latin genitive case noun pneumoniae, of a disease of the lungs, of pneumonia.)
 * N. polyresistens ( Xu et al. 2005, ; Greek adjective polus, many; Latin participle adjective resistens, resisting; New Latin participle adjective polyresistens, resisting many (antibiotics).)
 * N. pseudobrasiliensis ( Ruimy et al. 1996, ; Greek adjective pseudēs, false; New Latin feminine gender adjective brasiliensis, a specific epithet; New Latin feminine gender adjective pseudobrasiliensis a false (Nocardia) brasiliensis.)
 * N. pseudovaccinii ( Kim et al. 2002, ; Greek adjective pseudēs, false; New Latin genitive case noun vaccinii, a specific epithet; New Latin genitive case noun pseudovaccinii, a false (Nocardia) vaccinii, referring to the earlier misclassification of the type strain as a strain of Nocardia vaccinii.)
 * N. puris ( Yassin et al. 2003, ; Latin genitive case noun puris, of corrupt matter, pus, pertaining to the abscess from which the type strain was isolated.)
 * N. restricta ( (Turfitt 1944) McClung 1974, species.; Latin feminine gender participle adjective restricta, restricted, limited.)
 * N. rugosa ( (ex di Marco and Spalla 1957) Goodfellow and Lechevalier 1988,, nom. rev.; Latin feminine gender adjective rugosa, wrinkled, shrivelled.)
 * N. salmonicida ( (ex Rucker 1949) Isik et al. 1999,, nom. rev.; Latin noun salmo -onis, salmon; Latin suff. -cida (from Latin v. caedo, to cut, kill), killer; New Latin noun salmonicida, salmon-killer)
 * N. saturnea ( Hirsch 1960, species.; Latin noun saturnus, Saturn, Roman god of seed sowing; New Latin feminine gender adjective saturnea, pertaining to Saturn, referring to the colonies which have a Saturnian shape.)
 * N. seriolae ( Kudo et al. 1988, ; New Latin genitive case noun seriolae, of Seriola, named the genus of yellowtail fish (Seriola spp.) from which the organism was isolated.)
 * N. shimofusensis ( Kageyama et al. 2004, ; New Latin feminine gender adjective shimofusensis, of or pertaining to Shimofusa, a traditional geographical name for a northern part of Chiba Prefecture in Japan, the source of the isolates.)
 * N. sienata ( corrig. Kageyama et al. 2004, ; New Latin feminine gender adjective sienata, sienna-coloured, referring to the colony color of ochre-yellow of the Nocardia.)
 * N. soli ( Maldonado et al. 2001, ; Latin genitive case noun soli, of/from soil.)
 * N. speluncae ( Seo et al. 2007, ; Latin genitive case noun speluncae, of a cave, grotto or hole, referring to the site of isolation of the type strain.)
 * N. sulphurea ( Goodfellow and Lechevalier 1988, ; New Latin feminine gender adjective sulphurea, pertaining to sulfur, referring to the yellow color of the vegetative hyphae.)
 * N. takedensis ( Yamamura et al. 2005, ; New Latin feminine gender adjective takedensis, of or pertaining to the Takeda Shrine, from where the organism was first isolated.)
 * N. tenerifensis ( K&auml;mpfer et al. 2004, ; New Latin feminine gender adjective tenerifensis, of or belonging to Tenerife, from where the organism was isolated.)
 * N. terpenica ( Hoshino et al. 2007, ; New Latin noun terpenum, terpene; Latin suff. -icus -a -um, suffix used with various meanings; New Latin feminine gender adjective terpenica, referring to the ability to produce terpenoid antibiotics.)
 * N. testacea ( corrig. Kageyama et al. 2004, ; Latin feminine gender adjective testacea, brick-colored, referring to the brick colony color.)
 * N. thailandica ( Kageyama et al. 2005, ; New Latin feminine gender adjective thailandica, pertaining to Thailand, where the type strain was isolated.)
 * N. transvalensis ( Pijper and Pullinger 1927, species.; New Latin feminine gender adjective transvalensis, of or pertaining to the Transvaal, South Africa.)
 * N. uniformis ( (ex Marton and Szab&oacute; 1959) Isik et al. 1999,, nom. rev.; Latin feminine gender adjective uniformis, having only one form, uniform.)
 * N. vaccinii ( Demaree and Smith 1952, species.; New Latin genitive case noun vaccinii, of Vaccinium, the generic name of blueberry; referring to the plant from which the type strain was isolated.)
 * N. vermiculata ( Kageyama et al. 2005, ; Latin feminine gender participle adjective vermiculata, in the form of worms, referring to the morphology of the aerial mycelium.)
 * N. veterana ( G&uuml;rtler et al. 2001, ; Latin feminine gender adjective veterana, veteran, old in service (as soldiers), referring to the veteran&rsquo;s hospital where the organism was isolated.)
 * N. vinacea ( Kinoshita et al. 2002, ; Latin feminine gender adjective vinacea, of or belonging to wine or to the grape, referring to the pale reddish purple diffusible pigment.)
 * N. wallacei ( Conville et al. 2009, ; New Latin masculine gender genitive case noun wallacei, of Wallace, in honor of Richard J. Wallace, Jr., in recognition of his contributions to the understanding of the taxonomy and drugs susceptibility of Nocardia species.)
 * N. xishanensis ( Zhang et al. 2004, ; New Latin feminine gender adjective xishanensis, of or belonging to Xishan Mountain, the source of the soil from which the type strain was isolated.)
 * N. yamanashiensis ( Kageyama et al. 2004, ; New Latin feminine gender adjective yamanashiensis, of or pertaining to Yamanashi prefecture of Japan, the source of the type strain.)

Nocardioides
Nocardioides is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Nocardioides derives from: New Latin feminine gender noun Nocardia, name of a genus; Latin suff. -oides (from Greek suff. -eides, from Greek noun eidos, that which is seen, form, shape, figure) ressembling, similar; New Latin masculine gender noun Nocardioides, Nocardia-like, referring to the similarity of life cycles of the type species of this genus and Nocardia.'''

Species
The genus contains 50 species (including basonyms and synonyms), namely
 * N. aestuarii ( Yi and Chun 2004, ; Latin genitive case noun aestuarii, of a tidal flat.)
 * N. agariphilus ( Dastager et al. 2008, ; New Latin noun agarum, agar; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective agariphilus, agar-loving.)
 * N. albus ( Prauser 1976, species. (Type species of the genus).; Latin masculine gender adjective albus, white, referring to the white aerial mycelium.)
 * N. alkalitolerans ( Yoon et al. 2005, ; Arabic article al, the; Arabic noun qaliy, ashes of saltwort; Latin participle adjective tolerans, tolerating; New Latin participle adjective alkalitolerans, referring to the ability to tolerate high pH.)
 * N. aquaticus ( Lawson et al. 2000, ; Latin masculine gender adjective aquaticus, living, growing or found in or by the water, aquatic.)
 * N. aquiterrae ( Yoon et al. 2004, ; Latin feminine gender noun aqua, water; Latin feminine gender noun terra, earth, ground; New Latin genitive case noun aquiterrae, of groundwater.)
 * N. aromaticivorans ( Kubota et al. 2005, ; Latin adjective aromaticus, aromatic, fragrant; Latin participle adjective vorans, devouring; New Latin participle adjective aromaticivorans, devouring aromatic (compounds).)
 * N. basaltis ( Kim et al. 2009, ; Latin genitive case noun basaltis, of basalt, pertaining to the source of isolation.)
 * N. bigeumensis ( Dastager et al. 2008, ; New Latin masculine gender adjective bigeumensis, of or pertaining to Bigeum Island, Korea, the source of the soil sample from which the type strain was isolated.)
 * N. caeni ( Yoon et al. 2009, ; Latin genitive case noun caeni, of sludge, isolated from wastewater.)
 * N. caricicola ( Song et al. 2011, ; Latin noun carex -icis, reed-grass, rush or sedge, and also a botanical genus name (Carex); Latin suff. -cola (from Latin noun incola), inhabitant, dweller; New Latin noun caricicola, Carex-dweller, isolated from Carex scabrifolia Steud.)
 * N. daedukensis ( Yoon et al. 2010, ; New Latin masculine gender adjective daedukensis, of or pertaining to Daeduk Science Park, the location of the Korea Research Institute of Bioscience and Biotechnology, where taxonomic studies of this species were performed.)
 * N. daphniae ( T&oacute;th et al. 2008, ; New Latin genitive case noun daphniae, of the water flea genus Daphnia, as the type strain was isolated from Daphnia cucullata.)
 * N. dilutus ( corrig. Dastager et al. 2009, ; Latin masculine gender adjective dilutus weak, diluted, intended to mean that the organism is able to grew in 100 times diluted R2A medium.)
 * N. dokdonensis ( Park et al. 2008, ; New Latin masculine gender adjective dokdonensis, of or pertaining to Dokdo, the Korean island from where the type strain was isolated.)
 * N. dubius ( Yoon et al. 2005, ; Latin masculine gender adjective dubius, doubtful of the taxonomic position.)
 * N. exalbidus ( Li et al. 2007, ; Latin masculine gender adjective exalbidus, whitish, referring to the color of the colonies.)
 * N. fastidiosus ( corrig. Collins and Stackebrandt 1989, ; Latin masculine gender adjective fastidiosus, fastidious, referring to the nutritionally fastidious nature of the organism when it is first isolated.)
 * N. fonticola ( Chou et al. 2008, ; Latin masculine gender noun fons fontis, a spring, fountain; Latin suff. -cola (from Latin masculine gender or feminine gender noun incola), an inhabitant of a place, a resident; New Latin noun fonticola, an inhabitant of a fountain or spring.)
 * N. furvisabuli ( Lee 2007, ;: Latin adjective furvus, black-coloured; Latin neuter gender noun sabulum, gravel, sand; New Latin genitive case noun furvisabuli, of black-coloured sand, the source of isolation of the type strain.)
 * N. ganghwensis ( Yi and Chun 2004, ; New Latin masculine gender adjective ganghwensis, of or pertaining to Ganghwa island in Korea, the geographical origin of the type strain.)
 * N. ginsengisoli ( Cui et al. 2009, ; New Latin noun ginsengum, ginseng; Latin noun solum, soil; New Latin genitive case noun ginsengisoli, of soil of a ginseng field, the source of the organism.)
 * N. halotolerans ( Dastager et al. 2009, ; Greek noun hals, halos (ἅλς, ἁλός), salt; Latin participle adjective tolerans, tolerating; New Latin participle adjective halotolerans, salt-tolerating, referring to the ability of the organism to tolerate high salt concentrations.)
 * N. hankookensis ( Yoon et al. 2008, ; New Latin masculine gender adjective hankookensis, of or belonging to Hankook, the Korean name for South Korea, from where the type strain was isolated.)
 * N. humi ( Kim et al. 2009, ; Latin genitive case noun humi, of/from soil, the source of isolation of the type strain.)
 * N. hungaricus ( T&oacute;th et al. 2011, ; Medieval Latin masculine gender adjective hungaricus, of or belonging to Hungary, the name of the country where the species was first isolated.)
 * N. hwasunensis ( Lee et al. 2008, ; New Latin masculine gender adjective hwasunensis, of or belonging to Hwasun, the place where the type strain was isolated.)
 * N. insulae ( Yoon et al. 2007, ;: Latin feminine gender genitive case noun insulae, of an island, referring to the source of isolation of the type strain.)
 * N. islandensis ( corrig. Dastager et al. 2009, ; New Latin masculine gender adjective islandensis from or pertaining to Bigeum Island in Korea, from where the type strain was isolated.)
 * N. jensenii ( (Suzuki and Komagata 1983) Collins et al. 1989, ; New Latin genitive case masculine gender noun jensenii, of Jensen; named after H. Latin Jensen, the Danish bacteriologist who contributed to the taxonomy of coryneform bacteria.)
 * N. kongjuensis ( Yoon et al. 2006, ; New Latin masculine gender adjective kongjuensis, of or belonging to Kongju, Korea, from where the type strain was isolated.)
 * N. koreensis ( Dastager et al. 2008, ; New Latin masculine gender adjective koreensis, of or belonging to Korea.)
 * N. kribbensis ( Yoon et al. 2005, ; New Latin masculine gender adjective kribbensis, pertaining to KRIBB, arbitrary adjective formed from the acronym of the Korea Reseach Institute of Bioscience and Biotechnology (KRIBB), where taxonomic studies on this species were performed.)
 * N. lentus ( Yoon et al. 2006, ; Latin masculine gender adjective lentus, slow, delayed, referring to slow growth.)
 * N. luteus ( Prauser 1985, ; Latin masculine gender adjective luteus, yellow, referring to the yellow primary mycelium of the type strain.)
 * N. marinisabuli ( Lee et al. 2007, ; Latin adjective marinus -a -um, of the sea, marine; Latin neuter gender noun sabulum, gravel, sand; New Latin genitive case noun marinisabuli, of sea sand, referring to the sand sample from which the type strain was isolated.)
 * N. marinus ( Choi et al. 2007, ;: Latin masculine gender adjective marinus, of or belonging to the sea, marine, referring to the sea, from where the type strain was isolated.)
 * N. mesophilus ( Dastager et al. 2010, ; Greek adjective mesos, middle; Greek masculine gender adjective φίλος, friend, loving; New Latin masculine gender adjective mesophilus, middle (temperature)-loving, mesophilic.)
 * N. nitrophenolicus ( Yoon et al. 1999, ; New Latin noun nitrophenol, nitrophenol; Latin masculine gender suff. -icus, suffix used with the sense of pertaining to; New Latin masculine gender adjective nitrophenolicus, related to nitrophenols)
 * N. oleivorans ( Schippers et al. 2005, ; Latin noun oleum, oil; Latin participle adjective vorans, devouring; New Latin participle adjective oleivorans, oil-devouring, capable of utilizing oil (hydrocarbons).)
 * N. panacihumi ( An et al. 2007, ; New Latin noun Panax, scientific name of ginseng; New Latin genitive case noun panacis, of ginseng; Latin noun humus, soil; New Latin genitive case noun panacihumi, of soil of a ginseng field.)
 * N. panacisoli ( Cho et al. 2010, ; New Latin noun Panax -acis, scientific name of ginseng; Latin noun solum -i, soil; New Latin genitive case noun panacisoli, of soil of a ginseng field, the source of isolation of the organism.)
 * N. plantarum ( Collins et al. 1994, ; Latin feminine gender noun planta, any vegetable production that serves to propagate the species, a plant; Latin genitive case pl. noun plantarum, of plants.)
 * N. pyridinolyticus ( Yoon et al. 1997, ; New Latin noun pyridinum, pyridine; New Latin masculine gender adjective lyticus (from Greek masculine gender adjective lutikos (λυτικός)), able to loose, able to dissolve ; New Latin masculine gender adjective pyridinolyticus pyridine-dissolving.)
 * N. salarius ( Kim et al. 2008, ; Latin masculine gender adjective salarius, of or belonging to salt, referring to the isolation of this micro-organism from seawater.)
 * N. sediminis ( Dastager et al. 2009, ; Latin genitive case noun sediminis, of a sediment, referring to the source from which the type strain was isolated.)
 * N. simplex ( (Jensen 1934) O&#39;Donnell et al. 1983, ; Latin masculine gender adjective simplex, simple.)
 * N. terrae ( Zhang et al. 2009, ; Latin genitive case noun terrae, of/from the earth.)
 * N. terrigena ( Yoon et al. 2007, ; Latin masculine gender or feminine gender noun terrigena, child of the earth, referring to the isolation of the type strain from soil.)
 * N. tritolerans ( Dastager et al. 2009, ; Latin pref. tri- (from Latin num. adjective tris), three; Latin participle adjective tolerans, tolerating; New Latin participle adjective tritolerans, referring to the ability of the organism to tolerate high salinity, alkalinity and temperature.)

Nocardiopsis
Nocardiopsis is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Nocardiopsis derives from: New Latin feminine gender noun Nocardia, a genus of the order Actinomycetales; Greek feminine gender noun opsis, appearance; New Latin feminine gender noun Nocardiopsis, that which has the appearance of Nocardia.

Species
The genus contains 41 species (including basonyms and synonyms), namely
 * N. aegyptia ( Sabry et al. 2004, ; Latin feminine gender adjective aegyptia, from Egypt, referring to the country of isolation.)
 * N. africana ( (Preobrazhenskaya and Sveshnikova 1974) Preobrazhenskaya and Sveshnikova 1985, ;)
 * N. alba ( corrig. Grund and Kroppenstedt 1990, ; Latin feminine gender adjective alba, white, referring to the white aerial mycelium.)
 * N. alba ( subsp. alba corrig. Grund and Kroppenstedt 1990, ; Latin feminine gender adjective alba, white, referring to the white aerial mycelium.)
 * N. alba ( subsp. prasina corrig. (Miyashita et al. 1984) Grund and Kroppenstedt 1990, ; New Latin feminine gender adjective prasina (from Greek adjective prasina), leek green (referring to the color of the mature aerial mycelium).)
 * N. alborubida ( corrig. Grund and Kroppenstedt 1990, ; Latin adjective albus, white; Latin feminine gender adjective rubida, reddish; New Latin feminine gender adjective alborubida, white reddish.)
 * N. alkaliphila ( Hozzein et al. 2004, ; Arabic article al, the; Arabic noun ka&iuml;da, soda, saltwort; New Latin noun alkali, alkali; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin feminine gender adjective alkaliphila, loving alkaline environments.)
 * N. antarctica ( corrig. Abyzov et al. 1984, ; Latin feminine gender adjective antarctica, southern; here pertaining to Antarctica .)
 * N. arabia ( Hozzein and Goodfellow 2008, ; Latin feminine gender adjective arabia, pertaining to Arabia, referring to the isolation of the type strain in Egypt.)
 * N. arvandica ( Hamedi et al. 2011, ; New Latin feminine gender adjective arvandica, of or belonging to Arvand, referring to the geographical origin of the type strain, the Arvand River.)
 * N. baichengensis ( Li et al. 2006, ; New Latin feminine gender adjective baichengensis, pertaining to Baicheng, a county of Xinjiang Province in the west of China where the type strain was collected.)
 * N. chromatogenes ( Li et al. 2006, ; Greek noun chroma -atos, colour; Greek v. gennaio, to produce; New Latin participle adjective chromatogenes, producing colour.)
 * N. coeruleofusca ( (Preobrazhenskaya and Sveshnikova 1974) Preobrazhenskaya and Sveshnikova 1985, ; Latin adjective coeruleus, dark-colored, dark blue; Latin adjective fuscus, dark, swarthy, dusky, tawny; New Latin feminine gender adjective coeruleofusca, blue-brown (referring to the color of aerial and substrate mycelium).)
 * N. composta ( corrig. K&auml;mpfer et al. 2002, ; New Latin feminine gender adjective composta, originating from compost.)
 * N. dassonvillei ( (Brocq-Rousseau 1904) Meyer 1976, species. (Type species of the genus).; New Latin genitive case masculine gender noun dassonvillei, of Dassonville, named after Charles Dassonville (a French microbiologist and veterinarian at the Pasteur Institute).)
 * N. dassonvillei ( subsp. albirubida (Grund and Kroppenstedt 1990) Evtushenko et al. 2000, ; Latin adjective albus, white; Latin feminine gender adjective rubida, reddish; New Latin feminine gender adjective albirubida, white reddish.)
 * N. dassonvillei ( subsp. dassonvillei (Brocq-Rousseau 1904) Meyer 1976, ; New Latin genitive case masculine gender noun dassonvillei, of Dassonville, named after Charles Dassonville (a French microbiologist and veterinarian at the Pasteur Institute).)
 * N. dassonvillei ( subsp. prasina Miyashita et al. 1984, ; New Latin feminine gender adjective prasina (from Greek adjective prasina), leek green (referring to the color of the mature aerial mycelium).)
 * N. exhalans ( Peltola et al. 2002, ; Latin participle adjective exhalans, emitting odors.)
 * N. flava ( (Gauze et al. 1974) Gauze and Sveshnikova 1985, ; Latin feminine gender adjective flava, yellow (referring to the color of the substrate mycelium).)
 * N. ganjiahuensis ( Zhang et al. 2008, ; New Latin feminine gender adjective ganjiahuensis, pertaining to Ganjiahu Natural Reserve, Xinjiang, north-west China, where the type strain was isolated.)
 * N. gilva ( Li et al. 2006, ; Latin feminine gender adjective gilva, pale yellow.)
 * N. halophila ( Al-Tai and Ruan 1994, ; Greek noun hals halos, salt; New Latin feminine gender adjective phila (from Greek feminine gender adjective philē), friend, loving; New Latin feminine gender adjective halophila, loving salt.)
 * N. halotolerans ( Al-Zarban et al. 2002, ; Greek noun hals halos, salt; Latin participle adjective tolerans, tolerating; New Latin participle adjective halotolerans, salt-tolerating, referring to the ability to tolerate high salt concentrations.)
 * N. kunsanensis ( Chun et al. 2000, ; New Latin feminine gender adjective kunsanensis, pertaining to Kunsan, a location in Korea where the species was isolated.)
 * N. listeri ( Grund and Kroppenstedt 1990, ; New Latin genitive case masculine gender noun listeri, of Lister, named for Dr. Joseph Lister, father of antiseptic surgery.)
 * N. litoralis ( Chen et al. 2009, ; Latin feminine gender adjective litoralis, of or belonging to the sea-shore.)
 * N. longispora ( (Preobrazhenskaya and Sveshnikova 1974) Preobrazhenskaya and Sveshnikova 1985, ; Latin adjective longus, long; Greek noun spora (σπορά), a seed and in biology a spore; New Latin noun longispora (nominative in apposition), the long spore, referring to the oblong shape of the spores.)
 * N. lucentensis ( Yassin et al. 1993, ; New Latin feminine gender adjective lucentensis, of or belonging to Lucentum, the ancient Latin name of Alicante, a city in Spain, where the type strain was isolated.)
 * N. metallicus ( Schippers et al. 2002, ; Latin masculine gender noun metallicus (nominative in apposition), the miner, referring to the ability to mobilize metals from slag.)
 * N. mutabilis ( Shearer et al. 1983, ; Latin feminine gender adjective mutabilis, changeable, variable, inconstant, referring to the variety of colony morphologies observed, particularly on rich organic media.)
 * N. nikkonensis ( Yamamura et al. 2010, ; New Latin feminine gender adjective nikkonensis, of or pertaining to Nikko City, Tochigi, Japan, where the type strain was isolated.)
 * N. potens ( Yassin et al. 2009, ; Latin participle adjective potens, being able, powerful, pertaining to the metabolic activities of the organism.)
 * N. prasina ( (Miyashita et al. 1984) Yassin et al. 1997, ; New Latin feminine gender adjective prasina (from Greek adjective prasina), leek green (referring to the color of the mature aerial mycelium).)
 * N. quinghaiensis ( Chen et al. 2008, ; New Latin feminine gender adjective quinghaiensis, pertaining to Qinghai, a province of China in which the sample was collected.)
 * N. rhodophaea ( Li et al. 2006, ; Greek noun rhodos, the rose; Greek adjective phaeos, brown; New Latin feminine gender adjective rhodophaea, rose-brown (after the colour of the substrate mycelium).)
 * N. rosea ( Li et al. 2006, ; Latin feminine gender adjective rosea, rose coloured.)
 * N. salina ( Li et al. 2004, ; Latin feminine gender adjective salina, salted, saline.)
 * N. sinuspersici ( Hamedi et al. 2010, ; Latin masculine gender noun sinus persicus, the Persian Gulf; Latin genitive case noun sinuspersici, of/from the Persian Gulf, referring to where the type strain was isolated.)
 * N. synnemataformans ( Yassin et al. 1997, ; Greek prep. syn, in company with, together with; Greek noun nema, thread; N.Greek noun synnema, threads wrapping together; Latin participle adjective formans, forming; New Latin participle adjective synnemataformans, synnema forming, referring to the ability of the organism to form synnemata.)
 * N. syringae ( Gauze and Sveshnikova 1985, ; New Latin feminine gender noun Syringa, generic name of lilac; New Latin feminine gender genitive case noun syringae, of the lilac (referring to the color of aerial mycelium).)
 * N. trehalosi ( (ex Dolak et al. 1981) Evtushenko et al. 2000,, nom. rev.; New Latin genitive case noun trehalosi, of trehalose, referring to 3-trehalosamine, an aminoglycoside antibiotic that is produced by the type strain of the species.)
 * N. tropica ( Evtushenko et al. 2000, ; Latin feminine gender adjective tropica, tropical, of or pertaining to the tropic(s), referring to the tropical region where the type strain was isolated.)
 * N. umidischolae ( Peltola et al. 2002, ; Latin adjective umidus, moist; Latin feminine gender noun schola, school; New Latin genitive case feminine gender noun umidischolae, of a moist school.)
 * N. valliformis ( Yang et al. 2008, ; Latin noun vallum, palisade; Latin adjective suffix -formis -is -e (from Latin noun forma, figure, shape, appearance), -like, in the shape of; New Latin feminine gender adjective valliformis, shaped like a palisade, referring to the characteristic mycelium, which is often arranged in a shape like a palisade.)
 * N. xinjiangensis ( Li et al. 2003, ; New Latin feminine gender adjective xinjiangensis, pertaining to Xinjiang, the Province of western China in which the sample was collected.)

Nonlabens
Nonlabens is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Nonlabens derives from: Latin adv. non, not; Latin participle adjective labens, gliding; New Latin noun (New Latin participle adjective used as a substantive) Nonlabens, non-gliding.

Species
The genus contains a single species, namely N. tegetincola ( Lau et al. 2005, (Type species of the genus).; Latin noun teges -etis, mat; Latin noun incola, an inhabitant; New Latin noun tegetincola, mat-inhabitant.)

Nonomuraea
Nonomuraea is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Nonomuraea derives from: New Latin feminine gender noun Nonomuraea, named after H. Nonomura, a Japanese taxonomist of actinomycetes.

Species
The genus contains 25 species (including basonyms and synonyms), namely
 * N. africana ( corrig. (Preobrazhenskaya and Sveshnikova 1974) Zhang et al. 1998, ;)
 * N. angiospora ( corrig. (Zhukova et al. 1968) Zhang et al. 1998, ;)
 * N. antimicrobica ( Qin et al. 2009, ; Greek prep. anti, against; New Latin noun microbium, microbe; Latin adjective suff.-icus -a -um, suffix used with various meanings; New Latin feminine gender adjective antimicrobica, antimicrobial.)
 * N. bangladeshensis ( Ara et al. 2007, ; New Latin feminine gender adjective bangladeshensis, pertaining to Bangladesh, from where the strain was isolated.)
 * N. candida ( le Roes and Meyers 2009, ; Latin feminine gender adjective candida, white.)
 * N. coxensis ( Ara et al. 2007, ; New Latin feminine gender adjective coxensis, pertaining to Cox&#39;s Bazar, Bangladesh, the origin of the soil from where the type strain was isolated.)
 * N. dietziae ( corrig. Stackebrandt et al. 2001, ;)
 * N. endophytica ( Li et al. 2011, ; Greek pref. endo, within; Greek phuton, plant; Latin feminine gender suff. -ica, adjectival suffix used with the sense of belonging to; New Latin feminine gender adjective endophytica, within plant, endophytic, pertaining to the isolation of the type strain from plant tissues.)
 * N. fastidiosa ( corrig. (Soina et al. 1975) Zhang et al. 1998, ;)
 * N. ferruginea ( corrig. (Meyer 1981) Zhang et al. 1998, ;)
 * N. flexuosa ( corrig. (Meyer 1989) Zhang et al. 1998, ; Latin feminine gender adjective flexuosa, full of turns or windings, tortuous, flexuous, referring to the morphology of the spore chains.)
 * N. helvata ( corrig. (Nonomura and Ohara 1971) Zhang et al. 1998, ;)
 * N. kuesteri ( K&auml;mpfer et al. 2005, ; New Latin genitive case noun kuesteri, of K&uuml;ster, in honour of Eberhard K&uuml;ster, a German microbiologist, in recognition of his numerous contributions to the taxonomy of actinomycetes.)
 * N. longicatena ( Chiba et al. 1999, ; Latin adjective longus, long; Latin noun catena, chain; New Latin noun longicatena (nominative in apposition), long chain, referring to long spore chains.)
 * N. maheshkhaliensis ( Ara et al. 2007, ; New Latin feminine gender adjective maheshkhaliensis, pertaining to Maheshkhali, Bangladesh.)
 * N. polychroma ( corrig. (Galatenko et al. 1987) Zhang et al. 1998, ;)
 * N. pusilla ( corrig. (Nonomura and Ohara 1971) Zhang et al. 1998, (Type species of the genus).;)
 * N. recticatena ( corrig. (Terekhova et al. 1987) Zhang et al. 1998, ;)
 * N. rosea ( K&auml;mpfer et al. 2010, ; Latin feminine gender adjective rosea, rose-coloured or rosy, referring to the pinkish colour of the colonies.)
 * N. roseola ( corrig. (Lavrova and Preobrazhenskaya 1975) Zhang et al. 1998, ;)
 * N. roseoviolacea ( corrig. (Nonomura and Ohara 1971) Zhang et al. 1998, ;)
 * N. roseoviolacea ( subsp. carminata (Gauze et al. 1973) Gyobu and Miyadoh 2001, ;)
 * N. roseoviolacea ( subsp. roseoviolacea (Nonomura and Ohara 1971) Zhang et al. 1998, ;)
 * N. rubra ( corrig. (Sveshnikova et al. 1969) Zhang et al. 1998, ;)
 * N. salmonea ( corrig. (Preobrazhenskaya et al. 1975) Zhang et al. 1998, ;)
 * N. spiralis ( corrig. (Meyer 1981) Zhang et al. 1998, ;)
 * N. turkmeniaca ( corrig. (Terekhova et al. 1987) Zhang et al. 1998, ;)

Nosocomiicoccus
Nosocomiicoccus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Nosocomiicoccus derives from: Latin noun nosocomium, hospital; New Latin masculine gender noun coccus (from Greek noun kokkos (κόκκος)), a coccus a grain, berry; New Latin masculine gender noun Nosocomiicoccus, a coccus isolated in a hospital.

Species
The genus contains a single species, namely N. ampullae ( Morais et al. 2008 (complete authorship reads Morais, Chung and da Costa), (Type species of the genus).; Latin genitive case noun ampullae, of a bottle, of a flask, referring to the isolation of the first strains from bottles containing physiological saline.)

Novispirillum
Novispirillum is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Novispirillum derives from:
 * Latin adjective novus, new; New Latin dim. neuter gender noun spirillum, a small spiral; New Latin neuter gender noun Novispirillum, a new small spiral.

Species
The genus contains a single species, namely N. itersonii ( (Giesberger 1936) Yoon et al. 2007, (Type species of the genus).; New Latin genitive case noun itersonii, of Iterson, named after G. Van Iterson, a Dutch bacteriologist.)

Novosphingobium
Novosphingobium is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Novosphingobium derives from: Latin adjective novus, new; New Latin noun sphingosinum (from Greek genitive case noun sphingos, of sphinx, and suff.-ine) sphingosine; New Latin pref. sphingo-, pertaining to sphingosine; Greek noun bios (βίος), life; New Latin neuter gender noun Novosphingobium, new sphingosine-containing life.

Species
The genus contains 19 species (including basonyms and synonyms), namely
 * N. acidiphilum ( Glaeser et al. 2009, ; New Latin noun acidum (from Latin adjective acidus, sour), an acid; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin neuter gender adjective acidiphilum, acid-loving.)
 * N. aromaticivorans ( corrig. (Balkwill et al. 1997) Takeuchi et al. 2001, ; Latin adjective aromaticus, aromatic, fragrant; Latin participle adjective vorans, devouring; New Latin participle adjective aromaticivorans, devouring aromatic (compounds).)
 * N. capsulatum ( (Leifson 1962) Takeuchi et al. 2001, (Type species of the genus).; Latin noun capsula, a small box or chest; Latin neuter gender suff. -atum, suffix denoting provided with; New Latin neuter gender adjective capsulatum, with a chest, capsuled.)
 * N. hassiacum ( K&auml;mpfer et al. 2002, ; New Latin neuter gender adjective hassiacum, of or belonging to Hesse (Hassia), referring to the German state of Hesse, where the organism was first isolated.)
 * N. indicum ( Yuan et al. 2009, ; Latin neuter gender adjective indicum, Indian, referring to the Indian Ocean, where the type strain was isolated.)
 * N. lentum ( Tiirola et al. 2005, ; Latin neuter gender adjective lentum, slow, pertaining to the limited growth capacity of the organism.)
 * N. mathurense ( Gupta et al. 2009, ; New Latin neuter gender adjective mathurense, pertaining to Mathura, the place of isolation of the type strain.)
 * N. naphthalenivorans ( Suzuki and Hiraishi 2008, ; New Latin noun naphthalenum, naphthalene; Latin participle adjective vorans, devouring; New Latin participle adjective naphthalenivorans, naphthalene-devouring.)
 * N. nitrogenifigens ( Addison et al. 2007, ; New Latin noun nitrogenum, nitrogen; Latin participle adjective figens, fixing; New Latin participle adjective nitrogenifigens, referring to the ability of this organism to fix nitrogen.)
 * N. panipatense ( Gupta et al. 2009, ; New Latin neuter gender adjective panipatense, pertaining to Panipat, the place of isolation of the type strain.)
 * N. pentaromativorans ( Sohn et al. 2004, ; Greek numeral penta, five; Latin genitive case noun aromatis, of spice; Latin participle adjective vorans, devouring; New Latin participle adjective pentaromativorans, devouring/degrading aromatic compounds with five rings.)
 * N. resinovorum ( (Delaporte and Daste 1956) Lim et al. 2007, ;: Latin noun resina, resin or gum of trees; Latin v. vorare, to devour; New Latin neuter gender adjective resinovorum, resin-devouring.)
 * N. rosa ( corrig. (Takeuchi et al. 1995) Takeuchi et al. 2001, ; Latin noun rosa, the rose, the source of the organism.)
 * N. soli ( K&auml;mpfer et al. 2011, ; Latin genitive case noun soli, of soil, the source of the type strain.)
 * N. stygium ( corrig. (Balkwill et al. 1997) Takeuchi et al. 2001, ; Latin neuter gender adjective stygium, pertaining to the underworld, subterranean.)
 * N. subarcticum ( (Nohynek et al. 1996) Takeuchi et al. 2001, ; Latin prep. sub, under, below; Latin adjective arcticus, northern, arctic; New Latin neuter gender adjective subarcticum, below the arctic, subartic, because the organism was isolated from a subarctic area, Finland.)
 * N. subterraneum ( corrig. (Balkwill et al. 1997) Takeuchi et al. 2001, ; Latin neuter gender adjective subterraneum, underground, subterranean.)
 * N. taihuense ( Liu et al. 2005, ; New Latin neuter gender adjective taihuense, pertaining to Taihu Lake, the source of the sediment from which the type strain was isolated.)
 * N. tardaugens ( Fujii et al. 2003, ; Latin adjective tardus, slow; Latin participle adjective augens, growing; New Latin participle adjective tardaugens, slowly growing.)

Nubsella
Nubsella is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Nubsella derives from: New Latin feminine gender dim. noun Nubsella, arbitrary name derived from the acronym NUBS for Nihon University College of Bioresource Sciences, where the type species was first isolated.

Species
The genus contains a single species, namely N. zeaxanthinifaciens ( Asker et al. 2008, (Type species of the genus).; New Latin neuter gender noun zeaxanthinum, zeaxanthin; Latin participle pres. faciens, making/producing; New Latin participle adjective zeaxanthinifaciens, zeaxanthin-producing.)

Obesumbacterium
Obesumbacterium is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Obesumbacterium derives from: Latin neuter gender adjective obesum, fat; Latin neuter gender noun bacterium, a rod; New Latin neuter gender noun Obesumbacterium, a fat, rod-shaped bacterium.

Species
The genus contains a single species, namely O. proteus ( (Shimwell and Grimes 1936) Shimwell 1963, species. (Type species of the genus).; Latin masculine gender noun Proteus, the ancient Greek sea-god noted for being able to change his form at will; Latin masculine gender noun proteus, intended to mean one who is able to be pleomorphic.)

Oceanibaculum
Oceanibaculum is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Oceanibaculum derives from: Latin noun oceanus, ocean; Latin neuter gender noun baculum, stick; New Latin neuter gender noun Oceanibaculum, rod-shaped bacterium from the ocean.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * O. indicum ( Lai et al. 2009, (Type species of the genus).; Latin neuter gender adjective indicum, Indian, referring to the Indian Ocean, from where the type strain was isolated.)
 * O. pacificum ( Dong et al. 2010, ; Latin neuter gender adjective pacificum, peaceful, pertaining to the Pacific Ocean, where the type strain was isolated.)

Oceanibulbus
Oceanibulbus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Oceanibulbus derives from: Latin masculine gender noun oceanus, the ocean; Latin masculine gender noun bulbus, a bulb, an onion; New Latin masculine gender noun Oceanibulbus, onion-like bacterium from the sea.

Species
The genus contains a single species, namely O. indolifex ( Wagner-D&ouml;bler et al. 2004, (Type species of the genus).; New Latin neuter gender noun indolum, indole; Latin suffixe -fex from Latin v. facio ere, to make; New Latin masculine gender adjective indolifex, making indole, the indole maker.)

Oceanicaulis
Oceanicaulis is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Oceanicaulis derives from: Latin masculine gender noun oceanus, the ocean; Latin masculine gender noun caulis, stalk, referring to a prostheca; New Latin masculine gender noun Oceanicaulis, stalk(ed organism) from the ocean.

Species
The genus contains a single species, namely O. alexandrii ( Str&ouml;mpl et al. 2003, (Type species of the genus).; Latin noun Alexandrium, the (dinoflagellate) from Alexandria; Latin masculine gender genitive case alexandrii, of Alexandrium, the source of isolation and postulated natural habitat.)

Oceanicola
Oceanicola is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Oceanicola derives from: Latin masculine gender noun oceanus, the ocean; Latin masculine gender or feminine gender suffix -cola, inhabitant; New Latin masculine gender noun Oceanicola, inhabitant of the ocean.

Species
The genus contains 6 species (including basonyms and synonyms), namely
 * O. batsensis ( Cho and Giovannoni 2004, ; New Latin masculine gender adjective batsensis, from BATS, an abbreviation for Bermuda Atlantic Time-series Study site.)
 * O. granulosus ( Cho and Giovannoni 2004, (Type species of the genus).; New Latin masculine gender adjective granulosus, granular.)
 * O. marinus ( Lin et al. 2007, ; Latin masculine gender adjective marinus, of the sea, marine, referring to the isolation of the type strain from seawater.)
 * O. nanhaiensis ( Gu et al. 2007, ;: New Latin masculine gender adjective nanhaiensis, pertaining to Nan Hai, the Chinese name for the South China Sea, the source of the sediment from which the type strain was isolated.)
 * O. nitratireducens ( Zheng et al. 2010, ; New Latin noun nitras -atis, nitrate; Latin participle adjective reducens, leading back, bringing back and in chemistry converting to a different oxidation state; New Latin part adjective nitratireducens, reducing nitrate.)
 * O. pacificus ( Yuan et al. 2009, ; Latin masculine gender adjective pacificus, peaceful; pertaining to the Pacific Ocean.)

Oceanimonas
Oceanimonas is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Oceanimonas derives from: Latin noun oceanus, ocean; Latin feminine gender noun monas (μονάς / μονάδα), monad, unit; New Latin feminine gender noun Oceanimonas, ocean monad.

Members of the genus Oceanimonas can be referred to as oceanimonad (viz. Trivialisation of names).

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * O. baumannii ( corrig. Brown et al. 2001, ; New Latin genitive case masculine gender noun baumannii, of Baumann; named after Paul and Linda Baumann, who first studied these organisms.)
 * O. doudoroffii ( corrig. (Baumann et al. 1972) Brown et al. 2001, (Type species of the genus).; New Latin genitive case masculine gender noun doudoroffii, of Doudoroff; named after M. Doudoroff.)
 * O. smirnovii ( Ivanova et al. 2005, ; New Latin genitive case noun smirnovii, of Smirnov, in honour of Ukrainian microbiologist Valery V. Smirnov.)

Oceaniserpentilla
Oceaniserpentilla is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Oceaniserpentilla derives from: Latin noun oceanus, the ocean; Latin feminine gender noun serpens -tis, a snake; New Latin feminine gender noun serpentilla, a small snake; New Latin feminine gender noun Oceaniserpentilla, small snake of the ocean, indicating shape and origin.

Species
The genus contains a single species, namely O. haliotis ( Schl&ouml;sser et al. 2008, (Type species of the genus).; New Latin noun Haliotis, scientific name of a genus; New Latin genitive case noun haliotis, of Haliotis, referring to the isolation of the type strain from Haliotis rubra.)

Oceanisphaera
Oceanisphaera is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Oceanisphaera derives from: Latin masculine gender noun oceanus, ocean; Latin feminine gender noun sphaera, ball, globe, sphere; New Latin feminine gender noun Oceanisphaera, oceanic sphere.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * O. donghaensis ( Park et al. 2006, ; New Latin feminine gender adjective donghaensis, pertaining to Donghae, from Donghae, the Korean name for the East Sea in Korea from which the strains were isolated.)
 * O. litoralis ( Romanenko et al. 2003, (Type species of the genus).; Latin feminine gender adjective litoralis, of or belonging to the seashore.)

Oceanithermus
Oceanithermus is a genus in the phylum (Bacteria).

Etymology
The name Oceanithermus derives from: Latin noun oceanus, the ocean; New Latin masculine gender substantive (from Greek adjective thermos (θερμός)) thermus, hot; New Latin masculine gender noun Oceanithermus, warmth-loving organisms living in the ocean.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * O. desulfurans ( Mori et al. 2004, ; New Latin participle adjective desulfurans, making free of/reducing sulfur.)
 * O. profundus ( Miroshnichenko et al. 2003, (Type species of the genus).; Latin masculine gender adjective profundus, deep (pertaining to the abyss, pertaining to the depths of the ocean).)

Oceanobacillus
Oceanobacillus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Oceanobacillus derives from: Latin Greek noun okeanos, ocean; Latin masculine gender noun bacillus, rod; New Latin masculine gender noun Oceanobacillus, an ocean rod.

Species
The genus contains 11 species (including basonyms and synonyms), namely
 * O. caeni ( Nam et al. 2008, ; Latin genitive case noun caeni, of mud.)
 * O. chironomi ( Raats and Halpern 2007, ;: New Latin genitive case noun chironomi, of Chironomus, named after the non-biting midge insect of the genus Chironomus (Chironomidae: Diptera) from which the type strain was isolated.)
 * O. iheyensis ( Lu et al. 2002, (Type species of the genus).;: New Latin masculine gender adjective iheyensis, pertaining to the Iheya Ridge, Okinawa Trough, Japan.)
 * O. kapialis ( Namwong et al. 2009, ; Korean noun ka-pi, shrimp paste; New Latin noun kapium, shrimp paste; Latin suff. -alis, adjectival suffix meaning pertaining to; New Latin masculine gender adjective kapialis, pertaining to shrimp paste, the source of isolation.)
 * O. kimchii ( Whon et al. 2011, ; New Latin genitive case noun kimchii, of/from kimchi, a traditional Korean fermented food.)
 * O. locisalsi ( Lee et al. 2010, ; Latin masculine gender noun locus, place; Latin masculine gender adjective salsus, salted, salt; New Latin genitive case noun locisalsi, of a salted place.)
 * O. neutriphilus ( Yang et al. 2010, ; Latin adjective neuter -tra -trum, neither the one nor the other, neither of two, which are neither active nor passive, used to refer to neutral pH; Greek masculine gender adjective φίλος, friend loving; New Latin masculine gender adjective neutriphilus, preferring neutral pH.)
 * O. oncorhynchi ( Yumoto et al. 2005, ; New Latin genitive case noun oncorhynchi, of Oncorhynchus, named after the rainbow trout Oncorhynchus mykiss, from which the type strain was isolated.)
 * O. oncorhynchi ( subsp. incaldanensis Romano et al. 2006, ; New Latin masculine gender adjective incaldanensis, pertaining to the Incaldana site, southern Italy, where the type strain was isolated.)
 * O. oncorhynchi ( subsp. oncorhynchi Yumoto et al. 2005, ; New Latin genitive case noun oncorhynchi, of Oncorhynchus, named after the rainbow trout Oncorhynchus mykiss, from which the type strain was isolated.)
 * O. picturae ( (Heyrman et al. 2003) Lee et al. 2006, ; Latin genitive case noun picturae, of a painting.)
 * O. profundus ( Kim et al. 2007, ;: Latin masculine gender adjective profundus, deep, profound; intended to mean of/from the depths of the sea.)
 * O. sojae ( corrig. Tominaga et al. 2009, ; New Latin genitive case noun sojae, of soja, referring to the source of isolation.)

Oceanobacter
Oceanobacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Oceanobacter derives from: Greek noun okeanos, the ocean; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Oceanobacter, rod of the sea.

Species
The genus contains a single species, namely O. kriegii ( (Bowditch et al. 1984) Satomi et al. 2002, (Type species of the genus).; New Latin genitive case masculine gender noun kriegii, of Krieg; named after N.R. Krieg.)

Oceanospirillum
Oceanospirillum is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Oceanospirillum derives from: G. noun okeanos, ocean; Latin noun spira, a spiral; New Latin dim. neuter gender noun spirillum, a small spiral; New Latin neuter gender noun Oceanospirillum, a small spiral (organism) from the ocean (seawater).

Species
The genus contains 13 species (including basonyms and synonyms), namely
 * O. beijerinckii ( (Williams and Rittenberg 1957) Hylemon et al. 1973, species.; New Latin genitive case noun beijerinckii, of Beijerinck; named after Prof M.W. Beijerinck of Delft, Holland.)
 * O. beijerinckii ( subsp. beijerinckii (Williams and Rittenberg 1957) Hylemon et al. 1973, ; New Latin genitive case noun beijerinckii, of Beijerinck; named after Prof M.W. Beijerinck of Delft, Holland.)
 * O. beijerinckii ( subsp. pelagicum (Terasaki 1973) Pot et al. 1989, ; Latin neuter gender adjective pelagicum, of or belonging to the sea.)
 * O. commune ( (Baumann et al. 1972) Bowditch et al. 1984, ; Latin neuter gender adjective commune, common.)
 * O. hiroshimense ( (Terasaki 1973) Terasaki 1979, species.; New Latin neuter gender adjective hiroshimense, pertaining to Hiroshima. Japan.)
 * O. jannaschii ( Bowditch et al. 1984, ; New Latin genitive case masculine gender noun jannaschii, of Jannasch; named after H.W. Jannasch.)
 * O. japonicum ( (Watanabe 1959) Hylemon et al. 1973, species.; New Latin neuter gender adjective japonicum, pertaining to Japan.)
 * O. kriegii ( Bowditch et al. 1984, ; New Latin genitive case masculine gender noun kriegii, of Krieg; named after N.R. Krieg.)
 * O. linum ( (Williams and Rittenberg 1957) Hylemon et al. 1973, species. (Type species of the genus).; Latin noun linum, flax, thread.)
 * O. maris ( Hylemon et al. 1973, species.; Latin genitive case noun maris, of the sea.)
 * O. maris ( subsp. hiroshimense (Terasaki 1973) Pot et al. 1989, ; New Latin neuter gender adjective hiroshimense, pertaining to Hiroshima. Japan.)
 * O. maris ( subsp. maris Hylemon et al. 1973, ; Latin genitive case noun maris, of the sea.)
 * O. maris ( subsp. williamsae Linn and Krieg 1984, ; New Latin genitive case feminine gender noun williamsae, of Williams; named after Marion A. Williams, who was the first to describe species of marine spirilla.)
 * O. minutulum ( (Watanabe 1959) Hylemon et al. 1973, species.; Latin dim. neuter gender adjective minutulum, very little.)
 * O. multiglobuliferum ( (Terasaki 1973) Terasaki 1979, species.; Latin adjective multus, much, many; Latin dim. noun globulus, a small sphere, globule; Latin v. fero, to bear, carry; New Latin neuter gender adjective multiglobuliferum, bearing many globules.)
 * O. pelagicum ( (Terasaki 1973) Terasaki 1979, species.; Latin neuter gender adjective pelagicum, of or belonging to the sea.)
 * O. pusillum ( (Terasaki 1973) Terasaki 1979, species.; Latin neuter gender adjective pusillum, very small.)
 * O. vagum ( (Baumann et al. 1972) Bowditch et al. 1984, ; Latin neuter gender adjective vagum, wandering.)

Oceanotoga
Oceanotoga is a genus in the phylum Thermotogae (Bacteria).

Etymology
The name Oceanotoga derives from: Greek noun okeanos, the ocean; Latin feminine gender noun toga, a covering, garment; New Latin feminine gender noun Oceanotoga, an ocean toga, referring to the isolation of the organism from the ocean and the presence of a &quot;toga&quot; sheath-like outer cover.

Species
The genus contains a single species, namely O. teriensis ( Jayasinghearachchi and Lal 2011, (Type species of the genus).; New Latin feminine gender adjective teriensis, pertaining to TERI, named in honour of The Energy and Resource Institute (TERI), New Delhi, India.)

Ochrobactrum
Ochrobactrum is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Ochrobactrum derives from: Greek adjective ochros, pale, colorless; Greek neuter gender noun baktron, a staff, stick, rod; New Latin neuter gender noun Ochrobactrum, a colorless rod.

Species
The genus contains 15 species (including basonyms and synonyms), namely
 * O. anthropi ( Holmes et al. 1988, (Type species of the genus).; Greek noun anthropos, a human being; New Latin genitive case noun anthropi, of a human being.)
 * O. ciceri ( Imran et al. 2010, ; Latin genitive case noun ciceri, of chickpea (Cicer arietinum), referring to the habitat from which the type strain was isolated.)
 * O. cytisi ( Zurdo-Pi&ntilde;eiro et al. 2007, ;: New Latin masculine gender noun Cytisus, botanical genus name of the legume Cytisus scoparius; New Latin genitive case noun cytisi, of Cytisus, referring to the isolation source of the first strains, nodules of Cytisus scoparius.)
 * O. gallinifaecis ( K&auml;mpfer et al. 2003, ; Latin feminine gender noun gallina, hen; Latin noun faex faecis, faeces; New Latin genitive case noun gallinifaecis, of the faeces of a hen.)
 * O. grignonense ( Lebuhn et al. 2000, ; New Latin neuter gender adjective grignonense, pertaining to Grignon, region from which the strains were isolated.)
 * O. haematophilum ( K&auml;mpfer et al. 2007, ; Greek noun haima -atos (Latin transliteration haema -atos), blood; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin neuter gender adjective haematophilum, blood-loving.)
 * O. intermedium ( Velasco et al. 1998, ; Latin neuter gender adjective intermedium, that is between, intermediate.)
 * O. lupini ( Trujillo et al. 2006, ; Latin genitive case noun lupini, of a lupine, referring to the isolation source of this micro-organism, nodules of Lupinus albus.)
 * O. oryzae ( Tripathi et al. 2006, ; Latin genitive case noun oryzae, of rice, pertaining to the habitat from which the first strains were isolated.)
 * O. pituitosum ( Huber et al. 2010, ; Latin neuter gender adjective pituitosum, full of phlegm, pituilous; intended to mean slimy, referring to the consistency of the colonies after extended incubation.)
 * O. pseudintermedium ( Teyssier et al. 2007, ; Greek adjective pseudēs, false; Latin neuter gender adjective intermedium, intermediate, and a specific epithet of the genus Ochrobactrum; New Latin neuter gender adjective pseudintermedium, a false Ochrobactrum intermedium.)
 * O. pseudogrignonense ( K&auml;mpfer et al. 2007, ; Greek adjective pseudēs, false; New Latin neuter gender adjective grignonense, a bacterial species epithet; New Latin neuter gender adjective pseudogrignonense, a false (Ochrobactrum) grignonense.)
 * O. rhizosphaerae ( K&auml;mpfer et al. 2008, ; Greek noun rhiza, root; Latin noun sphaera, a ball, sphere; New Latin noun rhizosphaera, rhizosphere; New Latin genitive case noun rhizosphaerae, of the rhizosphere.)
 * O. thiophenivorans ( K&auml;mpfer et al. 2008, ; New Latin noun thiophenum, thiophene; Latin participle adjective vorans, devouring; New Latin participle adjective thiophenivorans, thiophene-devouring, referring to the ability to utilize thiophene 2-carboxylate as a sole source of carbon and sulfur.)
 * O. tritici ( Lebuhn et al. 2000, ; Latin noun triticum, wheat, and also the generic name for wheat (Triticum); Latin genitive case noun tritici, of wheat, of Triticum, from which the strains were isolated.)

Octadecabacter
Octadecabacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Octadecabacter derives from: Greek noun oktō, the number eight; Greek noun dekas, the number ten; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Octadecabacter, an 18-carbon fatty acid-containing rod.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * O. antarcticus ( Gosink et al. 1998, ; Latin masculine gender adjective antarcticus, southern, antarctic.)
 * O. arcticus ( Gosink et al. 1998, (Type species of the genus).; Latin masculine gender adjective arcticus, northern, arctic.)

Odoribacter
Odoribacter is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Odoribacter derives from: Latin noun odor, smell; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Odoribacter, rod of (bad) smell.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * O. denticanis ( Hardham et al. 2008, ; Latin noun dens -tis, tooth; Latin genitive case noun canis, of a dog; New Latin genitive case noun denticanis, of the tooth of a dog.)
 * O. laneus ( Nagai et al. 2010, ; Latin masculine gender adjective laneus, woollen, soft as wool, referring to the growth appearance in liquid medium and to the cellular characteristics of the resulting fluffy precipitate after centrifugation.)
 * O. splanchnicus ( (Werner et al. 1975) Hardham et al. 2008, (Type species of the genus).; Greek pl. noun splanchna, the &quot;innards&quot;; Latin masculine gender suff. -icus, suffix used with the sense of pertaining to; New Latin masculine gender adjective splanchnicus, pertaining to the internal organs.)

Oenococcus
Oenococcus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Oenococcus derives from: Greek noun oinos, wine; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος)), berry; New Latin masculine gender noun Oenococcus, coccus from wine.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * O. kitaharae ( Endo and Okada 2006, ; New Latin genitive case noun kitaharae, of Kitahara, to honour the Japanese microbiologist Kakuo Kitahara, for his contribution to the systematics and classification of lactic acid bacteria and in the development of the study of lactic acid bacteria.)
 * O. oeni ( (Garvie 1967) Dicks et al. 1995, (Type species of the genus).; Greek noun oinos, wine; New Latin genitive case noun oeni, of wine.)

Oerskovia
Oerskovia is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Oerskovia derives from: New Latin feminine gender noun Oerskovia, in honor of J. &Oslash;rskov who first described this organism.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * O. enterophila ( (J&aacute;ger et al. 1983) Stackebrandt et al. 2002, ; Greek noun enteron, intestine; New Latin feminine gender adjective phila (from Greek feminine gender adjective philē (φίλη)), friend, loving; New Latin feminine gender adjective enterophila, gut-loving.)
 * O. jenensis ( Stackebrandt et al. 2002, ; New Latin feminine gender adjective jenensis, of or pertaining to Jena, Germany.)
 * O. paurometabola ( Stackebrandt et al. 2002, ; Greek adjective pauros, little; Greek adjective metabolos, changeable; New Latin feminine gender adjective paurometabola, producing little change.)
 * O. turbata ( (Erikson 1954) Prauser et al. 1970, species. (Type species of the genus).; Latin feminine gender adjective turbata, agitated.)
 * O. xanthineolytica ( Lechevalier 1972, species.; New Latin noun xanthinum, xanthine, New Latin feminine gender adjective lytica (from Greek feminine gender adjective lutikē, able to loose, able to dissolve), loosening, dissolving; New Latin feminine gender adjective xanthineolytica, xanthine-dissolving.)

Ohtaekwangia
Ohtaekwangia is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Ohtaekwangia derives from: New Latin feminine gender noun Ohtaekwangia, named after Dr Oh Tae-Kwang, a Korean microbiologist who has contributed significantly to microbiology and bacterial systematics.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * O. koreensis ( Yoon et al. 2011, (Type species of the genus).; New Latin feminine gender adjective koreensis, of or pertaining to Korea, where the type strain was isolated.)
 * O. kribbensis ( Yoon et al. 2011, ; New Latin feminine gender adjective kribbensis, of or pertaining to KRIBB, an arbitrary adjective formed from the acronym of the Korea Research Institute of Bioscience and Biotechnology, KRIBB, where taxonomic studies on this species were performed.)

Okibacterium
Okibacterium is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Okibacterium derives from: New Latin noun Oka, the name of the river; Latin neuter gender noun bacterium, rod or staff and, in biology, a bacterium (so called because the first ones observed were rod-shaped); New Latin neuter gender noun Okibacterium, a bacterium isolated from plants occurring near the Oka river.

Species
The genus contains a single species, namely O. fritillariae ( Evtushenko et al. 2002, (Type species of the genus).; New Latin genitive case noun fritillariae, of Fritillaria, generic name of plant, the source of isolation of the type strain of the species.)

Oleibacter
Oleibacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Oleibacter derives from: Latin noun oleum, oil; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Oleibacter, an oil (-degrading) rod.

Species
The genus contains a single species, namely O. marinus ( Teramoto et al. 2011, ; Latin masculine gender adjective marinus, of the sea, marine.)

Oleiphilus
Oleiphilus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Oleiphilus derives from: Latin noun oleum, oil; New Latin masculine gender adjective philus (from Greek masculine gender adjective φίλος), friend, loving; New Latin masculine gender noun Oleiphilus, oil-loving organism.

Species
The genus contains a single species, namely O. messinensis ( Golyshin et al. 2002, (Type species of the genus).; New Latin masculine gender adjective messinensis, pertaining to Messina, the city in Sicily where the organism was isolated.)

Oleispira
Oleispira is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Oleispira derives from: Latin noun oleum, oil; Greek feminine gender noun spira, a spire; New Latin feminine gender noun Oleispira, an oil-degrading, spiral-shaped organism.

Species
The genus contains a single species, namely O. antarctica ( Yakimov et al. 2003, (Type species of the genus).; New Latin feminine gender adjective antarctica, of the Antarctic, where the organism was isolated.)

Oligella
Oligella is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Oligella derives from: Greek adjective oligos, little, not copious, scanty; Latin dim. ending -ella, little; New Latin feminine gender dim. noun Oligella, intended to mean a small bacterium with limited nutritional properties.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * O. ureolytica ( Rossau et al. 1987, ; New Latin noun urea, urea; New Latin adjective lyticus -a -um (from Greek adjective lutikos (λυτικός) -ē -on), able to loose, able to dissolve; New Latin feminine gender adjective ureolytica, dissolving (hydrolyzing) urea.)
 * O. urethralis ( (Lautrop et al. 1970) Rossau et al. 1987, (Type species of the genus).; Latin noun urethra, the excretory canal of the urine, the urethra; Latin feminine gender suff. -alis, suffix denoting pertaining to; New Latin feminine gender adjective urethralis, of or pertaining to the urethra.)

Oligotropha
Oligotropha is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Oligotropha derives from: Greek adjective oligos, little, few; Greek noun trophos, feeder, rearer, that which nourishes; New Latin feminine gender noun Oligotropha, utilizer of few substrates.

Species
The genus contains a single species, namely O. carboxidovorans ( (ex Meyer and Schlegel 1978) Meyer et al. 1994, nom. rev., (Type species of the genus).; New Latin noun carboxidum, carbon monoxide; Latin participle adjective vorans, devouring; New Latin participle adjective carboxidovorans, carbone monoxide-devouring, named for its ability to use CO as a sole carbon and energy source.)

Olivibacter
Olivibacter is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Olivibacter derives from:
 * Latin noun oliva, olive; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, a rod; New Latin masculine gender noun Olivibacter, a rod-shaped bacterium from olives/olive processing by-product.

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * O. ginsengisoli ( Wang et al. 2008, ; New Latin noun ginsengum, ginseng; Latin noun solum, soil; New Latin genitive case noun ginsengisoli, of soil of a ginseng field.)
 * O. sitiensis ( Ntougias et al. 2007, (Type species of the genus).;: New Latin masculine gender adjective sitiensis, pertaining to Sitia (north-east Crete, Greece) the vicinity in which the olive-oil mill by-product was obtained.)
 * O. soli ( Wang et al. 2008, ; Latin genitive case noun soli, of the soil.)
 * O. terrae ( Wang et al. 2008, ; Latin genitive case noun terrae, of the earth.)

Olleya
Olleya is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Olleya derives from: New Latin feminine gender noun Olleya, named in honour of June Olley, who has made significant contributions to the area of predictive microbiology.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * O. aquimaris ( Lee et al. 2010, ; Latin noun aqua, water; Latin genitive case noun maris, of the sea; New Latin genitive case noun aquimaris, of seawater.)
 * O. marilimosa ( Mancuso Nichols et al. 2005, (Type species of the genus).; Latin genitive case noun maris, of the sea; Latin adjective limosus, full of slime; New Latin feminine gender adjective marilimosa, of the sea and slimy.)

Olsenella
Olsenella is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Olsenella derives from:
 * New Latin feminine gender dim. noun Olsenella, named to honour Ingar Olsen, a Norwegian microbiologist, who first described Lactobacillus uli.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * O. profusa ( Dewhirst et al. 2001, ;: Latin feminine gender participle adjective profusa, profuse, referring to the good growth of the organism.)
 * O. uli ( (Olsen et al. 1991) Dewhirst et al. 2001, (Type species of the genus).; Greek noun oulon, the gums; New Latin genitive case noun uli, of the gum.)
 * O. umbonata ( Kraatz et al. 2011, ; New Latin feminine gender adjective umbonata (from Latin masculine gender noun umbo umbonis, a shield boss), bossed, umbonate, referring to the umbonate elevations of outgrown colonies on solid culture media.)

Opitutus
Opitutus is a genus in the phylum Verrucomicrobia (Bacteria).

Etymology
The name Opitutus derives from:
 * Latin feminine gender noun Ops Opis, a Roman Earth and harvest goddess; Latin participle adjective tutus (from Latin v. tueor), protected; New Latin masculine gender noun Opitutus, the one protected by Ops.

Species
The genus contains a single species, namely O. terrae ( Chin et al. 2001, (Type species of the genus).;: Latin genitive case noun terrae, of the earth.)

Orbus
Orbus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Orbus derives from: Latin masculine gender noun orbus, orphan.

Species
The genus contains a single species, namely O. hercynius ( Volkmann et al. 2010, (Type species of the genus).; Latin masculine gender adjective hercynius, pertaining to Hercynia, New Latin name of the Harz Mountains, Germany.)

Orenia
Orenia is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Orenia derives from: New Latin feminine gender noun Orenia, named after Aharon Oren, an Israeli microbiologist.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * O. marismortui ( (Oren et al. 1988) Rainey et al. 1995, (Type species of the genus).; Latin genitive case noun maris, of the sea; Latin adjective mortus, dead: New Latin genitive case noun marismortui, of the Dead Sea.)
 * O. salinaria ( Moun&eacute; et al. 2000, ; Latin feminine gender adjective salinaria, of or belonging to salt-works.)
 * O. sivashensis ( Zhilina et al. 2000, ; New Latin feminine gender adjective sivashensis, pertaining to Lake Sivash.)

Oribacterium
Oribacterium is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Oribacterium derives from: Latin neuter gender noun os oris, the mouth; Latin neuter gender noun bacterium, a small rod; New Latin neuter gender noun Oribacterium, small rod from the mouth.

Species
The genus contains a single species, namely O. sinus ( Carlier et al. 2004, (Type species of the genus).; Latin genitive case noun sinus, of the sinus, referring to the anatomical site from where the type strain was isolated.)

Oribaculum
Oribaculum is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Oribaculum derives from: Latin neuter gender noun os oris, the mouth; Latin neuter gender noun baculum, a stick, staff; New Latin neuter gender noun Oribaculum, rod from the mouth.

Species
The genus contains a single species, namely O. catoniae ( Moore and Moore 1994, (Type species of the genus).; New Latin genitive case feminine gender noun catoniae, of Cato, named in honor of Elizabeth P. Cato, an American microbiologist.)

Orientia
Orientia is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Orientia derives from: New Latin feminine gender noun Orientia (from Latin noun oriens -entis, the East, Orient), the Orient, the area where the organisms are widely distributed.

Species
The genus contains a single species, namely O. tsutsugamushi ( (Hayashi 1920) Tamura et al. 1995, (Type species of the genus).; Japanese noun tsutsugamushi (from two Japanese ideographs transliterated tsutuga something small and dangerous, and mushi a creature, now known to be a mite), popular name of the disease caused by this species, generally interpreted to mean &quot;mite disease&quot;; New Latin genitive case noun tsutsugamushi, of  a mite disease (of tsutsugamushi).)

Ornithinibacillus
Ornithinibacillus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Ornithinibacillus derives from: New Latin noun ornithinum, ornithine; Latin masculine gender noun bacillus, a small staff, a wand; New Latin masculine gender noun Ornithinibacillus, a rod with ornithine.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * O. bavariensis ( Mayr et al. 2006, (Type species of the genus).; New Latin masculine gender adjective bavariensis, of Bavaria, indicating the source of the type strain.)
 * O. californiensis ( Mayr et al. 2006, ; New Latin masculine gender adjective californiensis, of California, indicating the source of the type strain.)
 * O. contaminans ( K&auml;mpfer et al. 2010, ; Latin participle adjective contaminans, contaminating, polluting, referring to the isolation of the type strain as a contaminant of a human blood sample.)

Ornithinibacter
Ornithinibacter is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Ornithinibacter derives from: New Latin noun ornithinum, ornithine; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, a rod; New Latin masculine gender noun Ornithinibacter, ornithine(-containing) rod.

Species
The genus contains a single species, namely O. aureus ( Xiao et al. 2011, (Type species of the genus).; Latin masculine gender adjective aureus, golden, referring to the bright yellow colour of the strain.)

Ornithinicoccus
Ornithinicoccus is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Ornithinicoccus derives from: New Latin noun ornithinum, ornithine (an amino acid named after the Greek noun ornithos, bird); New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos, grain, seed), coccus; New Latin masculine gender noun Ornithinicoccus, a coccus with ornithine.

Species
The genus contains a single species, namely O. hortensis ( Groth et al. 1999, (Type species of the genus).; Latin masculine gender adjective hortensis, of or belonging to a garden, the place where the organism was isolated.)

Ornithinimicrobium
Ornithinimicrobium is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Ornithinimicrobium derives from: New Latin noun ornithinum, ornithine (an amino acid named after the Greek noun ornithos, bird); New Latin neuter gender noun microbium (from Greek adjective mikros (μικρός), small and Greek noun bios (βίος), life), a microbe; New Latin neuter gender noun Ornithinimicrobium, a microbe with ornithine.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * O. humiphilum ( Groth et al. 2001, (Type species of the genus).; Latin noun humus, soil; New Latin neuter gender adjective philum (from Greek neuter gender adjective philon (φίλον)), friend, loving; New Latin neuter gender adjective humiphilum, loving soil.)
 * O. kibberense ( Mayilraj et al. 2006, ; New Latin neuter gender adjective kibberense, of or pertaining to Kibber, a village in the Indian Himalayas, where the type strain was isolated.)
 * O. pekingense ( Liu et al. 2008, ; New Latin neuter gender adjective pekingense, pertaining to Peking, the former English name of Beijing, where the type strain was isolated and studied.)

Ornithobacterium
Ornithobacterium is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Ornithobacterium derives from: Greek noun ornis -ithos, bird; Latin neuter gender noun bacterium, rod; New Latin neuter gender noun Ornithobacterium, bird bacterium, because it was first isolated from birds.

Species
The genus contains a single species, namely O. rhinotracheale ( Vandamme et al. 1994, (Type species of the genus).; Greek noun rhis rhinos, nose, nostril; Latin noun trachia, windpipe; Latin neuter gender adjective suff. -ale, suffix denoting pertaining to; New Latin neuter gender adjective rhinotracheale, relating to the nostrils and windpipe, because the organism was first isolated there.)

Oryzihumus
Oryzihumus is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Oryzihumus derives from: Latin feminine gender noun oryza, rice; Latin masculine gender noun humus, soil; New Latin masculine gender noun Oryzihumus, rice soil.

Species
The genus contains a single species, namely O. leptocrescens ( Kageyama et al. 2005, (Type species of the genus).; Greek adjective leptos, thin, fine, delicate, slender; Latin participle adjective crescens, growing; New Latin participle adjective leptocrescens, slender growing.)

Oscillibacter
Oscillibacter is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Oscillibacter derives from: Latin noun oscillum, a swing; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Oscillibacter, the oscillating rod.

Species
The genus contains a single species, namely O. valericigenes ( Iino et al. 2007, (Type species of the genus).; New Latin noun acidum valericum, valeric acid; New Latin suff. -genes (from Greek v. gennaō (γεννάω) to produce), producing; New Latin participle adjective valericigenes, producing valeric acid.)

Oscillochloris
Oscillochloris is a genus in the phylum Chloroflexi (Bacteria).

Etymology
The name Oscillochloris derives from: Latin participle adjective oscillans, oscillating; Greek adjective chlōros, green; New Latin feminine gender noun Oscillochloris, oscillating green (bacterium).

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * O. chrysea ( Gorlenko and Pivovarova 1989, (Type species of the genus).; Latin feminine gender adjective chrysea, golden, gold-colored.)
 * O. trichoides ( (ex Szafer) Gorlenko and Korotkov 1989, nom. rev., ; Greek noun thrix tr&icirc;chos, hair; Latin suff. -oides (from Greek suff. -eides, from Greek noun eidos, that which is seen, form, shape, figure), ressembling, similar; New Latin feminine gender adjective trichoides, hairlike (bacteria).)

Oscillospira
Oscillospira is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Oscillospira derives from: Latin noun oscillum, a swing; Latin feminine gender noun spira, a spiral; New Latin feminine gender noun Oscillospira, the oscillating spiral.

Species
The genus contains a single species, namely O. guilliermondii ( corrig. Chatton and P&eacute;rard 1913, species. (Type species of the genus).; New Latin genitive case noun guilliermondii, of Guilliermond, named for A. Guilliermond, a French biologist.)

Ottowia
Ottowia is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Ottowia derives from: New Latin feminine gender noun Ottowia, named in honour of Johannes C. G. Ottow, who made several contributions to our knowledge of denitrification in soil and activated sludge.

Species
The genus contains a single species, namely O. thiooxydans ( Spring et al. 2004, (Type species of the genus).; Greek noun theion (θέω) (Latin transliteration thium), sulfur; New Latin participle adjective oxydans, oxidizing; New Latin feminine gender participle adjective thiooxydans, oxidizing sulfur.)

Owenweeksia
Owenweeksia is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Owenweeksia derives from: New Latin feminine gender noun Owenweeksia, named after Owen B. Weeks, who did a lot of work in the 1950s, 1960s and 1970s on Flavobacterium, Cytophaga and related species.

Species
The genus contains a single species, namely O. hongkongensis ( Lau et al. 2005, (Type species of the genus).; New Latin feminine gender adjective hongkongensis, pertaining to Hong Kong.)

Oxalicibacterium
Oxalicibacterium is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Oxalicibacterium derives from: New Latin noun acidum oxalicum, oxalic acid; Latin neuter gender noun bacterium, a rod; New Latin neuter gender noun Oxalicibacterium, oxalic acid (-utilizing) rod.

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * O. faecigallinarum ( Sahin et al. 2009, ; Latin noun faex faecis, the dregs, feces; Latin genitive case pl. noun gallinarum, of hens; New Latin genitive case pl. noun faecigallinarum, of/from feces of hens.)
 * O. flavum ( Tamer et al. 2003, (Type species of the genus).; Latin neuter gender adjective flavum, golden yellow, referring to the colony colour.)
 * O. horti ( Sahin et al. 2009, ; Latin genitive case noun horti, of a garden (isolated from a garden soil).)
 * O. solurbis ( Sahin et al. 2010, ; Latin noun solum, soil; Latin noun urbs urbis, a city; New Latin genitive case noun solurbis, of city soil, where the type strain was isolated.)

Oxalobacter
Oxalobacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Oxalobacter derives from:
 * New Latin noun oxalas -atis (from Greek noun oxalis, sorrel), oxalate; New Latin pref. oxalo-, pertaining to oxalate; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, a rod; New Latin masculine gender noun Oxalobacter, an oxalate rod.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * O. formigenes ( Allison et al. 1985, (Type species of the genus).;: New Latin noun acidum formicum, formic acid; New Latin suff. -genes (from Greek v. gennaō (γεννάω), to produce), producing; New Latin participle adjective formigenes, formic acid producing.)
 * O. vibrioformis ( Dehning and Schink 1990, ;: Latin v. vibro, to set in tremulous motion, move to and fro, vibrate; New Latin masculine gender noun vibrio, that which vibrates, and also a bacterial genus name of bacteria possessing a curved rod shape (Vibrio); Latin adjective suffix -formis -is -e (from Latin noun forma, figure, shape, appearance), -like, in the shape of; New Latin masculine gender adjective vibrioformis, shaped like a curved cell, like a vibrio.)

Oxalophagus
Oxalophagus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Oxalophagus derives from: Greek noun oxalis, wood sorrel (from which the name of oxalic acid is derived); Greek masculine gender noun phagos, glutton; New Latin masculine gender noun Oxalophagus, oxalate eater.

Species
The genus contains a single species, namely O. oxalicus ( (Dehning and Schink 1990) Collins et al. 1994, (Type species of the genus).; New Latin noun acidum oxalicum, oxalic acid; New Latin masculine gender adjective oxalicus, referring to the metabolism of oxalic acid.)

Oxobacter
Oxobacter is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Oxobacter derives from: Greek noun oxos, vinegar; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, small rod; New Latin masculine gender noun Oxobacter, acetogenic rod.

Species
The genus contains a single species, namely O. pfennigii ( (Krumholz and Bryant 1985) Collins et al. 1994, (Type species of the genus).; New Latin genitive case noun pfennigii, of Pfennig, named after Norbert Pfennig, who first documented the catabolism of methyl groups of benzenoid compounds by an anaerobic bacterium.)

Paenalcaligenes
Paenalcaligenes is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Paenalcaligenes derives from: Latin adv. paene, nearly, almost; New Latin masculine gender noun Alcaligenes, a bacterial genus name; New Latin masculine gender noun Paenalcaligenes, almost Alcaligenes.

Species
The genus contains a single species, namely P. hominis ( K&auml;mpfer et al. 2010, (Type species of the genus).; Latin genitive case noun hominis, of a man, of a human being, named because the type and only known strain is of human origin.)

Paenibacillus
Paenibacillus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Paenibacillus derives from: Latin adv. paene, almost; Latin masculine gender noun bacillus, a rod and also a bacterial genus name (Bacillus); New Latin masculine gender noun Paenibacillus, almost a Bacillus.

Species
The genus contains 129 species (including basonyms and synonyms), namely
 * P. aestuarii ( Bae et al. 2010, ; Latin genitive case noun aestuarii, of a tract overflowed at high tide, of a salt marsh; here intended to mean of a wetland, from where the type strain was isolated.)
 * P. agarexedens ( (ex Wieringa 1941) Uetanabaro et al. 2003, nom. rev.,, corrig.; New Latin noun agarum, agar; Latin v. exedere, to eat up, utilize; New Latin participle adjective agarexedens, agar-utilizing.)
 * P. agaridevorans ( Uetanabaro et al. 2003, ; New Latin noun agarum, agar; Latin participle adjective devorans, consuming, devouring; New Latin participle adjective agaridevorans, agar-devouring.)
 * P. alginolyticus ( (Nakamura 1987) Shida et al. 1997, ; New Latin noun acidum alginicum, alginic acid; Greek adjective lutikos (λυτικός), dissolving; New Latin masculine gender adjective alginolyticus, alginic acid dissolving.)
 * P. alkaliterrae ( Yoon et al. 2005, ; Arabic noun alkali (al-qaliy), the ashes of saltwort; Latin genitive case noun terrae, of the earth; New Latin genitive case noun alkaliterrae, of high-pH soil.)
 * P. alvei ( (Cheshire and Cheyne 1885) Ash et al. 1994, ; Latin noun alveus, a beehive; Latin genitive case noun alvei, of a beehive.)
 * P. amylolyticus ( (Nakamura 1984) Ash et al. 1994, ; Greek noun amulon, starch; Greek adjective lutikos (λυτικός), dissolving; New Latin masculine gender adjective amylolyticus, dissolving starch.)
 * P. anaericanus ( Horn et al. 2005, ; Greek prefix an (ἄν), no, not; Greek noun aer, aeros (ἀήρ, ἀέρος), air; Greek adjective ikanos, capable; New Latin masculine gender adjective anaericanus, capable of anaerobic growth.)
 * P. antarcticus ( Montes et al. 2004, ; Latin masculine gender adjective antarcticus, southern, of the Antarctic environment, where the organism was isolated.)
 * P. apiarius ( (ex Katznelson 1955) Nakamura 1996, nom. rev., ; New Latin masculine gender adjective apiarus, relating to bees.)
 * P. assamensis ( Saha et al. 2005, ; New Latin masculine gender adjective assamensis, pertaining to Assam, a north-eastern state in India, where the type strain was isolated.)
 * P. azoreducens ( Meehan et al. 2001, ; N.Greek noun azo, a combining form meaning nitrogen; New Latin participle adjective reducens, reducing; New Latin participle adjective azoreducens, nitrogen-reducing, referring to the ability to decolorize azo dyes.)
 * P. azotofixans ( (Seldin et al. 1984) Ash et al. 1994, ; New Latin noun azotum (from French noun azote), nitrogen; Latin v. figo, to fix; Latin participle adjective fixans, fixing; New Latin participle adjective azotifixans, nitrogen-fixing.)
 * P. barcinonensis ( S&aacute;nchez et al. 2005, ; Latin masculine gender adjective barcinonensis, pertaining to Barcino, of Barcino, the Roman name for Barcelona, the city in Spain where the type strain was isolated.)
 * P. barengoltzii ( Osman et al. 2006, ; New Latin genitive case noun barengoltzii, of Barengoltz, referring to Jack Barengoltz, a well-known American physicist and NASA planentary protection scientist.)
 * P. borealis ( Elo et al. 2001, ; Latin masculine gender adjective borealis, pertaining to the north (wind) boreal.)
 * P. brasilensis ( von der Weid et al. 2002, ; New Latin masculine gender adjective brasilensis, pertaining to Brazil, the country where the strains were isolated.)
 * P. camelliae ( Oh et al. 2010, ; New Latin genitive case noun camelliae, of Camellia, referring to the isolation of the type strain from fermented green tea, Camellia sinensis.)
 * P. campinasensis ( Yoon et al. 1998, ; New Latin masculine gender adjective campinasensis, referring to Campinas, the city in Brazil where the College of Food Engineering, State University of Brazil is located.)
 * P. castaneae ( Valverde et al. 2008, ; Latin genitive case noun castaneae, of a chestnut tree.)
 * P. cellulosilyticus ( Rivas et al. 2006, ;: New Latin noun cellulosum, cellulose; Greek adjective lutikos (λυτικός), able to loose, able to dissolve; New Latin adjective lyticus -a -um (from Greek adjective lutikos (λυτικός) -ē -on), able to loose, able to dissolve; New Latin masculine gender adjective cellulosilyticus, cellulose-dissolving.)
 * P. cellulositrophicus ( Akaracharanya et al. 2009, ; New Latin noun cellulosum, cellulose; New Latin masculine gender adjective trophicus (from Greek masculine gender adjective trophikos), nursing, tending; New Latin masculine gender adjective cellulositrophicus, feeding on cellulose, growing on cellulose.)
 * P. chibensis ( Shida et al. 1997, ;: New Latin masculine gender adjective chibensis, referring to Chiba, a Japanese prefecture where the research laboratory of Higeta Shoyu Co., Ltd. is located.)
 * P. chinjuensis ( Yoon et al. 2002, ;: New Latin masculine gender adjective chinjuensis, of Chinju, the city in Korea where the type strain was isolated.)
 * P. chitinolyticus ( (Kuroshima et al. 1996) Lee et al. 2004, ; New Latin noun chitinum, chitin; Greek adjective lutikos (λυτικός), able to loose, able to dissolve; New Latin adjective lyticus -a -um (from Greek adjective lutikos (λυτικός) -ē -on), able to loose, able to dissolve; New Latin masculine gender adjective chitinolyticus, decomposing chitin.)
 * P. chondroitinus ( (Nakamura 1987) Shida et al. 1997, ; New Latin masculine gender adjective chondroitinus, of chondroitin, pertaining to chondroitin.)
 * P. chungangensis ( Park et al. 2011, ; New Latin masculine gender adjective chungangensis, pertaining to Chung-Ang University, where taxonomic studies on the type strain were performed.)
 * P. cineris ( Logan et al. 2004, ; Latin genitive case masculine gender noun cineris, of/from ash, referring to the volcanic, ash-based soil from which the type strain was isolated.)
 * P. contaminans ( Chou et al. 2009, ; Latin participle adjective contaminans, contaminating.)
 * P. cookii ( Logan et al. 2004, ; New Latin genitive case noun cookii, of Cook, referring to Captain James Cook, of HMS Resolution, who discovered Candlemas Island on Candlemas Day (2 February), 1775.)
 * P. curdlanolyticus ( (Kanzawa et al. 1995) Shida et al. 1997, ; New Latin noun curdlanum, curdlan, a polysaccharide produced by bacteria; Greek adjective lutikos (λυτικός), dissolving; New Latin masculine gender adjective curdlanolyticus, hydrolyzing curdlan.)
 * P. daejeonensis ( Lee et al. 2002, ; New Latin masculine gender adjective daejeonensis, referring to Daejeon, Korea, the geographical origin of the novel species.)
 * P. dendritiformis ( Tcherpakov et al. 1999, ; Greek noun dendron, tree; Latin suff. -formis (from Latin noun forma, figure, shape, appearance), -like, in the shape of; New Latin masculine gender adjective dendritiformis, tree-shaped, referring to the tree like-shapes of the colonies on agar.)
 * P. durus ( corrig. (Smith and Cato 1974) Collins et al. 1994, ; Latin masculine gender adjective durus, hard, tough.)
 * P. edaphicus ( (Shelobolina et al. 1998) Hu et al. 2010, ; Greek noun edaphos, ground; Latin masculine gender suff. -icus, adjectival suffix used with the sense of belonging to; New Latin masculine gender adjective edaphicus, living in soil.)
 * P. ehimensis ( (Kuroshima et al. 1996) Lee et al. 2004, ; New Latin masculine gender adjective ehimensis, of or belonging to Ehime, referring to Ehime Prefecture, Japan, the source of the soil samples from which the organisms were isolated.)
 * P. elgii ( Kim et al. 2004, ; New Latin noun elgius, arbitrary name formed from the company name LG where taxonomic studies on this species were performed; New Latin genitive case noun elgii, of the LG Life Sciences Ltd.)
 * P. favisporus ( Vel&aacute;zquez et al. 2004, ; Latin masculine gender noun favus, a honey-comb; Greek feminine gender noun spora (σπορά), a seed (in bacteriology a spore); New Latin masculine gender adjective favisporus, intended to refer to the honey-comb form of spores.)
 * P. filicis ( Kim et al. 2010, ; Latin noun filix -icis, a fern plant; Latin genitive case noun filicis, of a fern plant.)
 * P. fonticola ( Chou et al. 2007, ; Latin masculine gender noun fons fontis, a spring, fountain; Latin suff. -cola (from Latin masculine gender or feminine gender noun incola), an inhabitant of a place, a resident; New Latin noun fonticola, an inhabitant of a fountain.)
 * P. forsythiae ( Ma and Chen 2008, ; New Latin genitive case noun forsythiae, of Forsythia, referring to the plant Forsythia mira, the source of the rhizosphere soil from which the type strain was isolated.)
 * P. gansuensis ( Lim et al. 2006, ; New Latin masculine gender adjective gansuensis, belonging to Gansu, from where the type strain was isolated.)
 * P. ginsengarvi ( Yoon et al. 2007, ; New Latin noun ginsengum, ginseng; Latin noun arvum, a field; New Latin genitive case noun ginsengarvi, of a ginseng field, the source of the type strain.)
 * P. ginsengihumi ( Kim et al. 2008, ; New Latin noun ginsengum, ginseng; Latin noun humus, soil; New Latin genitive case noun ginsengihumi, of the soil of a ginseng field, the source of the type strain.)
 * P. ginsengisoli ( Lee et al. 2007, ; New Latin noun ginsengum, ginseng; Latin noun solum, soil; New Latin genitive case noun ginsengisoli, of soil of a ginseng field, the source of the organism.)
 * P. glacialis ( Kishore et al. 2010, ; Latin feminine gender adjective glacialis, icy, referring to the cold, icy environment from which the strain was isolated.)
 * P. glucanolyticus ( (Alexander and Priest 1989) Shida et al. 1997, ; New Latin noun glucanum, glucan (a polysaccharide of D-glucose monomers); Greek adjective lutikos (λυτικός), dissolving; New Latin masculine gender adjective glucanolyticus, hydrolyzing glucose polymers.)
 * P. glycanilyticus ( Dasman et al. 2002, ; New Latin glycanum, glycan, a heteropolysaccharide; Greek adjective lutikos (λυτικός), dissolving; New Latin masculine gender adjective glycanilyticus, degrading heteropolysaccharide.)
 * P. gordonae ( (Pichinoty et al. 1987) Ash et al. 1994, ; New Latin genitive case noun gordonae, of Gordon.)
 * P. graminis ( Berge et al. 2002, ; Latin genitive case noun graminis, of grass.)
 * P. granivorans ( Van der Maarel et al. 2001, ; Latin pl. noun grani, granules; Latin participle adjective vorans, eating, devouring; New Latin participle adjective granivorans, granules-eating, referring to its ability to hydrolyze granular starch.)
 * P. harenae ( Jeon et al. 2009, ; Latin genitive case noun harenae, of sand, referring to the isolation of the type strain from desert sand.)
 * P. hodogayensis ( Takeda et al. 2005, ; New Latin masculine gender adjective hodogayensis, pertaining to Hodogaya, the name of a district in Yokohama, Japan, the geographical origin of isolation of the type strain.)
 * P. humicus ( Vaz-Moreira et al. 2007, ; Latin noun humus, earth, soil and, in earth sciences or agriculture, humus; Latin suff. -icus -a -um, suffix used with the sense of belonging to; New Latin masculine gender adjective humicus, pertaining to humus.)
 * P. hunanensis ( Liu et al. 2010, ; New Latin masculine gender adjective hunanensis, of or belonging to Hunan, a province of China, from where the first strains were isolated.)
 * P. illinoisensis ( Shida et al. 1997, ; New Latin masculine gender adjective illinoisensis, referring to Illinois, the state where Microbial Properties Research, National Center for Agricultural Utilization Research, U.S. Department of Agriculture is located.)
 * P. jamilae ( Aguilera et al. 2001, ; New Latin genitive case noun jamilae, of jamila (a specific term of Arabic origin, commonly used in Andalusia for residual water of olive oil production).)
 * P. kobensis ( (Kanzawa et al. 1995) Shida et al. 1997, ; New Latin masculine gender adjective kobensis, pertaining to Kobe City, Hyogo Prefecture, Japan, the source of the soil from which the organisms were isolated.)
 * P. koleovorans ( Takeda et al. 2002, ; Greek noun koleon, sheath; Latin participle adjective vorans, devouring; New Latin participle adjective koleovorans, sheath-devouring.)
 * P. konsidensis ( Ko et al. 2008, ; New Latin masculine gender adjective konsidensis, pertaining to KONSID, arbitrary adjective formed from the Korean Network for Studies of Infectious Diseases (KONSID).)
 * P. koreensis ( Chung et al. 2000, ; New Latin masculine gender adjective koreensis, pertaining to Korea, the geographical origin of isolation.)
 * P. kribbensis ( Yoon et al. 2003, ; New Latin masculine gender adjective kribbensis, arbitrary name formed from the acronym of the Korea Research Institute of Bioscience and Biotechnology, KRIBB, where taxonomic studies on this species were performed.)
 * P. lactis ( Scheldeman et al. 2004, ; Latin masculine gender noun lac, milk; Latin genitive case noun lactis, of milk, referring to milk (and its environment on the dairy farm) as the principal isolation source.)
 * P. larvae ( (White 1906) Ash et al. 1994, ; Latin genitive case noun larvae, of a ghost, of a spectre and in biology of a larva.)
 * P. larvae ( subsp. larvae (White 1906) Ash et al. 1994, ; Latin genitive case noun larvae, of a ghost, of a spectre and in biology of a larva.)
 * P. larvae ( subsp. pulvifaciens (Nakamura 1984) Heyndrickx et al. 1996, ; Latin noun pulvis, dust, powder; Latin participle adjective faciens, making; New Latin participle adjective pulvifaciens, making powder or dust.)
 * P. lautus ( (Nakamura 1984) Heyndrickx et al. 1996, ; Latin masculine gender adjective lautus, washed, splendid.)
 * P. lentimorbus ( (Dutky 1940) Pettersson et al. 1999, ;: Latin adjective lentus, slow; Latin noun morbus, a sickness, disease; New Latin noun lentimorbus, the slow disease.)
 * P. macerans ( (Schardinger 1905) Ash et al. 1994, ; Latin participle adjective macerans, softening by steeping, retting.)
 * P. macquariensis ( (Marshall and Ohye 1966) Ash et al. 1994, ; New Latin masculine gender adjective macquariensis, pertaining to Macquarie Island.)
 * P. macquariensis ( subsp. defensor Hoshino et al. 2009, ; Latin noun defensor (nominative in apposition), defender, protector, because the isolates inhibit the production of sclerotia by the psychrophilic phytopathogenic fungus Typhula ishikariensis.)
 * P. macquariensis ( subsp. macquariensis (Marshall and Ohye 1966) Ash et al. 1994, ; New Latin masculine gender adjective macquariensis, pertaining to Macquarie Island.)
 * P. massiliensis ( Roux and Raoult 2004, ; Latin masculine gender adjective massiliensis, pertaining to Massilia, the Roman name for Marseille, where the type strain was isolated.)
 * P. mendelii ( Smerda et al. 2005, ; New Latin genitive case noun mendelii, of Mendel, to honour J.G. Mendel, the founder of genetics.)
 * P. montaniterrae ( Khianngam et al. 2009, ; Latin adjective montanus, of a mountain; Latin noun terra, soil; New Latin genitive case noun montaniterrae, of mountain soil, where the type strain was isolated.)
 * P. motobuensis ( Iida et al. 2005, ; New Latin masculine gender adjective motobuensis, pertaining to Motobu in Okinawa, Japan, where the type strain was isolated.)
 * P. mucilaginosus ( (Avakyan et al. 1998) Hu et al. 2010, ; Latin masculine gender adjective mucilaginosus, slimy.)
 * P. nanensis ( Khianngam et al. 2009, ; New Latin masculine gender adjective nanensis, pertaining to Nan, a province in Thailand, from where the strain was isolated.)
 * P. naphthalenovorans ( Daane et al. 2002, ; Latin neuter gender noun naphthalenum, naphtalene; Latin v. vorare, to devour; New Latin participle adjective naphthalenovorans, naphthalene-devouring.)
 * P. nematophilus ( Enright et al. 2003, ; New Latin noun nematoda, roundworms, nematodes; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective nematophilus, nematode-loving.)
 * P. odorifer ( Berge et al. 2002, ; Latin noun odor, smell; Latin suff. noun -fer, carrier; New Latin noun odorifer, carrier of smell.)
 * P. pabuli ( (Nakamura 1984) Ash et al. 1994, ; Latin genitive case noun pabuli, of fodder.)
 * P. panacisoli ( Ten et al. 2006, ;: New Latin noun Panax -acis, scientific name of ginseng; Latin noun solum, soil; New Latin genitive case noun panacisoli, of soil of a ginseng field.)
 * P. pasadenensis ( Osman et al. 2006, ; New Latin masculine gender adjective pasadenensis, referring to Pasadena, the city in which the JPL-SAF is located.)
 * P. pectinilyticus ( Park et al. 2009, ; New Latin noun pectinum (from French noun pectine), pectin; New Latin adjective lyticus -a -um (from Greek adjective lutikos (λυτικός) -ē -on), able to loose, able to dissolve; New Latin masculine gender adjective pectinilyticus, pectin-dissolving bacteria.)
 * P. peoriae ( (Montefusco et al. 1993) Heyndrickx et al. 1996, ; New Latin genitive case noun peoriae, of Peoria, named after Peoria, Illinois, where the organism was studied.)
 * P. pini ( Kim et al. 2011, ; Latin genitive case noun pini, of a pine tree.)
 * P. phyllosphaerae ( Rivas et al. 2005, ; New Latin genitive case noun phyllosphaerae, of the phyllosphere.)
 * P. pinihumi ( Kim et al. 2010, ; Latin noun pinus, a pine; Latin noun humus, soil; New Latin genitive case noun pinihumi, of soil from a pine tree.)
 * P. pocheonensis ( Baek et al. 2010, ; New Latin masculine gender adjective pocheonensis, of or pertaining to Pocheon Province in South Korea, the source of the soil sample from which the type strain was isolated.)
 * P. polymyxa ( (Prazmowski 1880) Ash et al. 1994, (Type species of the genus).; Greek pref. polu, many; Greek noun myxa, slime or mucus; New Latin noun polymyxa, much slime.)
 * P. popilliae ( (Dutky 1940) Pettersson et al. 1999, ; New Latin noun Popillia, generic name of the Japanese beetle; New Latin genitive case noun popilliae, of Popillia.)
 * P. prosopidis ( Valverde et al. 2010, ; Latin noun prosopis, name of a plant, and also a botanical genus name; Latin genitive case noun prosopidis, of Prosopis, isolated from Prosopis farcta.)
 * P. provencensis ( Roux et al. 2008, ; New Latin masculine gender adjective provencensis, pertaining to Provence, the region of France where the type strain was isolated.)
 * P. pueri ( Kim et al. 2009, ; New Latin noun puerum, Pu&#39;er, a tea from China; New Latin genitive case noun pueri, of Pu&#39;er.)
 * P. puldeungensis ( Traiwan et al. 2011, ; New Latin masculine gender adjective puldeungensis, of/from puldeung, the Korean word for a grassy sandbank such as the one from which the type strain was isolated.)
 * P. pulvifaciens ( (Nakamura 1984) Ash et al. 1994, ; Latin noun pulvis, dust, powder; Latin participle adjective faciens, making; New Latin participle adjective pulvifaciens, making powder or dust.)
 * P. purispatii ( Behrendt et al. 2011, ; Latin adjective purus -a -um, clean; Latin noun spatium, room; New Latin genitive case noun purispatii, of a clean room.)
 * P. residui ( Vaz-Moreira et al. 2010, ; Latin noun residuum, leavings, scraps, residues; Latin genitive case noun residui, of leavings, scraps, residues.)
 * P. rhizosphaerae ( Rivas et al. 2005, ; Greek feminine gender noun rhiza, root; Latin feminine gender noun sphaera -ae, ball, any globe, sphere; New Latin genitive case feminine gender noun rhizosphaerae, of the rhizosphere.)
 * P. rigui ( Baik et al. 2011, ; Latin genitive case noun rigui, of a well-watered place, referring to where the type strain was isolated.)
 * P. riograndensis ( Beneduzi et al. 2010, ; New Latin masculine gender adjective riograndensis, referring to Rio Grande do Sul, the state located in Southern Brazil, where the strain was isolated.)
 * P. sabinae ( Ma et al. 2007, ;: New Latin genitive case noun sabinae, of Sabina, referring to the plant Sabina squamata, the source of the rhizosphere soil from which the type strain was isolated.)
 * P. sanguinis ( Roux and Raoult 2004, ; Latin masculine gender genitive case noun sanguinis, of blood, referring to the fact that the type strain was isolated from a blood sample.)
 * P. septentrionalis ( Khianngam et al. 2009, ; Latin masculine gender adjective septentrionalis, northern, referring to the isolation of the type strain from the northern province, Nan, Thailand.)
 * P. sepulcri ( Smerda et al. 2006, ; Latin genitive case noun sepulcri, from a tomb, pertaining to the place of isolation of the type strain.)
 * P. siamensis ( Khianngam et al. 2009, ; New Latin masculine gender adjective siamensis, pertaining to Siam, the old name of Thailand, where the type strain was isolated.)
 * P. soli ( Park et al. 2007, ;: Latin genitive case noun soli, of soil, the source of the organism.)
 * P. sonchi ( Hong et al. 2009, ; Latin noun sonchus -i, the herb sow-thistle, and also a botanical genus name (Sonchus); Latin genitive case noun sonchi, of Sonchus, referring to the plant Sonchus oleraceus, the source of the rhizosphere soil from which the type strain was isolated.)
 * P. sophorae ( Jin et al. 2011, ; New Latin genitive case noun sophorae, of Sophora, referring to the plant Sophora japonica, the source of the rhizosphere soil from which the type strain was isolated.)
 * P. sputi ( Kim et al. 2010, ; Latin genitive case noun sputi, of sputum.)
 * P. stellifer ( Suominen et al. 2003, ; Latin masculine gender adjective stellifer, star-bearing, star-carrying, referring to the presence of star-shaped spores.)
 * P. taichungensis ( Lee et al. 2008, ; New Latin masculine gender adjective taichungensis, of Taichung, a city in Taiwan, where the type strain was isolated.)
 * P. taiwanensis ( Lee et al. 2007, ; New Latin masculine gender adjective taiwanensis, of Taiwan, where the type strain was isolated.)
 * P. tarimensis ( Wang et al. 2008, ; New Latin masculine gender adjective tarimensis, referring to Tarim Basin, China, the geographical origin of the type strain.)
 * P. terrae ( Yoon et al. 2003, ; Latin genitive case noun terrae, of the earth.)
 * P. terrigena ( Xie and Yokota 2007, ;: Latin noun terrigena (nominative in apposition), born of, or from, the earth, earth-born.)
 * P. thailandensis ( Khianngam et al. 2009, ; New Latin masculine gender adjective thailandensis, pertaining to Thailand, where the strain was isolated.)
 * P. thiaminolyticus ( (Nakamura 1990) Shida et al. 1997, ; New Latin noun thiaminun, thiamine; New Latin adjective lyticus -a -um (from Greek adjective lutikos (λυτικός) -ē -on), able to loose, able to dissolve; New Latin masculine gender adjective thiaminolyticus, decomposing thiamine.)
 * P. tianmuensis ( Wu et al. 2011, ; New Latin masculine gender adjective Tianmuensis, of or pertaining to Tianmu Mountain National Natural Reserve in Zhejiang Province, China, where the type strain was isolated.)
 * P. timonensis ( Roux and Raoult 2004, ; New Latin masculine gender adjective timonensis, pertaining to the Hōpital de la Timone, where the type strain was isolated.)
 * P. tundrae ( Nelson et al. 2009, ; New Latin genitive case feminine gender noun tundrae, of/from the tundra, a biome in northern North America and Eurasia.)
 * P. turicensis ( Bosshard et al. 2002, ; Latin masculine gender adjective turicensis, referring to Turicum, the Latin name of Zurich, where the organism was first isolated.)
 * P. uliginis ( Behrendt et al. 2011, ; Latin noun uligo -inis, moisture, marshy quality of the earth; Latin genitive case noun uliginis, of moisture.)
 * P. urinalis ( Roux et al. 2008, ; Latin masculine gender adjective urinalis, pertaining to urine, urinary.)
 * P. validus ( (Nakamura 1984) Ash et al. 1994, ; Latin masculine gender adjective validus, strong, vigorous.)
 * P. woosongensis ( Lee and Yoon 2008, ; New Latin masculine gender adjective woosongensis, of Woosong, the Korean name for the university in Korea at which the organism was isolated.)
 * P. wynnii ( Rodr&iacute;guez-D&iacute;az et al. 2005, ; New Latin genitive case noun wynnii, of Wynn, in honour of Dr. David Wynn-Williams, the Antarctic microbiologist who developed Mars Oasis as a research site.)
 * P. xinjiangensis ( Lim et al. 2006, ;: New Latin masculine gender adjective xinjiangensis, pertaining to Xinjiang in China, where the type strain was isolated.)
 * P. xylanexedens ( Nelson et al. 2009, ; New Latin noun xylanum, xylan; Latin v. exedere, to eat up, utilize; New Latin participle adjective xylanexedens, xylan-utilizing.)
 * P. xylanilyticus ( Rivas et al. 2005, ; New Latin neuter gender noun xylanum, xylan; Greek masculine gender adjective lutikos (λυτικός), able to loose, dissolving; New Latin masculine gender adjective xylanilyticus, xylan-dissolving.)
 * P. xylanisolvens ( Khianngam et al. 2011, ; New Latin noun xylanum, xylan; Latin participle adjective solvens, dissolving; New Latin participle adjective xylanisolvens, xylan-dissolving.)
 * P. zanthoxyli ( Ma et al. 2007, ;: New Latin genitive case noun zanthoxyli, of Zanthoxylum, referring to the plant Zanthoxylum simulans, the source of the rhizosphere soil from which the type strain was isolated.)

Paenisporosarcina
Paenisporosarcina is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Paenisporosarcina derives from: Latin adv. paene, almost; New Latin feminine gender noun Sporosarcina, a bacterial genus name; New Latin feminine gender noun Paenisporosarcina, almost a Sporosarcina, because it is closely related to this genus but is phylogenetically distinct.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * P. macmurdoensis ( (Reddy et al. 2003) Krishnamurthi et al. 2009, ; New Latin feminine gender adjective macmurdoensis, pertaining to the McMurdo Region, Antarctica, where the isolates were collected.)
 * P. quisquiliarum ( Krishnamurthi et al. 2009, (Type species of the genus).; Latin genitive case pl. noun quisquiliarum, of wastes, referring to the isolation of the type strain from a municipal landfill site.)

Paenochrobactrum
Paenochrobactrum is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Paenochrobactrum derives from: Latin adv. paene, nearly, almost; New Latin neuter gender noun Ochrobactrum, a bacterial genus name; New Latin neuter gender noun Paenochrobactrum almost Ochrobactrum.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * P. gallinarii ( K&auml;mpfer et al. 2010, (Type species of the genus).; Latin noun gallinarium, a coop; Latin genitive case noun gallinarii, of a coop, referring to the isolation of the type strain from a duck barn.)
 * P. glaciei ( (Romanenko et al. 2008) K&auml;mpfer et al. 2010, ; Latin genitive case noun glaciei, of ice.)

Palaeococcus
Palaeococcus is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Palaeococcus derives from: Greek adjective palaios, ancient; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος), grain, seed), coccus; New Latin masculine gender noun Palaeococcus, ancient spherical cell, denoting the ancient lineage of this organism.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * P. ferrophilus ( Takai et al. 2000, (Type species of the genus).; Latin noun ferrum, iron; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective ferrophilus, iron-loving, indicating that it requires iron for growth in the absence of sulfur.)
 * P. helgesonii ( Amend et al. 2006, ; New Latin genitive case masculine gender noun helgesonii, of Hegelson, in honor of Harold C. Helgeson, aqueous geochemist and biogeochemist, who first recognized the importance of studying thermophiles in their geochemical context.)

Palleronia
Palleronia is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Palleronia derives from: New Latin feminine gender noun Palleronia, named in honour of Professor Norberto Palleroni, a pioneer in the use of molecular identification techniques in prokaryote taxonomy.

Species
The genus contains a single species, namely P. marisminoris ( Mart&iacute;nez-Checa et al. 2005, (Type species of the genus).; Latin genitive case noun maris, of the sea; Latin adjective comp. minor, smaller; New Latin genitive case noun marisminoris, of the smaller sea, i.e. from el Mar Menor, a shallow area of sea highly sheltered from the Mediterranean sea on the south-eastern coast of Spain, from whence the type strain was isolated.)

Paludibacter
Paludibacter is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Paludibacter derives from: Latin noun palus -udis, a swamp, marsh; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, a rod; New Latin masculine gender noun Paludibacter, rod living in swamps.

Species
The genus contains a single species, namely P. propionicigenes ( Ueki et al. 2006, (Type species of the genus).; New Latin noun acidum propionicum, propionic acid; New Latin suff. -genes (from Greek v. gennaō (γεννάω), to produce), producing; New Latin participle adjective propionicigenes, propionic acid producing.)

Paludibacterium
Paludibacterium is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Paludibacterium derives from: Latin noun palus -udis, a marsh; Latin neuter gender noun bacterium, a rod; New Latin neuter gender noun Paludibacterium, a rod isolated from peat.

Species
The genus contains a single species, namely P. yongneupense ( Kwon et al. 2008, (Type species of the genus).; New Latin neuter gender adjective yongneupense, pertaining to Yongneup, a wetland in Korea where the organism was first isolated.)

Pandoraea
Pandoraea is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pandoraea derives from: New Latin feminine gender noun Pandoraea, referring to Pandora&#39;s box in Greek mythology, the origin of diseases of mankind.

Species
The genus contains 6 species (including basonyms and synonyms), namely
 * P. apista ( Coenye et al. 2000, (Type species of the genus).; New Latin feminine gender adjective apista (from. Greek adjective apistos), disloyal, unfaithful, treacherous.)
 * P. norimbergensis ( (Wittke et al. 1998) Coenye et al. 2000, ; New Latin feminine gender adjective norimbergensis, pertaining to Nurnberg, referring to its place of isolation.)
 * P. pnomenusa ( Coenye et al. 2000, ; Greek noun pnoē, breath, breathing; Greek v. menō, to stay, wait; New Latin feminine gender adjective pnomenusa, referring to the lung as the niche of these bacteria.)
 * P. pulmonicola ( Coenye et al. 2000, ; Latin noun pulmo -onis, lung; Latin suff. -cola (from Latin noun incola), inhabitant, dweller; New Latin noun pulmonicola, lung-dweller, occurring in lungs.)
 * P. sputorum ( Coenye et al. 2000, ; Latin noun sputum, spit, sputum; Latin genitive case pl. noun sputorum, of sputa.)
 * P. thiooxydans ( Anandham et al. 2010, ; Greek noun theion (θέω) (Latin transliteration thium), sulfur; New Latin v. oxydo, to make acid, oxidize; New Latin participle adjective thiooxydans, oxidizing sulfur.)

Pannonibacter
Pannonibacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pannonibacter derives from: Latin noun Pannonia, Roman province in what is now Hungary, also referring to &#39;Pannon lakes&#39;, shallow soda lakes found in the western part of Hungary; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Pannonibacter, rod-shaped microbe from a Hungarian soda lake.

Species
The genus contains a single species, namely P. phragmitetus ( Borsodi et al. 2003, (Type species of the genus).; New Latin masculine gender adjective phragmitetus, of the plant association Scirpo-Phragmitetum, the habitat of the micro-organism.)

Pantoea
Pantoea is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pantoea derives from: Greek adjective pantoios, of all sorts or sources; New Latin feminine gender noun Pantoea, [bacteria] from diverse [geographical and ecological] sources.

Species
The genus contains 19 species (including basonyms and synonyms), namely
 * P. agglomerans ( (Ewing and Fife 1972) Gavini et al. 1989, (Type species of the genus).; Latin v. agglomerare, to wind on (as on a ball);  Latin participle adjective agglomerans, forming into a ball (referring to the occurrence of symplasmata bacteria in aggregates surrounded by a translucent sheath in anaerogenic strains).)
 * P. allii ( Brady et al. 2011, ; New Latin noun Allium (from Latin noun allium, garlic) the scientific generic name of the onion (Allium sp.); New Latin genitive case noun allii, of/from Allium, referring to the isolation of the first strains from Allium cepa Latin)
 * P. ananatis ( corrig. (Serrano 1928) Mergaert et al. 1993, ; New Latin Ananas -atis, generic name of the pineapple; New Latin genitive case noun ananatis, of Ananas, of the pineapple.)
 * P. anthophila ( Brady et al. 2009, ; Greek noun anthos, flower; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin feminine gender adjective anthophila, flower-loving, pertaining to the source of isolation of known strains.)
 * P. brenneri ( Brady et al. 2010, ; New Latin genitive case masculine gender noun brenneri, of Brenner, named after Don J. Brenner, in recognition of his contribution in resolving the Erwinia herbicola–Enterobacter agglomerans complex.)
 * P. calida ( Popp et al. 2010, ; Latin feminine gender adjective calida, warm, hot, reflecting its ability to grow at 44 &deg;C.)
 * P. citrea ( Kageyama et al. 1992, ; Latin feminine gender adjective citrea, of or pertaining to the citrus-tree.)
 * P. conspicua ( Brady et al. 2010, ; Latin feminine gender adjective conspicua, conspicuous, referring to the conspicuous separation from other strains within DNA HG V.)
 * P. cypripedii ( (Hori 1911) Brady et al. 2010, ; New Latin noun Cypripedium, generic name; New Latin genitive case noun cypripedii, of Cypripedium, of cypripedium orchids.)
 * P. deleyi ( Brady et al. 2009, ; New Latin masculine gender genitive case noun deleyi, of De Ley, named for Jozef De Ley, who contributed to the formation of the genus Pantoea.)
 * P. dispersa ( Gavini et al. 1989, ; Latin v. dispergere, to spread, to scatter; Latin feminine gender participle adjective dispersa, spread, scattered.)
 * P. eucalypti ( Brady et al. 2009, ; New Latin genitive case noun eucalypti, of Eucalyptus, referring to the host from which the first strains where isolated.)
 * P. eucrina ( Brady et al. 2010, ; New Latin feminine gender adjective eucrina (from Greek adjective eukrines), well-separated, referring to the clear separation of the strains from other species within the genus.)
 * P. gaviniae ( Popp et al. 2010, ; New Latin feminine gender genitive case noun gaviniae, of Gavini, in honour of Fran&ccedil;oise Gavini, a French microbiologist who first described the genus Pantoea.)
 * P. punctata ( Kageyama et al. 1992, ; Latin noun punctum, a point; New Latin feminine gender adjective punctata, full of points.)
 * P. septica ( Brady et al. 2010, ; New Latin feminine gender adjective septica (from Greek adjective septikos), putrefying, decaying or septic, referring to the septicaemia outbreak associated with these strains.)
 * P. stewartii ( (Smith 1898) Mergaert et al. 1993, ; New Latin genitive case noun stewartii, of Stewart; named after F.C. Stewart.)
 * P. stewartii ( subsp. indologenes Mergaert et al. 1993, ; New Latin noun indolum, indole; New Latin suff. -genes (from Greek v. gennaō (γεννάω), to produce), producing; New Latin adjective indologenes, indole producing.)
 * P. stewartii ( subsp. stewartii (Smith 1898) Mergaert et al. 1993, ; New Latin genitive case noun stewartii, of Stewart; named after F.C. Stewart.)
 * P. terrea ( Kageyama et al. 1992, ; Latin feminine gender adjective terrea, of earth, of soil.)
 * P. vagans ( Brady et al. 2009, ; Latin participle adjective vagans, roaming, referring to the wide distribution of the species.)

Papillibacter
Papillibacter is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Papillibacter derives from: Latin feminine gender noun papilla, teat; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod or staff; New Latin masculine gender noun Papillibacter, a rod with ends looking like a teat.

Species
The genus contains a single species, namely P. cinnamivorans ( Defnoun et al. 2000, (Type species of the genus).; New Latin noun acidum cinnamicum, cinnamic acid; Latin participle adjective vorans, devouring, digesting; New Latin participle adjective cinnamivorans, referring to the ability to digest cinnamic acid.)

Parabacteroides
Parabacteroides is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Parabacteroides derives from: Greek prep. para, beside; New Latin masculine gender noun Bacteroides, a genus name; New Latin masculine gender noun Parabacteroides, resembling the genus Bacteroides.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * P. distasonis ( (Eggerth and Gagnon 1933) Sakamoto and Benno 2006, (Type species of the genus).; New Latin genitive case noun distasonis, of Distaso, named after A. Distaso, a Romanian bacteriologist.)
 * P. goldsteinii ( (Song et al. 2006) Sakamoto and Benno 2006, ; New Latin genitive case noun goldsteinii, of Ellie J. C. Goldstein, in honor of the outstanding infectious disease clinician who has done a lot of work with anaerobes.)
 * P. gordonii ( Sakamoto et al. 2009, ; New Latin masculine gender genitive case noun gordonii, of Gordon, named after the American biologist Jeffrey I. Gordon, in recognition of his many contributions to intestinal microbiology.)
 * P. johnsonii ( Sakamoto et al. 2007, ;: New Latin genitive case noun johnsonii, of Johnson, named after the American molecular taxonomist John Latin Johnson, who was the first to describe Bacteroides merdae (Parabacteroides merdae).)
 * P. merdae ( (Johnson et al. 1986) Sakamoto and Benno 2006, ; Latin genitive case noun merdae, of feces, referring to source of isolate.)

Parachlamydia
Parachlamydia is a genus in the phylum Chlamydiae (Bacteria).

Etymology
The name Parachlamydia derives from: Greek prep. para, beside, alongside of, near, like; New Latin feminine gender noun Chlamydia, taxonomic name of a bacterial genus; New Latin feminine gender noun Parachlamydia, resembling the genus Chlamydia.

Species
The genus contains a single species, namely P. acanthamoebae ( Everett et al. 1999, (Type species of the genus).; New Latin noun Acanthamoeba,  taxonomic name of a genus of Acanthamoebidae; New Latin genitive case noun acanthamoebae, of (living in) members of the genus Acanthamoeba.)

Paracoccus
Paracoccus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Paracoccus derives from: Greek prep. para, alongside of, resembling; New Latin masculine gender noun coccus (from Greek noun kokkos (κόκκος)), a grain, berry; New Latin masculine gender noun Paracoccus, like a coccus.

Species
The genus contains 31 species (including basonyms and synonyms), namely
 * P. aestuarii ( Roh et al. 2009, ; Latin genitive case noun aestuarii, of a tidal flat.)
 * P. alcaliphilus ( Urakami et al. 1989, ; New Latin noun alcali (from Arabic article al, the; Arabic noun qaliy, ashes of saltwort), alcali; New Latin masculine gender adjective philus (from Greek masculine gender adjective φίλος), friend, loving; New Latin masculine gender adjective alcaliphilus, liking alkaline media.)
 * P. alkenifer ( Lipski et al. 1998, ; New Latin noun alkenum, alkene, unsaturated hydrocarbons; Latin suff. -fer (from Latin v. fero), bearing, carrying, producing; New Latin adjective alkenifer, alkene-bearing, referring to the occurrence of unusual monounsaturated fatty acids in whole-cell hydrolysates.)
 * P. aminophilus ( Urakami et al. 1990, ; New Latin noun aminum, amine; New Latin masculine gender adjective philus (from Greek masculine gender adjective φίλος), friend, loving; New Latin masculine gender adjective aminophilus, amine loving.)
 * P. aminovorans ( Urakami et al. 1990, ; New Latin noun aminum, amine; Latin participle adjective vorans, eating, devouring; New Latin participle adjective aminovorans, amine eating.)
 * P. bengalensis ( Ghosh et al. 2006, ; New Latin masculine gender adjective bengalensis, pertaining to Bengal, after the name of the province West Bengal of India from where the bacterium was isolated.)
 * P. carotinifaciens ( Tsubokura et al. 1999, ; New Latin noun caroten -inis, carotene; Latin participle adjective faciens, making, producing; New Latin participle adjective carotinifaciens, carotene/carotenoid-producing.)
 * P. chinensis ( Li et al. 2009, ; New Latin masculine gender adjective chinensis, pertaining to China, where the type strain was isolated and studied.)
 * P. denitrificans ( (Beijerinck and Minkman 1910) Davis 1969, species. (Type species of the genus).; Latin prep. de, away from; New Latin v. denitrifico, to denitrify; New Latin participle adjective denitrificans, denitrifying.)
 * P. fistulariae ( Kim et al. 2010, ; New Latin genitive case noun fistulariae, of Fistularia, named after the generic name of the bluespotted cornetfish, Fistularia commersonii, from which the type strain was isolated.)
 * P. haeundaensis ( Lee et al. 2004, ; New Latin masculine gender adjective haeundaensis, pertaining to Haeundae beach in Busan, Korea, where the type strain was isolated.)
 * P. halodenitrificans ( (Robinson and Gibbons 1952) Davis 1969, species.; Greek noun hals, halos (ἅλς, ἁλός), salt; New Latin v. denitrifico, to denitrify; New Latin participle adjective halodenitrificans, salt (requiring) denitrifying.)
 * P. halophilus ( Liu et al. 2008, ; Greek noun hals, halos (ἅλς, ἁλός), salt; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective halophilus, salt-loving.)
 * P. homiensis ( Kim et al. 2006, ; New Latin masculine gender adjective homiensis, pertaining to Homi Cape, South Korea, where the type strain was isolated.)
 * P. isoporae ( Chen et al. 2011, ; New Latin genitive case noun isoporae, of Isopora, a genus of coral, from which the strain was isolated.)
 * P. kocurii ( Ohara et al. 1990, ; New Latin genitive case masculine gender noun kocurii, of Kocur; named after Miloslav Kocur, Czechoslovakian bacteriologist.)
 * P. kondratievae ( Doronina and Trotsenko 2001, ; New Latin genitive case feminine gender noun kondratievae, of Kondratieva, named after the prominent Russian microbiologist Elena N. Kondratieva.)
 * P. koreensis ( La et al. 2005, ; New Latin masculine gender adjective koreensis, pertaining to Korea, the location of the granule samples from which the type strain was isolated.)
 * P. marcusii ( Harker et al. 1998, ; New Latin genitive case masculine gender noun marcusii, of Marcus, named after Menashe Marcus, an Israeli geneticist.)
 * P. marinus ( Khan et al. 2008, ; Latin masculine gender adjective marinus, of or belonging to the sea, marine.)
 * P. methylutens ( Doronina et al. 1998, ; New Latin noun methylum (from French m&eacute;thyle, back-formation from French m&eacute;thyl&egrave;ne, coined from Greek noun methu, wine and Greek noun hulē, wood), methyl compound; Latin participle adjective utens (from Latin v. utor, to make use of), using; New Latin participle adjective methylutens, using methyl groups.)
 * P. pantotrophus ( (Robertson and Kuenen 1984) Rainey et al. 1999, ; New Latin masculine gender adjective pantotrophus (from Greek pantotrophos), omnivorous.)
 * P. saliphilus ( Wang et al. 2009, ; Latin noun sal salis, salt; Greek masculine gender adjective φίλος, loving; New Latin masculine gender adjective saliphilus, salt-loving.)
 * P. seriniphilus ( Pukall et al. 2003, ; New Latin noun serinum, serine; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective seriniphilus, serine-loving.)
 * P. solventivorans ( Siller et al. 1996, ; New Latin noun solvens -entis (from Latin participle adjective solvens, dissolving), a solvent; Latin participle adjective vorans, eating, devouring; New Latin participle adjective solventivorans, solvent-eating.)
 * P. sphaerophysae ( Deng et al. 2011, ; New Latin genitive case noun sphaerophysae, of Sphaerophysa, a genus of leguminous plants, referring to the origin of the type strain.)
 * P. sulfuroxidans ( Liu et al. 2006, ;: Latin noun sulfur, sulfur; New Latin participle adjective oxidans, oxidizing; New Latin participle adjective sulfuroxidans, pertaining to the ability to oxidize sulfur.)
 * P. thiocyanatus ( Katayama et al. 1996, ; New Latin noun thiocyanas -atis, thiocyanate; New Latin masculine gender adjective thiocyanatus, referring to the ability to use thiocyanate.)
 * P. versutus ( (Harrison 1983) Katayama et al. 1996, ; Latin masculine gender adjective versutus, versatile.)
 * P. yeei ( corrig. Daneshvar et al. 2003, ; New Latin genitive case noun yeei, in honour of Robert B. Yee, an American bacteriologist who has contributed to the characterization of pathogenic bacteria.)
 * P. zeaxanthinifaciens ( Berry et al. 2003, ; New Latin neuter gender noun zeaxanthinum, zeaxanthin; Latin participle pres. faciens, making/producing; New Latin participle adjective zeaxanthinifaciens, zeaxanthin-producing.)

Paracraurococcus
Paracraurococcus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Paracraurococcus derives from: Greek prep. para, beside, alongside of, near, like; New Latin masculine gender noun Craurococcus, a generic name; New Latin masculine gender noun Paracraurococcus, like Craurococcus.

Species
The genus contains a single species, namely P. ruber ( Saitoh et al. 1998, (Type species of the genus).; Latin masculine gender adjective ruber, red, red-colored.)

Paraeggerthella
Paraeggerthella is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Paraeggerthella derives from: Greek prep. para, beside, alongside of, near, like; New Latin feminine gender noun Eggerthella, a bacterial genus name; New Latin feminine gender noun Paraeggerthella, beside Eggerthella, named in recognition of the close relationship to the genus Eggerthella.

Species
The genus contains a single species, namely P. hongkongensis ( (Lau et al. 2006) W&uuml;rdemann et al. 2009, (Type species of the genus).; New Latin feminine gender adjective hongkongensis, pertaining to Hong Kong, the city where the bacterium was discovered.)

Paraferrimonas
Paraferrimonas is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Paraferrimonas derives from: Greek prep. para, beside; New Latin feminine gender noun Ferrimonas, a bacterial genus name; New Latin feminine gender noun Paraferrimonas, beside Ferrimonas.

Members of the genus Paraferrimonas can be referred to as paraferrimonad (viz. Trivialisation of names).

Species
The genus contains a single species, namely P. sedimenticola ( Khan and Harayama 2007, (Type species of the genus).; Latin neuter gender noun sedimentum, a settling, sediment; Latin suffix -cola, dweller; New Latin masculine gender noun sedimenticola, sediment dweller, referring to the isolation of the strains from sediment at Okinawa Island.)

Paralactobacillus
Paralactobacillus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Paralactobacillus derives from: Greek prep. para, resembling; New Latin noun Lactobacillus, a bacterial genus; New Latin masculine gender noun Paralactobacillus, resembling the genus Lactobacillus.

Species
The genus contains a single species, namely P. selangorensis ( Leisner et al. 2000, (Type species of the genus).; New Latin masculine gender adjective selangorensis, pertaining to the province of Selangor, Malaysia.)

Paraliobacillus
Paraliobacillus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Paraliobacillus derives from:
 * Greek adjective paralios, littoral; Latin masculine gender noun bacillus, rod; New Latin masculine gender noun Paraliobacillus, rod inhabiting littoral (marine) environment.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * P. quinghaiensis ( Chen et al. 2009, ; New Latin masculine gender adjective quinghaiensis, pertaining to Qinghai, western province of China, where the type strain was isolated.)
 * P. ryukyuensis ( Ishikawa et al. 2003, (Type species of the genus).;: New Latin masculine gender adjective ryukyuensis, from the Ryukyu Islands, Japan, where the type strain was isolated.)

Paramoritella
Paramoritella is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Paramoritella derives from: Greek prep. para, beside; New Latin feminine gender noun Moritella, a bacterial genus name; New Latin feminine gender noun Paramoritella, beside Moritella.

Species
The genus contains a single species, namely P. alkaliphila ( Hosoya et al. 2009, (Type species of the genus).; New Latin noun alkali, alkali; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin feminine gender adjective alkaliphila, loving alkaline conditions.)

Paraoerskovia
Paraoerskovia is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Paraoerskovia derives from: Greek prep. para, beside; New Latin feminine gender noun Oerskovia, a bacterial genus name; New Latin feminine gender noun Paraoerskovia, beside or close to Oerskovia.

Species
The genus contains a single species, namely P. marina ( Khan et al. 2009, (Type species of the genus).; Latin feminine gender adjective marina, of the sea, marine.)

Parapedobacter
Parapedobacter is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Parapedobacter derives from: Greek pref. para-, like, beside; New Latin masculine gender noun Pedobacter, a bacterial genus; New Latin masculine gender noun Parapedobacter, like Pedobacter, referring to the close relationship to the genus.

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * P. composti ( Kim et al. 2010, ; N. Latin genitive case noun composti, of/from compost.)
 * P. koreensis ( Kim et al. 2007, (Type species of the genus).; New Latin masculine gender adjective koreensis, of Korea, from where the type strain was isolated.)
 * P. luteus ( Kim et al. 2010, ; Latin masculine gender adjective luteus, golden yellow, reflecting the colour of colonies.)
 * P. soli ( Kim et al. 2008, ; Latin genitive case noun soli, of soil, the source of the type strain.)

Paraprevotella
Paraprevotella is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Paraprevotella derives from: Greek prep. para, beside, next to; New Latin feminine gender noun Prevotella, name of a bacterial genus; New Latin feminine gender noun Paraprevotella, a genus similar to Prevotella.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * P. clara ( Morotomi et al. 2009, (Type species of the genus).; Latin feminine gender adjective clara, clear, bright, shining or brilliant, referring to the colony characteristics.)
 * P. xylaniphila ( Morotomi et al. 2009, ; New Latin noun xylanum, xylan; New Latin feminine gender adjective phila (from Greek feminine gender adjective philē (φίλη)), loving; New Latin feminine gender adjective xylaniphila, xylan-loving.)

Parapusillimonas
Parapusillimonas is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Parapusillimonas derives from: Greek prep. para, beside, alongside of, near, like; New Latin feminine gender noun Pusillimonas, bacterial genus name; New Latin feminine gender noun Parapusillimonas, a bacterium like Pusillimonas.

Members of the genus Parapusillimonas can be referred to as parapusillimonad (viz. Trivialisation of names).

Species
The genus contains a single species, namely P. granuli ( Kim et al. 2010, (Type species of the genus).; Latin genitive case noun granuli, of a small grain, pertaining to a granule, from which the type strain was isolated.)

Parascardovia
Parascardovia is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Parascardovia derives from: Greek prep. para, beside, alongside of, near, like; New Latin feminine gender noun Scardovia, a bacterial generic name; New Latin feminine gender noun Parascardovia, resembling Scardovia.

Species
The genus contains a single species, namely P. denticolens ( (Crociani et al. 1996) Jian and Dong 2002, (Type species of the genus).; Latin noun dens dentis, tooth; Latin v. colere, to dwell; Latin participle adjective colens, dwelling; New Latin participle adjective denticolens, tooth-dwelling.)

Parasegetibacter
Parasegetibacter is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Parasegetibacter derives from: Greek prep. para, beside, alongside of, near, like; New Latin masculine gender noun Segetibacter, the name of a bacterial genus; New Latin masculine gender noun Parasegetibacter, resembling the genus Segetibacter.

Species
The genus contains a single species, namely P. luojiensis ( Zhang et al. 2009, (Type species of the genus).; New Latin masculine gender adjective luojiensis, pertaining to Luojia hill, where the campus of Wuhan University is located, where studies of the type strain were conducted.)

Parasporobacterium
Parasporobacterium is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Parasporobacterium derives from: Greek prep. para, besides, next to; New Latin neuter gender noun Sporobacterium, name of a bacterial genus; New Latin neuter gender noun Parasporobacterium, a genus similar to Sporobacterium.

Species
The genus contains a single species, namely P. paucivorans ( Lomans et al. 2004, (Type species of the genus).; Latin adjective paucus, few, little; Latin participle adjective vorans, devouring; New Latin neuter gender participle adjective paucivorans, degrading a limited number of substrates.)

Parasutterella
Parasutterella is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Parasutterella derives from: Greek prep. para, beside, alongside of, near, like; New Latin feminine gender noun Sutterella, name of a bacterial genus; New Latin feminine gender noun Parasutterella, a genus similar to Sutterella.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * P. excrementihominis ( Nagai et al. 2009, (Type species of the genus).; Latin noun excrementum, excrement; Latin noun homo -inis, human being, man; New Latin genitive case noun excrementihominis, of faeces of a human.)
 * P. secunda ( Morotomi et al. 2011, ; Latin feminine gender adjective secunda, next to the first, the second, referring to the second species of the genus Parasutterella to be described.)

Parvibaculum
Parvibaculum is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Parvibaculum derives from: Latin adjective parvus, small; Latin neuter gender noun baculum, stick; New Latin neuter gender noun Parvibaculum, small stick.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * P. indicum ( Lai et al. 2011, ; Latin neuter gender adjective indicum, Indian, referring to the Indian Ocean where the type strain was isolated.)
 * P. lavamentivorans ( Schleheck et al. 2004, (Type species of the genus).; Latin v. lavo, to wash; Latin neuter gender suff. -mentum, agent of (specified) action; Latin participle adjective vorans, consuming; New Latin participle adjective lavamentivorans, consuming (chemicals) used for washing.)

Parvimonas
Parvimonas is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Parvimonas derives from:
 * Latin adjective parvus, little, small; Latin feminine gender noun monas (μονάς / μονάδα), nominally meaning "a unit", but in effect meaning a bacterium; New Latin feminine gender noun Parvimonas, a small monad.

Members of the genus Parvimonas can be referred to as parvimonad (viz. Trivialisation of names).

Species
The genus contains a single species, namely P. micra ( (Pr&eacute;vot 1933) Tindall and Euz&eacute;by 2006, (Type species of the genus).;: Greek adjective mikros (μικρός) -ē -on, small, little; New Latin feminine gender adjective micra, small, little.)

Parvularcula
Parvularcula is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Parvularcula derives from: Latin adjective parvulus, very small; Latin feminine gender noun arcula, a jewel-casket; New Latin feminine gender noun Parvularcula, a very small jewel-casket.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * P. bermudensis ( Cho and Giovannoni 2003, (Type species of the genus).; New Latin feminine gender adjective bermudensis, from the Bermuda Islands, the geographical origin of the type strain of the species.)
 * P. lutaonensis ( Arun et al. 2009, ; New Latin feminine gender adjective lutaonensis, pertaining to Lutao, a small volcanic island off the eastern coast of Taiwan.)

Pasteurella
Pasteurella is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pasteurella derives from: New Latin dim. feminine gender noun Pasteurella, named after Louis Pasteur.

Species
The genus contains 21 species (including basonyms and synonyms), namely
 * P. aerogenes ( McAllister and Carter 1974, species.; Greek noun aer, aeros (ἀήρ, ἀέρος), air; Greek v. gennao, engender, produce; New Latin feminine gender adjective aerogenes, air-generating, gaz-producing.)
 * P. anatis ( Mutters et al. 1985, ; Latin genitive case noun anatis, of a duck.)
 * P. avium ( (Hinz and Kunjara 1977) Mutters et al. 1985, ; Latin genitive case pl. noun avium, of birds.)
 * P. bettyae ( corrig. Sneath and Stevens 1990, ; New Latin genitive case feminine gender noun bettiyae, of Bett, named for Elizabeth (Betty) 0. King.)
 * P. caballi ( Schlater et al. 1990, ; Latin genitive case caballi, of a horse.)
 * P. canis ( Mutters et al. 1985, ; Latin genitive case noun canis, of a dog.)
 * P. dagmatis ( Mutters et al. 1985, ; Greek noun dagma -atos, bite; New Latin genitive case noun dagmatis, of/from a bite.)
 * P. gallicida ( (Burrill 1883) Buchanan 1925, species.; Latin noun gallus, a cock; Latin suff. -cida (from Latin v. caedo, to cut or kill), murderer, killer; New Latin noun gallicida, killer of cock, referring to pathogenicity for poultry.)
 * P. gallinarum ( Hall et al. 1955, species.; Latin genitive case pl. noun gallinarum, of hens.)
 * P. granulomatis ( Ribeiro et al. 1990, ; New Latin noun granuloma, a granuloma; New Latin genitive case noun granulomatis, of a granuloma.)
 * P. haemolytica ( Newsom and Cross 1932, species.; Greek noun haima (Latin transliteration haema), blood; New Latin feminine gender adjective lytica (from Greek feminine gender adjective lutikē), able to loose, able to dissolve; New Latin feminine gender adjective haemolytica, blood dissolving, referring to the hemolysis seen on blood agar.)
 * P. langaaensis ( corrig. Mutters et al. 1985, ; New Latin feminine gender adjective langaaensis, pertaining to to the village of Langaa in Denmark.)
 * P. lymphangitidis ( Sneath and Stevens 1990, ; New Latin genitive case noun lymphangitidis, of or pertaining to lymphangitis, inflammation of the lymph nodes.)
 * P. mairii ( corrig. Sneath and Stevens 1990, ; New Latin genitive case noun mairii, of Mair, named after N.S. Mair, who isolated the organism.)
 * P. multocida ( (Lehmann and Neumann 1899) Rosenbusch and Merchant 1939, species. (Type species of the genus).; Latin adjective multus, many; Latin v. caedo, to cut or kill; New Latin feminine gender adjective multocida, many killing, i.e., pathogenic for many species of animals.)
 * P. multocida ( subsp. gallicida Mutters et al. 1985, ; Latin noun gallus, a cock; Latin suff. -cida (from Latin v. caedo, to cut or kill), murderer, killer; New Latin noun gallicida, killer of cock, referring to pathogenicity for poultry.)
 * P. multocida ( subsp. multocida (Lehmann and Neumann 1899) Rosenbusch and Merchant 1939, ; Latin adjective multus, many; Latin v. caedo, to cut or kill; New Latin feminine gender adjective multocida, many killing, i.e., pathogenic for many species of animals.)
 * P. multocida ( subsp. septica Mutters et al. 1985, ; Latin feminine gender adjective septica, producing a putrefaction or an infection, putrefying, septic.)
 * P. pneumotropica ( Jawetz 1950, species.; New Latin feminine gender adjective pneumotropica, having an affinity for the lungs.)
 * P. skyensis ( Birkbeck et al. 2002, ; New Latin feminine gender adjective skyensis, of or belonging to the Isle of Skye.)
 * P. stomatis ( Mutters et al. 1985, ; Greek noun stoma stomatos, mouth; New Latin genitive case noun stomatis, of the mouth, throat.)
 * P. testudinis ( Snipes and Biberstein 1982, ; Latin noun testudo -inis, tortoise; Latin genitive case noun testudinis, of the tortoise.)
 * P. trehalosi ( Sneath and Stevens 1990, ;: New Latin noun trehalosum, trehalose; New Latin genitive case noun trehalosi, of trehalose, pertaining to trehalose.)
 * P. ureae ( Jones 1962, species.; New Latin noun urea, urea; New Latin genitive case noun ureae, of urea; intended to mean that urea is converted into ammonium carbonate?)
 * P. volantium ( Mutters et al. 1985, ; Latin pl. noun volantes -ium, birds; Latin genitive case pl. noun volantium, of birds.)

Pasteuria
Pasteuria is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Pasteuria derives from: New Latin feminine gender noun Pasteuria, named after Louis Pasteur, French savant and scientist.

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * P. nishizawae ( Sayre et al. 1992, ; New Latin genitive case noun nishizawae, of Nishizawa, named after Tsutomu Nishizawa, a Japanese nematologist who discovered and first investigated bacterial parasites of cyst-forming nematodes.)
 * P. penetrans ( (ex Thorne 1940) Sayre and Starr 1986, nom. rev., ; Latin participle adjective penetrans, penetrating, entering)
 * P. ramosa ( Metchnikoff 1888, species. (Type species of the genus).; Latin feminine gender adjective ramosa, much-branched.)
 * P. thornei ( Starr and Sayre 1988, ; New Latin genitive case noun thornei, of Thorne, named after Gerald Thorne, a nematologist from the United States, who described and named this parasite of Pratylenchus as a protozoan parasite.)

Patulibacter
Patulibacter is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Patulibacter derives from: Latin adjective patulus, spreading; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, a rod; New Latin masculine gender noun Patulibacter bacterium with spreading growth.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * P. americanus ( Reddy and Garcia-Pichel 2009, ; New Latin masculine gender adjective americanus, American, referring to the isolation of the type strain from the Colorado Plateau.)
 * P. minatonensis ( Takahashi et al. 2006, (Type species of the genus).; New Latin masculine gender adjective minatonensis, pertaining to Minato-ku, the ward of Tokyo, Japan, where the type strain was isolated.)

Paucibacter
Paucibacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Paucibacter derives from: Latin adjective paucus, few, little; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Paucibacter, a rod that is content with a few carbon sources.

Species
The genus contains a single species, namely P. toxinivorans ( Rapala et al. 2005, (Type species of the genus).; New Latin noun toxinum, toxin; Latin participle adjective vorans, devouring; New Latin participle adjective toxinivorans, eating toxins, pertaining to its ability to degrade cyanobacterial hepatotoxins.)

Paucimonas
Paucimonas is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Paucimonas derives from: Latin adjective paucus, little, few; Latin feminine gender noun monas (μονάς / μονάδα), unit, monad; New Latin feminine gender noun Paucimonas, a unit (bacterium) with restricted (few) metabolic capacities.

Members of the genus Paucimonas can be referred to as paucimonad (viz. Trivialisation of names).

Species
The genus contains a single species, namely P. lemoignei ( (Delafield et al. 1965) Jendrossek 2001, (Type species of the genus).; New Latin genitive case masculine gender noun lemoignei, of Lemoigne; named after M.H. Lemoigne, a French bacteriologist.)

Paucisalibacillus
Paucisalibacillus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Paucisalibacillus derives from: Latin adjective paucus, few, little; Latin noun sal salis, salt; Latin masculine gender noun bacillus, a small staff, a wand; New Latin masculine gender noun Paucisalibacillus, a rod that needs only small amounts of salt.

Species
The genus contains a single species, namely P. globulus ( Nunes et al. 2006, (Type species of the genus).; Latin noun globulus (nominative in apposition), a little ball, a globule, because the bacterium forms colonies that are similar to a little ball, a globule.)

Pectinatus
Pectinatus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Pectinatus derives from: Latin participle adjective pectinatus, combed; New Latin masculine gender noun Pectinatus, combed (bacterium).

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * P. cerevisiiphilus ( Lee et al. 1978, species. (Type species of the genus).; Latin noun cerevisia, beer; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective cerevisiiphilus, beer-loving (bacteria).)
 * P. frisingensis ( Schleifer et al. 1990, ; New Latin masculine gender adjective frisingensis, of Frisinga, the Latin name of Freising, the German town where the organism was isolated.)
 * P. haikarae ( Juvonen and Suihko 2006, ; New Latin genitive case noun haikarae, of Haikara, named after Dr Auli Haikara for her many contributions to the characterization and detection of Pectinatus species.)
 * P. portalensis ( Gonzalez et al. 2005, ; New Latin masculine gender adjective portalensis, of El Portal, an area of Jerez de la Frontera, Cadiz, Spain, where the type strain was isolated.)

Pectobacterium
Pectobacterium is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pectobacterium derives from: New Latin suff. pecto- (from Greek adjective pēktos, curdled, congealed), pertaining to pectin; Latin neuter gender noun bacterium, a small rod; New Latin neuter gender noun Pectobacterium, a pectolytic bacterium.

Species
The genus contains 9 species (including basonyms and synonyms), namely
 * P. atrosepticum ( (van Hall 1902) Gardan et al. 2003, ; Latin adjective ater -tra -trum, black; Latin adjective septicus, producing a putrefaction, putrefying, septic; New Latin neuter gender adjective atrosepticum, producing a black rot.)
 * P. betavasculorum ( (Thomson et al. 1984) Gardan et al. 2003, ; Latin noun beta, beet; Latin noun vasculum, a small vessel; New Latin pl. genitive case noun betavasculorum, of the beet&#39; s vascular tissues.)
 * P. cacticida ( corrig. (Alcorn et al. 1991) Hauben et al. 1999, ; Latin noun cactus, a prickly plant with edible stalks, a cactus; Latin suff. -cida (from Latin v. caedo, to cut or kill), murderer, killer; New Latin noun cacticida, a killer of cactus.)
 * P. carnegieana ( (Standring 1942) Brenner et al. 1973, species.; New Latin feminine gender adjective carnegieana, of Carnegiea, the generic name of a cactus.)
 * P. carotovorum ( (Jones 1901) Waldee 1945, species. (Type species of the genus).; Latin noun carota, carrot; Latin v. vorare, to devour; New Latin neuter gender adjective carotovorum, carrot-devouring.)
 * P. carotovorum ( subsp. atrosepticum (van Hall 1902) Hauben et al. 1999, ; Latin adjective ater -tra -trum, black; Latin adjective septicus, producing a putrefaction, putrefying, septic; New Latin neuter gender adjective atrosepticum, producing a black rot.)
 * P. carotovorum ( subsp. betavasculorum (Thomson et al. 1984) Hauben et al. 1999, ; Latin noun beta, beet; Latin noun vasculum, a small vessel; New Latin pl. genitive case noun betavasculorum, of the beet&#39; s vascular tissues.)
 * P. carotovorum ( subsp. carotovorum (Jones 1901) Hauben et al. 1999, ; Latin noun carota, carrot; Latin v. vorare, to devour; New Latin neuter gender adjective carotovorum, carrot-devouring.)
 * P. carotovorum ( subsp. odoriferum (Gallois et al. 1992) Hauben et al. 1999, ; Latin adjective odorifer -era -erum, bringing or spreading odors, fragrant, odoriferous; Latin neuter gender adjective odoriferum, fragrant.)
 * P. carotovorum ( subsp. wasabiae (Goto and Matsumoto 1987) Hauben et al. 1999, ; New Latin genitive case noun wasabiae, of wasabi (Eutrema wasabi), name of host plant.)
 * P. chrysanthemi ( (Burkholder et al. 1953) Brenner et al. 1973, species.; New Latin genitive case noun Chrysanthemi, of the plant genus Chrysanthemum.)
 * P. cypripedii ( (Hori 1911) Brenner et al. 1973, species.; New Latin noun Cypripedium, generic name; New Latin genitive case noun cypripedii, of Cypripedium, of cypripedium orchids.)
 * P. rhapontici ( (Millard 1924) Patel and Kulkarni 1951, species.; New Latin noun rhaponticum, specific epithet of Rheum rhaponticum, rhubarb; New Latin genitive case noun rhapontici, of rhaponticum, of rhubarb.)
 * P. wasabiae ( (Goto and Matsumoto 1987) Gardan et al. 2003, ; New Latin genitive case noun wasabiae, of wasabi (Eutrema wasabi), name of host plant.)

Pediococcus
Pediococcus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Pediococcus derives from: Greek noun pedium, a plane surface; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος), grain, seed), coccus; New Latin masculine gender noun Pediococcus, coccus growing in one plane.

Species
The genus contains 15 species (including basonyms and synonyms), namely
 * P. acidilactici ( Lindner 1887, species.; New Latin genitive case noun acidilactici, of lactic acid.)
 * P. argentinicus ( De Bruyne et al. 2008, ; New Latin masculine gender adjective argentinicus, pertaining to Argentina.)
 * P. cellicola ( Zhang et al. 2005, ; Latin noun cella, a storeroom for wine and food; Latin suff. -cola (from Latin noun incola), an inhabitant dweller; New Latin noun cellicola, an inhabitant of a storeroom, indicating that the strains were originally isolated from a distilled-spirit-fermenting cellar.)
 * P. claussenii ( Dobson et al. 2002, ; New Latin genitive case noun claussenii, of Claussen, in honor of N.H. Claussen)
 * P. damnosus ( Claussen 1903, species. (Type species of the genus).; Latin masculine gender adjective damnosus, destructive.)
 * P. dextrinicus ( (Coster and White 1964) Back 1978, species.; New Latin noun dextrinum, dextrin; Latin masculine gender suff. -icus, suffix used with the sense of belonging to; New Latin masculine gender adjective dextrinicus, relating to dextrin.)
 * P. ethanolidurans ( Liu et al. 2006, ; New Latin noun ethanol, ethanol; Latin participle adjective durans, insensible, resisting; New Latin participle adjective ethanolidurans, ethanol-resisting.)
 * P. halophilus ( Mees 1934, species.; Greek noun hals, halos (ἅλς, ἁλός), salt; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective halophilus, salt-loving.)
 * P. inopinatus ( Back 1988, ; Latin masculine gender adjective inopinatus, unexpected.)
 * P. lolii ( Doi et al. 2009, ; Latin genitive case noun lolii, of ryegrass.)
 * P. parvulus ( Gunther and White 1961, species.; Latin dim. masculine gender adjective parvulus, very small.)
 * P. pentosaceus ( Mees 1934, species.; New Latin neuter gender noun pentosum, a pentose sugar; New Latin adjective pentosaceus, relating to a pentose.)
 * P. siamensis ( Tanasupawat et al. 2007, ; New Latin masculine gender adjective siamensis, pertaining to Thailand (Siam), where the type strain was isolated.)
 * P. stilesii ( Franz et al. 2006, ; New Latin genitive case noun stilesii, of Stiles, named in honour of Michael E. Stiles, a food microbiologist who specialized in food preservation with bacteriocinogenic lactic acid bacteria.)
 * P. urinaeequi ( (ex Mees 1934) Garvie 1988,, nom. rev.; Latin noun urina, urine; Latin noun equus, horse; New Latin genitive case noun urinaeequi, of urine of horse.)

Pedobacter
Pedobacter is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Pedobacter derives from: Greek noun pedon, the ground, earth; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Pedobacter, rod from soil.

Species
The genus contains 32 species (including basonyms and synonyms), namely
 * P. africanus ( Steyn et al. 1998, ; Latin masculine gender adjective africanus, of or belonging to Africa, the source of isolation.)
 * P. agri ( Roh et al. 2008, ; Latin genitive case noun agri, of a field.)
 * P. alluvionis ( Gordon et al. 2009, ; Latin genitive case noun alluvionis, of alluvial land.)
 * P. aquatilis ( Gallego et al. 2006, ; Latin masculine gender adjective aquatilis, aquatic, growing in water.)
 * P. bauzanensis ( Zhang et al. 2010, ; Medieval Latin masculine gender adjective bauzanensis, referring to Bauzanum, the medieval Latin name for Bozen/Bolzano, a city in South Tyrol, Italy, where the species was first found.)
 * P. borealis ( Gordon et al. 2009, ; Latin masculine gender adjective borealis, related to the north, boreal.)
 * P. caeni ( Vanparys et al. 2005, ; Latin genitive case neuter gender noun caeni, of sludge.)
 * P. composti ( Lee et al. 2009, ; New Latin genitive case noun composti, of compost.)
 * P. cryoconitis ( Margesin et al. 2003, ; New Latin genitive case noun cryoconitis, from cryoconite, referring to glacier cryoconite, where the strain was first found.)
 * P. daechungensis ( An et al. 2009, ; New Latin masculine gender adjective daechungensis, pertaining to Daechung lake.)
 * P. duraquae ( Muurholm et al. 2007, ; Latin adjective durus, hard; Latin feminine gender noun aqua, water; New Latin genitive case feminine gender noun duraquae, from/of hard water.)
 * P. ginsengisoli ( Ten et al. 2006, ;: New Latin noun ginsengum, ginseng; Latin noun solum, soil; New Latin genitive case noun ginsengisoli, of soil from a ginseng field, the source of the type strain.)
 * P. glucosidilyticus ( Luo et al. 2010, ; New Latin noun glucosidum, glucoside; New Latin adjective lyticus -a -um (from Greek adjective lutikos (λυτικός) -ē -on), able to loosen, able to dissolve; New Latin masculine gender adjective glucosidilyticus, glucoside-dissolving.)
 * P. hartonius ( Muurholm et al. 2007, ; Medieval Latin masculine gender noun Harto, the Harz, a mountain range in northern Germany; New Latin masculine gender adjective hartonius, pertaining to the Harz.)
 * P. heparinus ( (Payza and Korn 1956) Steyn et al. 1998, (Type species of the genus).; Greek noun hēpar, liver; New Latin masculine gender adjective heparinus, of or pertaining to degradation of heparin, acidic mucoheteropolysaccharide with sulfate groups from various animal tissues.)
 * P. himalayensis ( Shivaji et al. 2005, ; New Latin masculine gender adjective himalayensis, pertaining to Himalaya.)
 * P. insulae ( Yoon et al. 2007, ; Latin feminine gender genitive case noun insulae, of an island, referring to the source of isolation of the type strain.)
 * P. koreensis ( Baik et al. 2007, ; New Latin masculine gender adjective koreensis, pertaining to Korea, from where the organism was isolated.)
 * P. lentus ( Yoon et al. 2007, ; Latin masculine gender adjective lentus, slow, delayed, referring to the slow growth of the micro-organism.)
 * P. metabolipauper ( Muurholm et al. 2007, ; New Latin noun metabolismus, metabolism (word stem metabol-); Latin masculine gender adjective pauper, poor; New Latin masculine gender adjective metabolipauper, metabolically poor.)
 * P. nyackensis ( Gordon et al. 2009, ; New Latin masculine gender adjective nyackensis, pertaining to Nyack, a region of north-western Montana, USA.)
 * P. oryzae ( Jeon et al. 2009, ; Latin feminine gender genitive case noun oryzae, of rice, referring to the rice paddy fields where the type strain was isolated.)
 * P. panaciterrae ( Yoon et al. 2007, ;: New Latin noun Panax -acis, scientific name of ginseng; Latin noun terra, soil; New Latin genitive case noun panaciterrae, of soil from a ginseng field, the source of the type strain.)
 * P. piscium ( (Takeuchi and Yokota 1993) Steyn et al. 1998, ;: Latin noun piscis, fish; Latin genitive case pl. noun piscium, of/from fishes.)
 * P. roseus ( Hwang et al. 2006, ; Latin masculine gender adjective roseus, rose-coloured, pink, referring to the color of the colonies on agar plates.)
 * P. saltans ( Steyn et al. 1998, ; Latin v. saltare, to dance; Latin participle adjective saltans, dancing, referring to the gliding motility of the strain.)
 * P. sandarakinus ( Yoon et al. 2006, ; New Latin masculine gender adjective sandarakinus (from Greek adjective sandarakinos), orange-coloured.)
 * P. steynii ( Muurholm et al. 2007, ; New Latin genitive case masculine gender noun steynii, of Steyn, named after P. Latin Steyn, the microbiologist who described the genus Pedobacter.)
 * P. suwonensis ( Kwon et al. 2007, ;: New Latin masculine gender adjective suwonensis, of or belonging to Suwon, the city in which the type strain was isolated.)
 * P. terrae ( Yoon et al. 2007, ; Latin genitive case noun terrae, of the earth.)
 * P. terricola ( Yoon et al. 2007, ; Latin masculine gender noun terricola, a dweller of soil, referring to the isolation of the type strain from soil.)
 * P. westerhofensis ( Muurholm et al. 2007, ; New Latin masculine gender adjective westerhofensis, pertaining to Westerhof, a village in the Harz Mountains.)

Pedomicrobium
Pedomicrobium is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pedomicrobium derives from: Greek noun pedon, ground, earth soil; New Latin neuter gender noun microbium, microbe; New Latin neuter gender noun Pedomicrobium, soil microbe.

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * P. americanum ( Gebers and Beese 1988, ; New Latin neuter gender adjective americanum, pertaining to America.)
 * P. australicum ( Gebers and Beese 1988, ; New Latin neuter gender adjective australicum, pertaining to Australia (isolated from Australia).)
 * P. ferrugineum ( Aristovskaya 1961, species. (Type species of the genus).; Latin neuter gender adjective ferrugineum, like iron, of iron color.)
 * P. manganicum ( Aristovskaya 1961, species.; New Latin neuter gender adjective manganicum, of manganese.)

Pelagibaca
Pelagibaca is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pelagibaca derives from: Latin noun pelagus, the open sea, the ocean; Latin feminine gender noun baca, berry, especially olive; New Latin feminine gender noun Pelagibaca, an olive-shaped bacterium of the open ocean.

Species
The genus contains a single species, namely P. bermudensis ( Cho and Giovannoni 2006, (Type species of the genus).; New Latin feminine gender adjective bermudensis, pertaining to Bermuda, from Bermuda.)

Pelagibacillus
Pelagibacillus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Pelagibacillus derives from: Latin noun pelagus, the sea; Latin dim. noun bacillus, small rod; New Latin masculine gender noun Pelagibacillus, bacillus pertaining to the sea.

Species
The genus contains a single species, namely P. goriensis ( Kim et al. 2007, (Type species of the genus).; New Latin masculine gender adjective goriensis, from Gori, where the type strain was isolated.)

Pelagibius
Pelagibius is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pelagibius derives from: Latin noun pelagus, the sea; New Latin masculine gender noun bius (from Greek masculine gender noun bios (βίος)), life; New Latin masculine gender noun Pelagibius, sea life.

Species
The genus contains a single species, namely P. litoralis ( Choi et al. 2009, (Type species of the genus).; Latin masculine gender adjective litoralis, of or pertaining to the shore.)

Pelagicoccus
Pelagicoccus is a genus in the phylum Verrucomicrobia (Bacteria).

Etymology
The name Pelagicoccus derives from: Latin noun pelagus, the open sea, the ocean; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος)), berry; New Latin masculine gender noun Pelagicoccus, referring to a coccoid-shaped bacterium isolated from the sea.

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * P. albus ( Yoon et al. 2007, ; Latin masculine gender adjective albus, white, referring to the dull-white colour of colonies.)
 * P. croceus ( Yoon et al. 2007, ;: Latin masculine gender adjective croceus, saffron-coloured, yellow, golden, referring to the pale-yellow colour of colonies.)
 * P. litoralis ( Yoon et al. 2007, ; Latin masculine gender adjective litoralis, pertaining to the coast.)
 * P. mobilis ( Yoon et al. 2007, (Type species of the genus).; Latin masculine gender adjective mobilis, movable, mobile, referring to the ability to move by means of flagella.)

Pelagicola
Pelagicola is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pelagicola derives from: Latin noun pelagus, the sea; Latin suff. -cola (from Latin noun incola), inhabitant; New Latin masculine gender noun Pelagicola, inhabitant of the sea.

Species
The genus contains a single species, namely P. litoralis ( Kim et al. 2008, (Type species of the genus).; Latin masculine gender adjective litoralis, of the shore.)

Pelczaria
Pelczaria is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Pelczaria derives from:

Species
The genus contains a single species, namely P. aurantia ( Poston 1994, (Type species of the genus).;)

Pelistega
Pelistega is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pelistega derives from: Greek noun peleia, pigeon; Greek feminine gender noun stegē (or stega), roof, chamber, house; New Latin feminine gender noun Pelistega, refers to the bacteria living in pigeons.

Species
The genus contains a single species, namely P. europaea ( Vandamme et al. 1998, (Type species of the genus).; Latin feminine gender adjective europaea, of or belonging to Europe, because the first collection of strains was isolated in different European countries.)

Pelobacter
Pelobacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pelobacter derives from: Greek noun pelos, mud; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, a small rod; New Latin masculine gender noun Pelobacter, a mud-inhabiting rod.

Species
The genus contains 7 species (including basonyms and synonyms), namely
 * P. acetylenicus ( Schink 1986, ; New Latin noun acetylenum, acetylene; Latin masculine gender suff. -icus, suffix used with the sense of pertaining to; New Latin masculine gender adjective acetylenicus, referring to acetylene utilization.)
 * P. acidigallici ( Schink and Pfennig 1983, (Type species of the genus).; New Latin neuter gender noun acidum gallicum, gallic acid; New Latin genitive case noun acidigallici, of gallic acid.)
 * P. carbinolicus ( Schink 1984, ; Latin noun carbinol -olis, carbinol; Latin masculine gender suff. -icus, suffix used with the sense of pertaining to; New Latin masculine gender adjective carbinolicus, referring to carbinols.)
 * P. massiliensis ( Schnell et al. 1991, ; Latin masculine gender adjective massiliensis, pertaining to Massilia (Marseille); referring to a strictly anaerobic fermenting bacterium enriched from sediments close to Marseille.)
 * P. propionicus ( Schink 1984, ; New Latin noun acidum propionicum, propionic acid; Latin masculine gender suff. -icus, suffix used with the sense of pertaining to; New Latin masculine gender adjective propionicus, pertaining to propionic acid, intended to mean forming propionic acid.)
 * P. seleniigenes ( Narasingarao and H&auml;ggblom 2007, ; New Latin noun selenium, selenium; Greek v. gennao, produce; New Latin participle adjective seleniigenes, selenium-producing.)
 * P. venetianus ( Schink and Stieb 1984, ; New Latin masculine gender adjective venetianus (from Latin noun Venetia), pertaining to Venice, the origin of the type strain and the place where it was found in high numbers.)

Pelodictyon
Pelodictyon is a genus in the phylum Chlorobi (Bacteria).

Etymology
The name Pelodictyon derives from: Greek adjective pelos, dark-coloured, dusky, ash-coloured; Greek neuter gender noun diktuon, a net; New Latin neuter gender noun Pelodictyon, dark-coloured net.

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * P. clathratiforme ( (Szafer 1911) Lauterborn 1913, species. (Type species of the genus).; Latin participle adjective clathratus (from Latin v. clathro, to furnish with a grate or lattice); Latin adjective suffix - formis -is -e (from Latin noun forma, figure, shape, appearance), -like, in the shape of; New Latin neuter gender adjective clathratiforme, lattice-like.)
 * P. luteolum ( (Schmidle 1901) Pfennig and Tr&uuml;per 1971, species.; Latin neuter gender adjective luteolum, yellowish.)
 * P. phaeoclathratiforme ( Overmann and Pfennig 1990, ; Greek adjective phaios, dark, brown; Latin participle adjective clathratus (from Latin v. clathro, to furnish with a grate or lattice); Latin adjective suffix - formis -is -e (from Latin noun forma, figure, shape, appearance), -like, in the shape of; New Latin neuter gender adjective phaeoclathratiforme, brown lattice-like.)
 * P. phaeum ( Gorlenko 1972, species.; Greek adjective phaeos, dark, brown; New Latin neuter gender adjective phaeum, brown.)

Pelomonas
Pelomonas is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pelomonas derives from: Greek noun pelos, mud; Greek noun monas (μονάς / μονάδα), nominally meaning "a unit", but in effect meaning a bacterium; New Latin feminine gender noun Pelomonas, a monad isolated from mud.

Members of the genus Pelomonas can be referred to as pelomonad (viz. Trivialisation of names).

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * P. aquatica ( Gomila et al. 2007, ; Latin feminine gender adjective aquatica, living in water.)
 * P. puraquae ( Gomila et al. 2007, ; Latin adjective purus -a -um, pure; Latin noun aqua, water; New Latin genitive case noun puraquae, of pure water.)
 * P. saccharophila ( (Doudoroff 1940) Xie and Yokota 2005, (Type species of the genus).; Greek noun saccharon, sugar; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin feminine gender adjective saccharophila, sugar-loving.)

Pelosinus
Pelosinus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Pelosinus derives from:
 * Greek masculine gender noun pelos, mud or clay; Latin masculine gender noun sinus, bend; New Latin masculine gender noun Pelosinus, a curved organism from clay.

Species
The genus contains a single species, namely P. fermentans ( Shelobolina et al. 2007, (Type species of the genus).;: Latin participle adjective fermentans, fermenting.)

Pelospora
Pelospora is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Pelospora derives from: Greek noun pelos, mud; Greek feminine gender noun spora (σπορά), a seed, and in biology a spore; New Latin feminine gender noun Pelospora, a sporeforming bacterium originating from mud.

Species
The genus contains a single species, namely P. glutarica ( Matthies et al. 2000, (Type species of the genus).; New Latin noun acidum glutaricum, glutaric acid; New Latin feminine gender adjective glutarica, referring to glutarate as the key substrate of this species.)

Pelotomaculum
Pelotomaculum is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Pelotomaculum derives from: Greek adjective pelos, dark-coloured, hence anaerobic mud; Latin neuter gender noun tomaculum, sausage; New Latin neuter gender noun pelotomaculum, sausage-shaped prokaryotes living in anaerobic environments.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * P. isophthalicicum ( corrig. Qiu et al. 2006, ; New Latin neuter gender noun acidum isophthalicum, isophthalic acid; Latin suff. -icus -a -um, suffix used in adjectives with the sense of belonging to; New Latin neuter gender adjective isophthalicicum, referring to the substrate, isophthalic acid, which can be utilized by the species.)
 * P. propionicicum ( Imachi et al. 2007, ; New Latin neuter gender adjective propionicicum, referring to the substrate propionic acid, which can be metabolized by the species.)
 * P. schinkii ( de Bok et al. 2005, ; New Latin genitive case noun schinkii, of Schink, named after Bernhard Schink, who studied several syntrophic conversions.)
 * P. terephthalicicum ( corrig. Qiu et al. 2006, ; New Latin neuter gender noun acidum terephthalicum, terephthalic acid; Latin suff. -icus -a -um, suffix used in adjectives with the sense of belonging to; New Latin neuter gender adjective terephthalicicum, referring to the substrate, terephthalic acid, which can be utilized by the species.)
 * P. thermopropionicum ( Imachi et al. 2002, (Type species of the genus).; Greek adjective thermos (θερμός), hot; New Latin noun propionas -atis, propionate; Latin neuter gender suff. -icum, pertaining to; New Latin neuter gender adjective thermopropionicum, thermophilic and pertaining to propionate.)

Peptococcus
Peptococcus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Peptococcus derives from: Greek v. peptō, cook, digest; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος)), a grain berry; New Latin masculine gender noun Peptococcus, the digesting coccus.

Species
The genus contains 8 species (including basonyms and synonyms), namely
 * P. asaccharolyticus ( (Distaso 1912) Douglas 1957, species.; Greek pref. a, not; Greek noun sakch&acirc;r, sugar; New Latin masculine gender adjective lyticus (from Greek masculine gender adjective lutikos (λυτικός)), able to loose, able to dissolve; New Latin masculine gender adjective asaccharolyticus, not digesting sugar.)
 * P. glycinophilus ( (Cardon and Barker 1946) Douglas 1957, species.; New Latin noun glycinum, glycin; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective glycinophilus, glycin-loving.)
 * P. heliotrinreducens ( corrig. (sic) Lanigan 1983, ; New Latin noun heliotrinum, heliotrine, a pyrrolizidine alkaloid; Latin participle adjective reducens, leading back, bringing back and in chemistry converting to a different oxidation state; New Latin participle adjective heliotrinreducens, referring to the organisms ability to bring about oxidative cleavage of the heliotrine molecule.)
 * P. indolicus ( (Christiansen 1934) Sorensen 1975, species.; New Latin noun indolum, indol; Latin masculine gender suff. -icus, suffix used with the sense of pertaining to; New Latin masculine gender adjective indolicus, pertaining to indole, referring to the ability of the organism to produce indole.)
 * P. magnus ( (Pr&eacute;vot 1933) Holdeman and Moore 1972, species.; Latin masculine gender adjective magnus, large.)
 * P. niger ( (Hall 1930) Kluyver and van Niel 1936, species. (Type species of the genus).; Latin masculine gender adjective niger, black.)
 * P. prevotii ( (Foubert and Douglas 1948) Douglas 1957, species.; New Latin genitive case noun prevotii, of Pr&eacute;vot, named after A.R. Pr&eacute;vot, a French microbiologist.)
 * P. saccharolyticus ( (Foubert and Douglas 1948) Douglas 1957, species.; Greek noun sakch&acirc;r, sugar; New Latin masculine gender adjective lyticus (from Greek masculine gender adjective lutikos (λυτικός)), able to loose, able to dissolve; New Latin masculine gender adjective saccharolyticus, sugar-digesting.)

Peptoniphilus
Peptoniphilus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Peptoniphilus derives from: New Latin noun peptonum, peptone; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender noun Peptoniphilus, friend of peptone, referring to the use of peptone as a major energy source.

Species
The genus contains 7 species (including basonyms and synonyms), namely
 * P. asaccharolyticus ( (Distaso 1912) Ezaki et al. 2001, (Type species of the genus).; Greek pref. a, not; Greek noun sakch&acirc;r, sugar; New Latin masculine gender adjective lyticus (from Greek masculine gender adjective lutikos (λυτικός)), able to loose, able to dissolve; New Latin masculine gender adjective asaccharolyticus, not digesting sugar.)
 * P. gorbachii ( Song et al. 2010, ; New Latin genitive case masculine gender noun gorbachii, of Gorbach, to honor Sherwood Gorbach, who has contributed so much to our knowledge of anaerobic bacteriology.)
 * P. harei ( (Murdoch et al. 1997) Ezaki et al. 2001, ; New Latin genitive case noun harei, of Hare, named after R. Hare, a British microbiologist.)
 * P. indolicus ( (Christiansen 1934) Ezaki et al. 2001, ; New Latin noun indolum, indol; Latin masculine gender suff. -icus, suffix used with the sense of pertaining to; New Latin masculine gender adjective indolicus, pertaining to indole, referring to the ability of the organism to produce indole.)
 * P. ivorii ( (Murdoch et al. 1997) Ezaki et al. 2001, ; New Latin genitive case noun ivorii, of Ivor, a British microbiologist who first isolated the organism.)
 * P. lacrimalis ( (Li et al. 1992) Ezaki et al. 2001, ; Latin noun lacrima, a tear; Latin masculine gender suff. -alis, suffix denoting pertaining to; New Latin masculine gender adjective lacrimalis, pertaining to tears, referring to lacrimal gland where the organism was isolated.)
 * P. olsenii ( Song et al. 2010, ; New Latin genitive case masculine gender noun olsenii, of Olsen, to honor Ingar Olsen, who has contributed much to our knowledge of anaerobic bacteriology.)

Peptostreptococcus
Peptostreptococcus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Peptostreptococcus derives from: Greek v. peptō, cook, digest; New Latin masculine gender noun Streptococcus, a bacterial genus name; New Latin masculine gender noun Peptostreptococcus, the digesting streptococcus.

Species
The genus contains 19 species (including basonyms and synonyms), namely
 * P. anaerobius ( (Natvig 1905) Kluyver and van Niel 1936, species. (Type species of the genus).; Greek prefix an (ἄν), not; Greek noun aer, aeros (ἀήρ, ἀέρος), air; Greek noun bios (βίος), life; New Latin masculine gender adjective anaerobius, not living in air, anaerobic.)
 * P. asaccharolyticus ( (Distaso 1912) Ezaki et al. 1983, ; Greek pref. a, not; Greek noun sakch&acirc;r, sugar; New Latin masculine gender adjective lyticus (from Greek masculine gender adjective lutikos (λυτικός)), able to loose, able to dissolve; New Latin masculine gender adjective asaccharolyticus, not digesting sugar.)
 * P. barnesae ( Schiefer-Ullrich and Andreesen 1986, ; New Latin genitive case noun barnesae, of Barnes, named after E.M. Barnes, a microbiologist.)
 * P. harei ( Murdoch et al. 1997, ; New Latin genitive case noun harei, of Hare, named after R. Hare, a British microbiologist.)
 * P. heliotrinreducens ( (Lanigan 1983) Ezaki and Yabuuchi 1986, ; New Latin noun heliotrinum, heliotrine, a pyrrolizidine alkaloid; Latin participle adjective reducens, leading back, bringing back and in chemistry converting to a different oxidation state; New Latin participle adjective heliotrinreducens, referring to the organisms ability to bring about oxidative cleavage of the heliotrine molecule.)
 * P. hydrogenalis ( Ezaki et al. 1990, ; New Latin hydrogenum (from Greek noun húdōr (ὕδωρ), water; and Greek v. gennaō (γεννάω), to produce), hydrogen, an element; Latin masculine gender suff. -alis, suffix used with the sense of pertaining to; New Latin masculine gender adjective hydrogenalis, pertaining to hydrogen, because this organism produces hydrogen.)
 * P. indolicus ( (Christiansen 1934) Ezaki et al. 1983, ; New Latin noun indolum, indol; Latin masculine gender suff. -icus, suffix used with the sense of pertaining to; New Latin masculine gender adjective indolicus, pertaining to indole, referring to the ability of the organism to produce indole.)
 * P. ivorii ( Murdoch et al. 1997, ; New Latin genitive case noun ivorii, of Ivor, a British microbiologist who first isolated the organism.)
 * P. lacrimalis ( Li et al. 1992, ; Latin noun lacrima, a tear; Latin masculine gender suff. -alis, suffix denoting pertaining to; New Latin masculine gender adjective lacrimalis, pertaining to tears, referring to lacrimal gland where the organism was isolated.)
 * P. lactolyticus ( Li et al. 1992, ; Latin noun lac lactis, milk; New Latin masculine gender adjective lyticus (from Greek masculine gender adjective lutikos (λυτικός)), able to loose, able to dissolve; New Latin masculine gender adjective lactolyticus, milk-dissolving.)
 * P. magnus ( (Pr&eacute;vot 1933) Ezaki et al. 1983, ; Latin masculine gender adjective magnus, large.)
 * P. micros ( (Pr&eacute;vot 1933) Smith 1957, species.; New Latin masculine gender adjective micros (from Greek masculine gender adjective mikros (μικρός)), small, little.)
 * P. octavius ( Murdoch et al. 1997, ; Latin masculine gender adjective octavius (sic), eight, referring to the fact that the organism was previously assigned to Hare group VIII.)
 * P. parvulus ( (Weinberg et al. 1937) Smith 1957, species.; Latin masculine gender dim. adjective parvulus, very small.)
 * P. prevotii ( (Foubert and Douglas 1948) Ezaki et al. 1983, ; New Latin genitive case noun prevotii, of Pr&eacute;vot, named after A.R. Pr&eacute;vot, a French microbiologist.)
 * P. productus ( (Pr&eacute;vot 1941) Smith 1957, species.; Latin masculine gender adjective productus, lengthened, extended.)
 * P. stomatis ( Downes and Wade 2006, ; Greek noun stoma stomatos, mouth; New Latin genitive case noun stomatis, of the mouth.)
 * P. tetradius ( (ex Chouk&eacute;vitch 1911) Ezaki et al. 1983, nom. rev., ; Greek adjective tetradikos, consisting of four; New Latin masculine gender adjective tetradius, occurring in groups of four.)
 * P. vaginalis ( Li et al. 1992, ; Latin noun vagina, sheath, vagina; Latin masculine gender suff. -alis, suffix denoting pertaining to; New Latin masculine gender adjective vaginalis, pertaining to vagina, of the vagina.)

Peredibacter
Peredibacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Peredibacter derives from: Latin v. peredere, to eat up, to devour; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Peredibacter, bacterium-devourer.

Species
The genus contains a single species, namely P. starrii ( (Seidler et al. 1972) Davidov and Jurkevitch 2004, (Type species of the genus).; New Latin genitive case masculine gender noun starrii, of Starr, named after M.P. Starr, an investigator of the bdellovibrios.)

Perexilibacter
Perexilibacter is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Perexilibacter derives from: Latin adjective perexilis, very slender; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod or staff; New Latin masculine gender noun Perexilibacter, very slender rod, referring to its cell shape.

Species
The genus contains a single species, namely P. aurantiacus ( Yoon et al. 2007, (Type species of the genus).; New Latin masculine gender adjective aurantiacus, orange-coloured.)

Perlucidibaca
Perlucidibaca is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Perlucidibaca derives from: Latin adjective perlucidus, transparent, pellucid; Latin feminine gender noun baca, a small round fruit, a berry; New Latin feminine gender noun Perlucidibaca, a transparent berry.

Species
The genus contains a single species, namely P. piscinae ( Song et al. 2008, (Type species of the genus).; Latin genitive case noun piscinae, of a fish-pond.)

Persephonella
Persephonella is a genus in the phylum Aquificae (Bacteria).

Etymology
The name Persephonella derives from: New Latin feminine gender dim. noun Persephonella (from Latin noun Persephone -es), little Persephone, after the Greek mythological goddess, who spent half of each year in the Underworld and the other half on Earth.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * P. guaymasensis ( G&ouml;tz et al. 2002, ; New Latin feminine gender adjective guaymasensis, pertaining to the Guaymas Basin, Mexico, to depict the place of isolation.)
 * P. hydrogeniphila ( Nakagawa et al. 2003, ; New Latin hydrogenum (from Greek noun húdōr (ὕδωρ), water; and Greek v. gennaō (γεννάω), to produce), hydrogen, an element; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin feminine gender adjective hydrogeniphila, hydrogen-loving, because growth depends on hydrogen.)
 * P. marina ( G&ouml;tz et al. 2002, (Type species of the genus).; Latin feminine gender adjective marina, of or belonging to the sea, marine.)

Persicirhabdus
Persicirhabdus is a genus in the phylum Verrucomicrobia (Bacteria).

Etymology
The name Persicirhabdus derives from: Latin noun persicum, a peach; New Latin feminine gender noun rhabdus (from Greek feminine gender noun rhabdos (ῥάβδος)), a rod; New Latin feminine gender noun Persicirhabdus, peach-coloured rod, because the colonies are peach-coloured.

Species
The genus contains a single species, namely

Persicitalea
Persicitalea is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Persicitalea derives from: Latin noun persicum, a peach; Latin suff. -icus -a -um, suffix used with the sense of belonging to; Latin feminine gender noun talea, a slender staff, a rod; New Latin feminine gender noun Persicitalea, peach-coloured rod, because the colonies are peach-coloured.

Species
The genus contains a single species, namely P. jodogahamensis ( Yoon et al. 2007, (Type species of the genus).; New Latin feminine gender adjective jodogahamensis, pertaining to Jodogahama, a beach located on Iwate in Japan, where the type strain was isolated.)

Persicivirga
Persicivirga is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Persicivirga derives from: Latin noun persicum, peach; Latin feminine gender noun virga, rod; New Latin feminine gender noun Persivirga, peach-coloured rod.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * P. dokdonensis ( (Yoon et al. 2006) Nedashkovskaya et al. 2009, ; New Latin feminine gender adjective dokdonensis, of Dokdo, a Korean island, where the type strain was isolated.)
 * P. xylanidelens ( O&#39;Sullivan et al. 2006, (Type species of the genus).; New Latin noun xylanum, xylan; Latin participle adjective delens, destroying; New Latin participle adjective xylanidelens, xylan-destroying.)

Persicobacter
Persicobacter is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Persicobacter derives from: Greek noun persikos or persikon, peach; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Persicobacter, peach rod, because the organism is a peach-colored rod.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * P. diffluens ( (Reichenbach 1989) Nakagawa et al. 1997, (Type species of the genus).; Latin participle adjective diffluens, flowing away.)
 * P. psychrovividus ( Muramatsu et al. 2010, ; Greek adjective psychros (ψυχρός), cold; Latin adjective vividus, active; New Latin masculine gender adjective psychrovividus, active at low temperatures.)

Petrimonas
Petrimonas is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Petrimonas derives from: Latin feminine gender noun petra, rock, stone; Latin feminine gender noun monas (μονάς / μονάδα), nominally meaning "a unit", but in effect meaning a bacterium; New Latin feminine gender noun Petrimonas, stone monad.

Members of the genus Petrimonas can be referred to as petrimonad (viz. Trivialisation of names).

Species
The genus contains a single species, namely P. sulfuriphila ( Grabowski et al. 2005, (Type species of the genus).; Latin noun sulfur, sulfur; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin feminine gender adjective sulfuriphila, sulfur-loving, indicating that sulfur stimulates growth.)

Petrobacter
Petrobacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Petrobacter derives from: Greek feminine gender noun petra, rock, stone; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod, staff; New Latin masculine gender noun Petrobacter, the stone bacterium.

Species
The genus contains a single species, namely P. succinatimandens ( Bonilla Salinas et al. 2004, (Type species of the genus).; New Latin masculine gender noun succinas, succinate; Latin participle adjective mandens, eating; New Latin masculine gender participle adjective succinatimandens, consuming succinate.)

Petrotoga
Petrotoga is a genus in the phylum Thermotogae (Bacteria).

Etymology
The name Petrotoga derives from: Greek noun petra, rock, stone; Latin feminine gender noun toga, Roman outer garment; New Latin feminine gender noun Petrotoga, the stone outer garment.

Species
The genus contains 6 species (including basonyms and synonyms), namely
 * P. halophila ( Miranda-Tello et al. 2007, ;: Greek noun hals, halos (ἅλς, ἁλός), salt; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin feminine gender adjective halophila, salt-loving.)
 * P. mexicana ( Miranda-Tello et al. 2004, ; New Latin feminine gender adjective mexicana, Mexican.)
 * P. miotherma ( Davey et al. 1993, (Type species of the genus).; New Latin feminine gender adjective miotherma (from Greek adjective meiōn, less; and Greek adjective thermos (θερμός), hot), less hot, referring to the optimum temperature for growth.)
 * P. mobilis ( Lien et al. 1998, ; Latin feminine gender adjective mobilis, movable, motile.)
 * P. olearia ( L&#39;Haridon et al. 2002, ; Latin feminine gender adjective olearia, pertaining to oil, referring to its site of isolation.)
 * P. sibirica ( L&#39;Haridon et al. 2002, ; New Latin feminine gender adjective sibirica, pertaining to Siberia (region in northwestern Asia, the name said to come from Sibir, ancient Tatar fortress at the confluence of the rivers Tobol and Irtysh), referring to its site of isolation.)

Pfennigia
Pfennigia is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pfennigia derives from:
 * New Latin feminine gender noun Pfennigia, named after Norbert Pfennig, in recognition of his contribution to the biology and taxonomy of anoxygenic phototrophic bacteria.

Species
The genus contains a single species, namely P. purpurea ( (Eichler and Pfennig 1989) Tindall 1999, (Type species of the genus).;: Latin feminine gender adjective purpurea, purple or purple-red.)

Phaeobacter
Phaeobacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Phaeobacter derives from: Greek adjective phaeos, dark, brown; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Phaeobacter, a brown rod.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * P. arcticus ( Zhang et al. 2008, ; Latin masculine gender adjective arcticus, northern, arctic, referring to the site from where the type strain was isolated.)
 * P. caeruleus ( Vandecandelaere et al. 2009, ; Latin masculine gender adjective caeruleus, dark blue coloured, referring to the colony colour of the isolates.)
 * P. daeponensis ( Yoon et al. 2007, ;: New Latin masculine gender adjective daeponensis, of Daepo, Korea, where the type strain was isolated.)
 * P. gallaeciensis ( (Ruiz-Ponte et al. 1998) Martens et al. 2006, (Type species of the genus).; Latin masculine gender adjective gallaeciensis, pertaining to Gallaecia the roman name for Galicia, the north-west region of Spain.)
 * P. inhibens ( Martens et al. 2006, ; Latin participle adjective inhibens, inhibiting.)

Phaeospirillum
Phaeospirillum is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Phaeospirillum derives from: Greek adjective phaios (Latin transliteration phaeos), brown; New Latin neuter gender noun Spirillum, a bacterial genus; New Latin neuter gender noun Phaeospirillum, brown Spirillum.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * P. chandramohanii ( Anil Kumar et al. 2009, ; New Latin masculine gender genitive case noun chandramohanii, of Chandramohan, named after Dr D. Chandramohan, an Indian marine microbiologist, who has played a crucial role in transforming microbiological research at the National Institute of Oceanography, India into technologically rewarding activities.)
 * P. fulvum ( (van Niel 1944) Imhoff et al. 1998, (Type species of the genus).; Latin neuter gender adjective fulvum, deep yellow, reddish yellow, tawny.)
 * P. molischianum ( (Giesberger 1947) Imhoff et al. 1998, ; New Latin neuter gender adjective molischianum, pertaining to Molisch, named for H. Molisch, an Austrian botanist.)

Phaeovibrio
Phaeovibrio is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Phaeovibrio derives from: Greek adjective phaeos, brown; Latin v. vibro, to set in tremulous motion, move to and fro, vibrate; New Latin masculine gender noun vibrio, that which vibrates, and also a genus name of bacteria possessing a curved rod shape; New Latin masculine gender noun Phaeovibrio, brown vibrio.

Species
The genus contains a single species, namely P. sulfidiphilus ( Lakshmi et al. 2011, (Type species of the genus).; New Latin noun sulfidum, sulfide; New Latin masculine gender adjective philus (from Greek masculine gender adjective φίλος), friendly to, loving; New Latin masculine gender adjective sulfidiphilus, sulfide-loving.)

Phascolarctobacterium
Phascolarctobacterium is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Phascolarctobacterium derives from: New Latin noun Phascolarctos, a scientific genus name, koala (Phascolarctos cinereus); Latin neuter gender noun bacterium, rod; New Latin neu. noun Phascolarctobacterium, bacterium of koalas.

Species
The genus contains a single species, namely P. faecium ( Del Dot et al. 1994, (Type species of the genus).; Latin genitive case pl. noun faecium, of feces, isolated from the feces of koalas.)

Phaselicystis
Phaselicystis is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Phaselicystis derives from: Latin noun phaselos or phaselus, an edible bean, kidney bean; Greek feminine gender noun kustis, bladder; New Latin feminine gender noun Phaselicystis, bean-shaped bladder, pertaining to the shape of the sporangiole.

Species
The genus contains a single species, namely P. flava ( Garcia et al. 2009 (complete authorship reads Garcia, Reichenbach and M&uuml;ller), (Type species of the genus).; Latin feminine gender adjective flava, golden-yellow.)

Phenylobacterium
Phenylobacterium is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Phenylobacterium derives from: New Latin noun phenyl, the phenyl radical; Latin neuter gender noun bacterium, a small rod; New Latin neuter gender noun Phenylobacterium, phenyl-[utilizing] bacterium.

Species
The genus contains 7 species (including basonyms and synonyms), namely
 * P. composti ( Weon et al. 2008, ; New Latin genitive case noun composti, of compost.)
 * P. conjunctum ( Abraham et al. 2008, ; Latin neuter gender adjective conjunctum, adjacent, the Phenylobacterium species which is closely related to the genus Caulobacter.)
 * P. falsum ( Tiago et al. 2005, ; Latin neuter gender adjective falsum, false, a false Phenylobacterium species because it does not degrade phenylalanine.)
 * P. haematophilum ( Abraham et al. 2008, ; Greek noun haima -atos (Latin transliteration haema -atos), blood; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin neuter gender adjective haematophilum, blood-loving.)
 * P. immobile ( Lingens et al. 1985, (Type species of the genus).; Latin neuter gender adjective immobile, immovable, nonmotile.)
 * P. koreense ( Aslam et al. 2005, ; New Latin neuter gender adjective koreense, pertaining to Korea, from where the novel organism was isolated.)
 * P. lituiforme ( Kanso and Patel 2004, ; Latin noun lituus, the crooked staff borne by the augurs, an augur&#39;s crook; Latin neuter gender adjective suff. -forme, having the form of; New Latin neuter gender adjective lituiforme, formed like a curved rod.)

Phocaeicola
Phocaeicola is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Phocaeicola derives from: Latin noun Phocaea, a maritime town of Ionia, modern-day Fo&ccedil;a in Turkey; Latin suff. -cola (from Latin noun incola), inhabitant, dweller; New Latin masculine gender noun Phocaeicola, an inhabitant of Phocaea.

Species
The genus contains a single species, namely P. abscessus ( Al Masalma et al. 2009, (Type species of the genus).; Latin genitive case noun abscessus, of an abscess.)

Phocoenobacter
Phocoenobacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Phocoenobacter derives from: Greek noun phōkaina, porpoise; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun phocoenobacter, a rod from a porpoise.

Species
The genus contains a single species, namely

Photobacterium
Photobacterium is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Photobacterium derives from: Greek noun phōs -otos, light; Latin neuter gender noun bacterium, rod or staff and, in biology, a bacterium (so called because the first ones observed were rod-shaped); New Latin neuter gender noun Photobacterium, light (-producing) bacterium.

Species
The genus contains 23 species (including basonyms and synonyms), namely
 * P. angustum ( Reichelt et al. 1979, species.; Latin neuter gender adjective angustum, narrow, limited, with respect to nutritional versatility.)
 * P. aplysiae ( Seo et al. 2005, ; New Latin genitive case noun aplysiae, of Aplysia, a zoological genus, referring to the isolation of the type strain from a sea hare, genus Aplysia.)
 * P. aquimaris ( Yoshizawa et al. 2009, ; Latin noun aqua, water; Latin genitive case noun maris, of the sea; New Latin genitive case noun aquimaris, of water of the sea.)
 * P. damselae ( corrig. (Love et al. 1982) Smith et al. 1991, ; New Latin noun damsela, derived from the modern zoological term damselfish; New Latin genitive case noun damselae, of damselfish.)
 * P. damselae ( subsp. damselae corrig. (Love et al. 1982) Smith et al. 1991, ; New Latin noun damsela, derived from the modern zoological term damselfish; New Latin genitive case noun damselae, of damselfish.)
 * P. damselae ( subsp. piscicida corrig. (ex Janssen and Surgalla 1968) Gauthier et al. 1995, nom. rev., ; Latin noun piscis, a fish; Latin suff. -cida (from Latin v. caedo, to cut or kill), murderer, killer; New Latin noun piscicida, fish killer.)
 * P. fischeri ( (Beijerinck 1889) Reichelt and Baumann 1973, species.; New Latin genitive case noun fischeri, of Fischer, named after Bernhard Fischer, one of the earliest students of luminescent bacteria.)
 * P. frigidiphilum ( Seo et al. 2005, ; Latin adjective frigidus, cold; New Latin adjective philus (from Greek adjective philos), loving; New Latin neuter gender adjective frigidiphilum, cold-loving.)
 * P. gaetbulicola ( Kim et al. 2010, ; New Latin noun gaetbulum, gaetbul, the Korean name for a tidal flat; Latin suff. -cola (from Latin masc; or feminine gender noun incola) a dweller, inhabitant; New Latin feminine gender noun gaetbulicola, a dweller of a tidal flat.)
 * P. ganghwense ( Park et al. 2006, ; New Latin neuter gender adjective ganghwense, pertaining to Ganghwa Island, Korea, the geographical origin of the type strain of the species.)
 * P. halotolerans ( Rivas et al. 2006, ; Greek noun hals, halos (ἅλς, ἁλός), salt; Latin participle adjective tolerans, tolerating; New Latin participle adjective halotolerans, referring to the ability to tolerate high salt concentrations.)
 * P. histaminum ( Okuzumi et al. 1994, ; New Latin noun histaminum, histamine (probably intended to mean histamine-producing).)
 * P. iliopiscarium ( (Onarheim et al. 1995) Urakawa et al. 1999, ; Latin noun ilium, entrails, intestine; Latin adjective piscarius, of or belonging to fish; New Latin neuter gender adjective iliospiscarium, belonging to intestines of fish.)
 * P. indicum ( (Johnson and Weisrock 1969) Ivanova et al. 2004, ; Latin neuter gender adjective indicum, of India, Indian (isolated from the Indian Ocean).)
 * P. indicum ( (Johnson and Weisrock 1969) Xie and Yokota 2004, ; Latin neuter gender adjective indicum, of India, Indian (isolated from the Indian Ocean).)
 * P. jeanii ( Chimetto et al. 2010, ; New Latin genitive case noun jeanii, of Jean, after the Belgian microbiologist Jean Swings.)
 * P. kishitanii ( Ast et al. 2007, ; New Latin genitive case noun kishitanii, of Kishitani, to honour the deceased Japanese scientist Teijiro Kishitani, who first isolated luminous bacteria from the light organ of Physiculus japonicus.)
 * P. leiognathi ( Boisvert et al. 1967, species.; New Latin noun Leiognathus, a genus name; New Latin genitive case noun leiognathi, of Leiognathus, named after fish of the genus Leiognathus (family Leiognathidae).)
 * P. lipolyticum ( Yoon et al. 2005, ; Greek noun lipos, animal fat, lard, tallow; Greek neuter gender adjective lutikon, able to loose, dissolving; New Latin neuter gender adjective lipolyticum, dissolving fat or lipid.)
 * P. logei ( (ex Bang et al. 1978) Harwood et al. 1980,, nom. rev.; New Latin genitive case noun logei, of Loge; from German Loge, Norse god of fire and mischief.)
 * P. lutimaris ( Jung et al. 2007, ;: Latin noun lutum, mud; Latin genitive case noun maris, of the sea; New Latin genitive case noun lutimaris, of mud of the sea.)
 * P. phosphoreum ( (Cohn 1878) Beijerinck 1889, species. (Type species of the genus).; Greek adjective phosphoros, bringing or giving light; New Latin neuter gender adjective phosphoreum, light-bearing.)
 * P. profundum ( Nogi et al. 1998, ; Latin neuter gender adjective profundum, deep, living within the depth of the oceans.)
 * P. rosenbergii ( Thompson et al. 2005, ; New Latin genitive case masculine gender noun rosenbergii, of Rosenberg, after the Israeli microbiologist Eugene Rosenberg.)
 * P. swingsii ( Gomez-Gil et al. 2011, ; New Latin genitive case masculine gender noun swingsii, of Swings, in honour of the Belgian microbiologist Jean Swings.)

Photorhabdus
Photorhabdus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Photorhabdus derives from:
 * Greek noun phos photos, light; Greek feminine gender noun rhabdos (ῥάβδος), rod; New Latin feminine gender noun Photorhabdus, bioluminescent rod-shaped bacterium.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * P. asymbiotica ( Fischer-Le Saux et al. 1999, ; Greek pref. a, not; New Latin feminine gender adjective symbiotica (from Greek noun sumbios, a companion, partner) living together; New Latin feminine gender adjective asymbiotica, not symbiotic.)
 * P. asymbiotica ( subsp. asymbiotica Fischer-Le Saux et al. 1999, ; Greek pref. a, not; New Latin feminine gender adjective symbiotica (from Greek noun sumbios, a companion, partner) living together; New Latin feminine gender adjective asymbiotica, not symbiotic.)
 * P. asymbiotica ( subsp. australis Akhurst et al. 2004, ; Latin feminine gender adjective australis, southern; this subspecies was detected in the southern hemisphere.)
 * P. luminescens ( (Thomas and Poinar 1979) Boemare et al. 1993, (Type species of the genus).;: New Latin participle adjective luminescens, luminescing, named for its luminescence.)
 * P. luminescens ( subsp. akhurstii Fischer-Le Saux et al. 1999, ;: New Latin genitive case masculine gender noun akhurstii, of Akhurst, named after Dr. R. Akhurst, a major contributor to the bacteriological symbionts of entomopathogenic nematodes.)
 * P. luminescens ( subsp. caribbeanensis Tailliez et al. 2010, ; New Latin fem adjective caribbeanensis, of or belonging to the Caribbean islands (Guadeloupe), the source of the nematode Heterorhabditis bacteriophora from which the type strain was isolated.)
 * P. luminescens ( subsp. hainanensis Tailliez et al. 2010, ; New Latin feminine gender adjective hainanensis, of or belonging to the Hainan island (China), the source of the nematode (Heterorhabditis species) from which the type strain was isolated.)
 * P. luminescens ( subsp. kayaii Hazir et al. 2004, ; New Latin genitive case masculine gender noun kayaii, of Kaya, to honour Harry K. Kaya for his scientific contributions to the biology of entomopathogenic nematodes and biological control agents.)
 * P. luminescens ( subsp. kleinii An and Grewal 2011, ; New Latin genitive case masculine gender noun kleinii of Klein; this subspecies is named after Dr. Michael D. Klein in recognition of his contributions to insect pathology and nematology.)
 * P. luminescens ( subsp. laumondii Fischer-Le Saux et al. 1999, ;: New Latin genitive case masculine gender noun laumondii, of Laumond, named after Dr. C. Laumond, a major contributor to the use of entomopathogenic nematode/bacterial complexes for insect pest control.)
 * P. luminescens ( subsp. luminescens (Thomas and Poinar 1979) Boemare et al. 1993, ;: New Latin participle adjective luminescens, luminescing, named for its luminescence.)
 * P. luminescens ( subsp. thracensis Hazir et al. 2004, ; Latin feminine gender adjective thracensis, referring to Thracia, Thrace, Western part of Turkey from which the type strain has been isolated.)
 * P. temperata ( Fischer-Le Saux et al. 1999, ; Latin feminine gender participle adjective temperata, moderate, because this species grows at moderate temperatures.)
 * P. temperata ( subsp. cinerea T&oacute;th and Lakatos 2008, ; Latin feminine gender adjective cinerea, resembling ashes, because this subspecies produces a grey pigment that colours the growing medium and infected insects.)
 * P. temperata ( subsp. khanii Tailliez et al. 2010, ; New Latin genitive case masculine gender noun khanii, of Khan, named in honour of A. Khan, who described the nematode Chromonema heliothidis = Heterorhabditis bacteriophora recovered from prepupal and pupal specimens of the corn earworm, Heliothis zea, from Clayton, North Carolina, 1971.)
 * P. temperata ( subsp. stackebrandtii An and Grewal 2011, ; New Latin genitive case masculine gender noun stackebrandtii of Stackebrandt; this subspecies is named after Dr. Erko Stackebrandt in recognition of his contribution to bacteriology.)
 * P. temperata ( subsp. tasmaniensis Tailliez et al. 2010, ; New Latin feminine gender adjective tasmaniensis, of or belonging to Tasmania (Australia), the source of the nematode Heterorhabditis zealandica from which the type strain was isolated.)
 * P. temperata ( subsp. temperata Fischer-Le Saux et al. 1999, ; Latin feminine gender participle adjective temperata, moderate, because this species grows at moderate temperatures)
 * P. temperata ( subsp. thracensis (Hazir et al. 2004) Tailliez et al. 2010, ; Latin feminine gender adjective thracensis, referring to Thracia, Thrace, Western part of Turkey from which the type strain has been isolated.)

Phycicoccus
Phycicoccus is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Phycicoccus derives from: Latin noun phycos (from Greek noun phukos), seaweed; New Latin masculine gender noun coccus (from Greek noun kokkos (κόκκος)) berry; New Latin masculine gender noun Phycicoccus, coccus from seaweed.

Species
The genus contains 6 species (including basonyms and synonyms), namely
 * P. aerophilus ( Weon et al. 2008, ; Greek noun aer, aeros (ἀήρ, ἀέρος), air; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective aerophilus, air-loving.)
 * P. bigeumensis ( Dastager et al. 2008, ; New Latin masculine gender adjective bigeumensis, of or pertaining to Bigeum Island, Korea, from where the type strain was isolated.)
 * P. cremeus ( Zhang et al. 2011, ; New Latin masculine gender adjective cremeus, cream–white.)
 * P. dokdonensis ( Yoon et al. 2008, ; New Latin masculine gender adjective dokdonensis, of or belonging to Dokdo, Korea, from where the type strain was isolated.)
 * P. ginsenosidimutans ( Wang et al. 2011, ; New Latin noun ginsenosidum, ginsenoside; Latin participle adjective mutans, transforming, converting; New Latin participle adjective ginsenosidimutans, ginsenoside-converting.)
 * P. jejuensis ( Lee 2006, (Type species of the genus).; New Latin masculine gender adjective jejuensis, of or belonging to Jeju, Republic of Korea, the site at which the type strain was isolated.)

Phycicola
Phycicola is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Phycicola derives from: Latin noun phycos, seaweed; Latin masculine gender or feminine gender suffix -cola (from Latin noun incola), inhabitant; New Latin masculine gender noun Phycicola, inhabitant of seaweed.

Species
The genus contains a single species, namely P. gilvus ( Lee et al. 2008, (Type species of the genus).; Latin masculine gender adjective gilvus, pale yellow-coloured.)

Phycisphaera
Phycisphaera is a genus in the phylum Planctomycetes (Bacteria).

Etymology
The name Phycisphaera derives from: Latin noun phycos (from Greek noun phukos), seaweed; Latin noun sphaera, sphere; New Latin feminine gender noun Phycisphaera, a spherical bacterium isolated from a seaweed.

Species
The genus contains a single species, namely P. mikurensis ( Fukunaga et al 2010, (Type species of the genus).; New Latin feminine gender adjective mikurensis, of or belonging to Mikura Island, Japan, from where the type strain was isolated.)

Phyllobacterium
Phyllobacterium is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Phyllobacterium derives from: Greek neuter gender noun phullon, leaf; Latin neuter gender noun bacterium, rod; New Latin neuter gender noun phyllobacterium, leaf rod (occur in leaf nodules of higher plants).

Species
The genus contains 8 species (including basonyms and synonyms), namely
 * P. bourgognense ( Mantelin et al. 2006, ; New Latin neuter gender adjective bourgognense, pertaining to Bourgogne, a region of central France, where the type strain was isolated.)
 * P. brassicacearum ( Mantelin et al. 2006, ; New Latin genitive case pl. feminine gender noun brassicacearum, of the Brassicaceae, referring to the isolation of the type strain from Brassica napus and its growth-promoting effect on B. napus and Arabidopsis thaliana, members of the Brassicaceae.)
 * P. catacumbae ( Jurado et al. 2005, ; Latin genitive case noun catacumbae, of catacombs.)
 * P. ifriqiyense ( Mantelin et al. 2006, ; New Latin neuter gender adjective ifriqiyense, pertaining to Ifriqiya, the earliest Arabic name of the North African territory that included Tunisia, where the first strains were isolated.)
 * P. leguminum ( Mantelin et al. 2006, ; Latin genitive case pl. neuter gender noun leguminum, of legumes, referring to its isolation from root nodules of legumes.)
 * P. myrsinacearum ( (ex Kn&ouml;sel 1962) Kn&ouml;sel 1984,, nom. rev. (Type species of the genus).; New Latin feminine gender pl. noun Myrsinaceae, family of plants; New Latin feminine gender genitive case pl. noun myrsinacearum, of Myrsinaceae, of the myrsine family.)
 * P. rubiacearum ( (ex von Faber 1912) Kn&ouml;sel 1984,, nom. rev.; New Latin pl. noun Rubiaceae, a family of plants; New Latin genitive case pl. noun rubiacearum, of Rubiaceae, of the bedstraw family.)
 * P. trifolii ( Valverde et al. 2005, ; Latin genitive case noun trifolii, of clover.)

Phytohabitans
Phytohabitans is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Phytohabitans derives from: Greek noun phyton, plant; Latin participle adjective habitans, inhabiting; N. Latin participle adjective used as a masculine gender noun Phytohabitans, plant-inhabiting, a bacterium isolated from plants.

Species
The genus contains a single species, namely P. suffuscus ( Inahashi et al. 2010, (Type species of the genus).; Latin masculine gender adjective suffuscus, brownish, named after the brownish colour of the vegetative mycelium.)

Pibocella
Pibocella is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Pibocella derives from: New Latin feminine gender noun Pibocella, arbitrary name, derived from the acronym PIBOC (Pacific Institute of Bioorganic Chemistry of the Far-Eastern Branch of the Russian Academy of Sciences).

Species
The genus contains a single species, namely P. ponti ( Nedashkovskaya et al. 2005, (Type species of the genus).; Latin genitive case noun ponti, of the sea.)

Picrophilus
Picrophilus is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Picrophilus derives from: Greek adjective pikros, pointed, sharp, acid; New Latin masculine gender adjective philus (from Greek masculine gender adjective φίλος), friend, loving; New Latin masculine gender noun Picrophilus, acid-loving organism.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * P. oshimae ( Schleper et al. 1996 (complete authorship reads: Schleper, Zillig and P&uuml;hler), (Type species of the genus).; New Latin genitive case noun oshimae, of Oshima, referring to the Japanese biochemist Tairo Oshima.)
 * P. torridus ( Zillig et al. 1996 (complete authorship reads: Zillig, Schleper and P&uuml;hler), ; Latin masculine gender adjective torridus, dried up, torrid, referring to dry hot soil where the strain was isolated.)

Pigmentiphaga
Pigmentiphaga is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pigmentiphaga derives from: Latin noun pigmentum, dye; Greek noun phagos, eater, glutton; New Latin feminine gender noun Pigmentiphaga, eating dyes.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * P. daeguensis ( Yoon et al. 2007, ; New Latin feminine gender adjective daeguensis, of Daegu, Korea, from where the type strain was isolated.)
 * P. kullae ( Bl&uuml;mel et al. 2001, (Type species of the genus).; New Latin genitive case masculine gender noun kullae, of Kulla, in honor of Hans G. Kulla, who initiated the work about the aerobic degradation of azo dyes by bacteria, which resulted in the isolation of strain K24.)
 * P. litoralis ( Chen et al. 2009, ; Latin feminine gender adjective litoralis, of or belonging to the seashore.)

Pilibacter
Pilibacter is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Pilibacter derives from: Latin noun pilum, a heavy javelin; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Pilibacter, a rod that appears tapered and pointed, like the head of a spear.

Species
The genus contains a single species, namely P. termitis ( Higashiguchi et al. 2006, (Type species of the genus).; Latin noun termes -itis, a worm that eats wood, and in zoology the scientific name of a genus of termite; New Latin genitive case noun termitis, of a termite.)

Pilimelia
Pilimelia is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Pilimelia derives from: Latin noun pilus, a hair; Greek feminine gender noun melia, Melia, a nymph loved by the river god Inachus; New Latin feminine gender noun Pilimelia, an aquatic organism growing on hair substrate.'''

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * P. anulata ( Kane 1966, species.; Latin feminine gender adjective anulata, furnished or ornamented with a ring.)
 * P. columellifera ( (ex Sch&auml;fer 1973) Vobis et al. 1986,, nom. rev.; Latin noun columella, small column; Latin suff. -fer -fera -ferum, bearing, carrying; New Latin feminine gender adjective columellifera, bearing a small column.)
 * P. columellifera ( subsp. columellifera (ex Sch&auml;fer 1973) Vobis et al. 1986,, nom. rev.; Latin noun columella, small column; Latin suff. -fer -fera -ferum, bearing, carrying; New Latin feminine gender adjective columellifera, bearing a small column.)
 * P. columellifera ( subsp. pallida (ex Sch&auml;fer 1973) Vobis et al. 1986,, nom. rev.; Latin feminine gender adjective pallida, pale.)
 * P. terevasa ( Kane 1966, species. (Type species of the genus).; Latin adjective teres, rounded (i.e., circular in transverse sections, tapering or narrow cylindric); Latin pl. noun vasa vessels; New Latin noun terevasa, rounded vessels, indicating &quot;rounded,&quot; spherical sporangia.)

Pillotina
Pillotina is a genus in the phylum Spirochaetes (Bacteria).

Etymology
The name Pillotina derives from: New Latin feminine gender noun Pillotina, named in honor of J. Pillot, a French microbiologist.

Species
The genus contains a single species, namely P. calotermitidis ( (ex Hollande and Gharagozlou 1967) Bermudes et al. 1988,, nom. rev. (Type species of the genus).; New Latin genitive case noun calotermitidis, of Calotermes, named after the termite host Calotermes praecox.)

Pimelobacter
Pimelobacter is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Pimelobacter derives from:
 * Greek noun pimelē, soft fat, lard; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, a rod; New Latin masculine gender noun Pimelobacter, intended to mean oil inhabiting rod.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * P. jensenii ( Suzuki and Komagata 1983, ;)
 * P. simplex ( (Jensen 1934) Suzuki and Komagata 1983, (Type species of the genus).; Latin masculine gender adjective simplex, simple.)
 * P. tumescens ( (Jensen 1934) Suzuki and Komagata 1983, ; Latin participle adjective tumescens, swelling up.)

Pirellula
Pirellula is a genus in the phylum Planctomycetes (Bacteria).

Etymology
The name Pirellula derives from: Latin noun pirum, pear; Latin feminine gender dim. ending -ella; Latin feminine gender dim. ending -ula; New Latin feminine gender noun Pirellula, very small pear, referring to the shape of the bacterium.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * P. marina ( (Schlesner 1987) Schlesner and Hirsch 1987, ; Latin feminine gender adjective marina, of, or belonging to, the sea, marine.)
 * P. staleyi ( (Schlesner and Hirsch 1984) Schlesner and Hirsch 1987, (Type species of the genus).; New Latin genitive case masculine gender noun staleyi, of Staley, named after James T. Staley, who isolated strain ATCC 27377, under the name Pasteuria ramosa.)

Piscibacillus
Piscibacillus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Piscibacillus derives from: Latin noun piscis, fish; Latin masculine gender noun bacillus, small rod; New Latin masculine gender noun Piscibacillus, a rod from fish.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * P. halophilus ( Amoozegar et al. 2009, ; Greek noun hals, halos (ἅλς, ἁλός), salt; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective halophilus, salt-loving.)
 * P. salipiscarius ( Tanasupawat et al. 2007, (Type species of the genus).; Latin noun sal salis, salt; Latin adjective piscarius, of or belonging to fish; New Latin masculine gender adjective salipiscarius, of or belonging to a salted fish.)

Piscicoccus
Piscicoccus is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Piscicoccus derives from: Latin noun piscis, a fish; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος), grain, seed), coccus; New Latin masculine gender noun Piscicoccus, a coccus from a fish.

Species
The genus contains a single species, namely P. intestinalis ( Hamada et al. 2011, (Type species of the genus).; Latin noun intestinum, gut, intestines; Latin masculine gender suff. -alis, suffix denoting pertaining to; New Latin masculine gender adjective intestinalis, pertaining to the intestines.)

Piscinibacter
Piscinibacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Piscinibacter derives from: Latin feminine gender noun piscina, a pond, cistern, tank, reservoir; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, a rod; New Latin masculine gender noun Piscinibacter, a rod from a pond.

Species
The genus contains a single species, namely P. aquaticus ( (Song and Cho 2007) Stackebrandt et al. 2009, (Type species of the genus).; Latin masculine gender adjective aquaticus, living, growing or found in or by the water, aquatic.)

Piscirickettsia
Piscirickettsia is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Piscirickettsia derives from: Latin noun piscis, a fish; New Latin feminine gender noun Rickettsia, a generic name; New Latin feminine gender noun Piscirickettsia, rickettsia-like organism affecting fish.

Species
The genus contains a single species, namely P. salmonis ( Fryer et al. 1992, (Type species of the genus).; Latin noun salmo -onis, salmon; Latin genitive case noun salmonis, of salmon, since it was first discovered in salmon.)

Planctomyces
Planctomyces is a genus in the phylum Planctomycetes (Bacteria).

Etymology
The name Planctomyces derives from: Greek adjective planktos, wandering, floating; Greek masculine gender noun mukēs, fungus; New Latin masculine gender noun Planctomyces, floating fungus.

Species
The genus contains 6 species (including basonyms and synonyms), namely
 * P. bekefii ( Gimesi 1924, species. (Type species of the genus).; New Latin genitive case masculine gender noun bekefii, of B&eacute;kefi, named for Remigius B&eacute;kefi (1858–1924), cultural historian, university professor, and abbot of the Hungarian Cistercian Order.)
 * P. brasiliensis ( Schlesner 1990, ; New Latin masculine gender adjective brasiliensis, of or belonging to the country of Brazil.)
 * P. guttaeformis ( (ex Hortob&aacute;gyi 1965) Starr and Schmidt 1984,, nom. rev.; Latin noun gutta -ae, a drop; Latin genitive case noun guttae, of a drop; Latin masculine gender suff. -formis (from Latin noun forma, figure, shape, appearance), -like, in the shape of; New Latin masculine gender adjective guttaeformis, drop-shaped.)
 * P. limnophilus ( Hirsch and M&uuml;ller 1986, ; Greek noun limnos, lake; New Latin masculine gender adjective philus (from Greek masculine gender adjective philos ), friend, loving; New Latin masculine gender adjective limnophilus, lake-loving.)
 * P. maris ( (ex Bauld and Staley 1976) Bauld and Staley 1980,, nom. rev.; Latin genitive case noun maris, of the sea.)
 * P. stranskae ( (ex Wawrik 1952) Starr and Schmidt 1984,, nom. rev.; New Latin feminine gender genitive case noun stranskae, of Stransky; named originally by F. Wawrik in honor of her biology teacher, Medieval Latin Stransky.)

Planifilum
Planifilum is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Planifilum derives from: Latin adjective planus, flat; Latin neuter gender noun filum, a thread; New Latin neuter gender noun Planifilum, a flat thread.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * P. fimeticola ( Hatayama et al. 2005, (Type species of the genus).; Latin noun fimetum, a dung-hill and, by extension, compost; Latin suff. -cola (from Latin noun incola), inhabitant; New Latin noun fimeticola, inhabitant of compost, referring to the habitat of the type strain.)
 * P. fulgidum ( Hatayama et al. 2005, ; Latin neuter gender adjective fulgidum, shining, lustrous, referring to the colony character.)
 * P. yunnanense ( Zhang et al. 2007, ; New Latin neuter gender adjective yunnanense, referring to Yunnan, the southern Province, P. R. China, where the sample was collected.)

Planktothricoides
Planktothricoides is a genus in the phylum Cyanobacteria (Bacteria).

Etymology
The name Planktothricoides derives from: New Latin noun Planktothrix, a genus of cyanobacteria; Latin suff. -oides (from Greek suff. -eides, from Greek noun eidos, that which is seen, form, shape, figure), ressembling, similar; New Latin feminine gender noun Planktothricoides, resembling Planktothrix Anagnostidis et Koma!rek.

Species
The genus contains a single species, namely P. raciborskii ( Suda et al. 2002, (Type species of the genus).; Not given in the paper by Suda et al. 2002. New Latin genitive case masculine gender noun raciborskii, of Raciborski.)

Planktothrix
Planktothrix is a genus in the phylum Cyanobacteria (Bacteria).

Etymology
The name Planktothrix derives from: Greek adjective planktos -ē -on, wandering, roaming; Greek feminine gender noun thrix, thread, hair; New Latin feminine gender noun Planktothrix, wandering (planktonic) hair.

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * P. mougeotii ( Suda et al. 2002, ; not found.)
 * P. pseudagardhii ( Suda and Watanabe 2002, ; Greek adjective pseudēs, false; New Latin noun agardhii, a bacterial specific epithet; New Latin noun pseudagardhii, false agardhii, referring to Planktothrix agardhii.''' )

Planobacterium
Planobacterium is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Planobacterium derives from: Greek adjective planos, wandering; Latin neuter gender noun bacterium, a rod; New Latin neuter gender noun Planobacterium, motile rod.

Species
The genus contains a single species, namely P. taklimakanense ( Peng et al. 2009, (Type species of the genus).; New Latin neuter gender adjective taklimakanense, pertaining to the desert of Taklimakan, Xinjiang, China, where the type strain was isolated.)

Planobispora
Planobispora is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Planobispora derives from:

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * P. longispora ( Thiemann and Beretta 1968, species. (Type species of the genus).;)
 * P. rosea ( Thiemann 1970, species.;)

Planococcus
Planococcus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Planococcus derives from: Greek noun planos, wandering; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος), grain, seed), coccus; New Latin masculine gender noun Planococcus, motile coccus.

Species
The genus contains 15 species (including basonyms and synonyms), namely
 * P. alkanoclasticus ( Engelhardt et al. 2001, ; New Latin noun alkanum, alkane; Greek adjective klastos, broken in pieces; New Latin masculine gender adjective alkanoclasticus, breaking alcanes.)
 * P. antarcticus ( Reddy et al. 2002, ; Latin masculine gender adjective antarcticus, southern, pertaining to Antarctica.)
 * P. citreus ( Migula 1894, species. (Type species of the genus).; Latin masculine gender adjective citreus, of or pertaining to the citrus, intended to mean lemon yellow.)
 * P. columbae ( Suresh et al. 2007, ; Latin genitive case noun columbae, of a pigeon (Columba livia).)
 * P. donghaensis ( Choi et al. 2007, ; New Latin masculine gender adjective donghaensis, of Donghae, the Korean name for the East Sea in Korea, from which the strain was isolated.)
 * P. halophilus ( Novitsky and Kushner 1976, species.; Greek noun hals, halos (ἅλς, ἁλός), salt; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective halophilus, salt-loving.)
 * P. kocurii ( Hao and Komagata 1986, ; New Latin masculine gender genitive case noun kocurii, of Kocur, named in honor of Miloslav Kocur, a Czechoslovakian bacteriologist.)
 * P. maitriensis ( Alam et al. 2004, ; New Latin masculine gender adjective maitriensis, pertaining to the Indian station Maitri in Schirmacher Oasis, Antarctica.)
 * P. maritimus ( Yoon et al. 2003, ; Latin masculine gender adjective maritimus, of or belonging to the sea, maritime.)
 * P. mcmeekinii ( Junge et al. 1998, ; New Latin genitive case noun mcmeekinii, of McMeekin, named after Thomas A. McMeekin, Australian microbiologist.)
 * P. okeanokoites ( (ZoBell and Upham 1944) Nakagawa et al. 1996, ; Greek masculine gender noun okeanos, the ocean; Greek feminine gender noun choite, bed; New Latin feminine gender genitive case noun okeanokoites, of the ocean bed.)
 * P. psychrophilus ( Reddy et al. 2002, ; Greek adjective psychros (ψυχρός),cold; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective psychrophilus, cold-loving.)
 * P. rifietoensis ( corrig. Romano et al. 2003, ; New Latin masculine gender adjective rifietoensis, pertaining to Rifieto Spring in Italy (Campania Region).)
 * P. salinarum ( Yoon et al. 2010, ; Latin pl. genitive case noun salinarum, of salterns.)
 * P. stackebrandtii ( Mayilraj et al. 2005, ; New Latin genitive case noun stackebrandtii, of Stackebrandt, to honour Erko Stackebrandt, a German microbiologist, for his valuable contributions to microbial taxonomy and molecular systematics.)

Planomicrobium
Planomicrobium is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Planomicrobium derives from: Greek noun planos, wanderer; Greek adjective micros, small; Greek noun bios (βίος), life; New Latin neuter gender noun microbium, microbe; New Latin neuter gender noun Planomicrobium, motile microbe.

Species
The genus contains 9 species (including basonyms and synonyms), namely
 * P. alkanoclasticum ( (Engelhardt et al. 2001) Dai et al. 2005, ; New Latin noun alkanum, alkane; Greek adjective klastos, broken in pieces; New Latin neuter gender adjective alkanoclasticum, breaking alcanes.)
 * P. chinense ( Dai et al. 2005, ; New Latin neuter gender adjective chinense, pertaining to China, where the type strain was isolated and studied.)
 * P. flavidum ( Jung et al. 2009, ; Latin neuter gender adjective flavidum, pale yellow.)
 * P. glaciei ( Zhang et al. 2009, ; Latin genitive case noun glaciei, of ice, referring to the isolation source of the type strain, the China No. 1 glacier.)
 * P. koreense ( Yoon et al. 2001, (Type species of the genus).; New Latin neuter gender adjective koreense, pertaining to Korea.)
 * P. mcmeekinii ( (Junge et al. 1998) Yoon et al. 2001, ; New Latin genitive case noun mcmeekinii, of McMeekin, named after Thomas A. McMeekin, Australian microbiologist.)
 * P. okeanokoites ( (ZoBell and Upham 1944) Yoon et al. 2001, ; Greek masculine gender noun okeanos, the ocean; Greek feminine gender noun choite, bed; New Latin feminine gender genitive case noun okeanokoites, of the ocean bed.)
 * P. psychrophilum ( (Reddy et al. 2002) Dai et al. 2005, ; Greek adjective psychros (ψυχρός), cold; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin neuter gender adjective psychrophilum, cold-loving.)
 * P. stackebrandtii ( (Mayilraj et al. 2005) Jung et al. 2009, ; New Latin genitive case noun stackebrandtii, of Stackebrandt, to honour Erko Stackebrandt, a German microbiologist, for his valuable contributions to microbial taxonomy and molecular systematics.)

Planomonospora
Planomonospora is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Planomonospora derives from:

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * P. alba ( Mertz 1994, ;)
 * P. parontospora ( Thiemann et al. 1967, species. (Type species of the genus).;)
 * P. parontospora ( subsp. antibiotica Thiemann et al. 1968, subspecies.;)
 * P. parontospora ( subsp. parontospora Thiemann et al. 1967, subspecies.;)
 * P. sphaerica ( Mertz 1994, ;)
 * P. venezuelensis ( Thiemann 1970, species.;)

Planopolyspora
Planopolyspora is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Planopolyspora derives from:

Species
The genus contains a single species, namely P. crispa ( Petrolini et al. 1993, (Type species of the genus).; Latin feminine gender adjective crispa, curled.)

Planosporangium
Planosporangium is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Planosporangium derives from: Greek noun planes, a wanderer; New Latin neuter gender noun sporangium, sporangium, spore case; New Latin neuter gender noun Planosporangium, wandering sporangium, referring to the production of sporangia with motile spores.

Species
The genus contains a single species, namely P. flavigriseum ( Wiese et al. 2008, (Type species of the genus).; Latin adjective flavus, yellow; New Latin neuter gender adjective griseum, grey; New Latin neuter gender adjective flavigriseum, yellowish grey, referring to the colour of substrate mycelium of the type strain.)

Planotetraspora
Planotetraspora is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Planotetraspora derives from: Greek noun planos, a wanderer; Greek adjective tetra, four; Greek noun spora (σπορά), a seed; New Latin feminine gender noun Planotetraspora, a mobile, four-spored organism.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * P. kaengkrachanensis ( Suriyachadkun et al. 2010, ; New Latin feminine gender adjective kaengkrachanensis, of or belonging to Kaeng Krachan District, located in Thailand, where the type strain was isolated.)
 * P. mira ( Runmao et al. 1993, (Type species of the genus).;)
 * P. phitsanulokensis ( Suriyachadkun et al. 2010, ; New Latin feminine gender adjective phitsanulokensis, of or belonging to Phitsanulok Province, located in Thailand, where the type strain was isolated.)
 * P. silvatica ( Tamura and Sakane 2004, ; Latin feminine gender adjective silvatica, of or belonging to a wood.)
 * P. thailandica ( Suriyachadkun et al. 2009, ; New Latin feminine gender adjective thailandica, pertaining to Thailand, where the type strain was isolated.)

Plantactinospora
Plantactinospora is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Plantactinospora derives from: Latin noun planta, a plant; Greek noun aktis, aktinos (ἀκτίς, ἀκτῖνος); Greek feminine gender noun spora (σπορά), a seed, and in biology a spore; New Latin feminine gender noun Plantactinospora, pertaining to a spore-forming actinomycete isolated from plant tissues.

Species
The genus contains a single species, namely P. mayteni ( Qin et al. 2009, (Type species of the genus).; New Latin noun Maytenus, a botanical genus name; New Latin genitive case noun mayteni, of the plant genus Maytenus.)

Plantibacter
Plantibacter is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Plantibacter derives from: Latin feminine gender noun planta, any vegetable production that serves to propagate the species (a sprout, shoot, twig, sprig, sucker, graft, scion, slip, cutting), a young plant; here intended to mean a plant; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Plantibacter, rod of/from plants.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * P. auratus ( Lin and Yokota 2006, ; Latin masculine gender participle adjective auratus, gold-coloured, yellow.)
 * P. flavus ( Behrendt et al. 2002, (Type species of the genus).; Latin masculine gender adjective flavus, golden yellow, reddish yellow, referring to the colony colour.)

Pleomorphomonas
Pleomorphomonas is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pleomorphomonas derives from: New Latin masculine gender adjective pleomorphus (from Greek adjective pleos, full, and Greek noun morphē, form, shape), pleomorphic; Greek feminine gender noun monas (μονάς / μονάδα), monad, unit; New Latin feminine gender noun Pleomorphomonas, pleomorphic monad.

Members of the genus Pleomorphomonas can be referred to as pleomorphomonad (viz. Trivialisation of names).

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * P. koreensis ( Im et al. 2006, ; New Latin feminine gender adjective koreensis, pertaining to Korea, where the type strain was isolated and researched.)
 * P. oryzae ( Xie and Yokota 2005, (Type species of the genus).; Latin genitive case noun oryzae, of rice, from which the strains were isolated.)

Plesiocystis
Plesiocystis is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Plesiocystis derives from: Greek adjective plesios, near, close, neighbouring; Greek feminine gender noun kustis, bladder; New Latin feminine gender noun Plesiocystis, neighbour bladder (to imply the genus is phylogenetically clustered next to the genus Nannocystis on the dendrogram).

Species
The genus contains a single species, namely P. pacifica ( Iizuka et al. 2003, (Type species of the genus).; Latin feminine gender adjective pacifica, pacific, pertaining to the Pacific Ocean.)

Plesiomonas
Plesiomonas is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Plesiomonas derives from:
 * Greek adjective plesios, near, close, neighbouring; Greek feminine gender noun monas (μονάς / μονάδα), unit, monad; New Latin feminine gender noun Plesiomonas, neighbouring monad (to Aeromonas).

Members of the genus Plesiomonas can be referred to as plesiomonad (viz. Trivialisation of names).

Species
The genus contains a single species, namely P. shigelloides ( corrig. (Bader 1954) Habs and Schubert 1962, species. (Type species of the genus).;: New Latin feminine gender noun Shigella, a generic name; Latin suff. -oides (from Greek suff. -eides, from Greek noun eidos, that which is seen, form, shape, figure), ressembling, similar; New Latin feminine gender adjective shigelloides, Shigella-like.)

Polaribacter
Polaribacter is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Polaribacter derives from: New Latin adjective polaris (from Latin noun polus, a pole), pertaining to the geographic poles; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod or staff; New Latin masculine gender noun Polaribacter, rod-shaped bacteria from polar habitats.

Species
The genus contains 6 species (including basonyms and synonyms), namely
 * P. butkevichii ( Nedashkovskaya et al. 2006, ; New Latin genitive case masculine gender noun butkevichii, of Butkevich, named after V.S. Butkevich, Russian marine microbiologist.)
 * P. dokdonensis ( Yoon et al. 2006, ; New Latin masculine gender adjective dokdonensis, pertaining to Dokdo, an island of Korea, from where the type strain was isolated.)
 * P. filamentus ( Gosink et al. 1998, (Type species of the genus).; Latin noun filum, thread; New Latin masculine gender adjective filamentus, threadlike, filamentous.)
 * P. franzmannii ( Gosink et al. 1998, ; New Latin genitive case masculine gender noun franzmannii, of Franzmann, named in honor of Peter D. Franzmann, an Australian microbiologist and polar researcher.)
 * P. glomeratus ( (McGuire et al. 1988) Gosink et al. 1998, ; Latin masculine gender participle adjective glomeratus, (from Latin v. glomerare, to form into ball, glomerate), formed into a ball, glomerated.)
 * P. irgensii ( Gosink et al. 1998, ; Latin genitive case masculine gender noun irgensii, of Irgens, named in honor of Roar Latin Irgens, the first microbiologist to observe polar marine gas vacuolate bacteria.)

Polaromonas
Polaromonas is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Polaromonas derives from:
 * New Latin adjective polaris (from Latin noun polus, the end of an axis, a pole; and Latin suff. -aris, suffix denoting pertaining to), pertaining to the geographic poles; Latin feminine gender noun monas (μονάς / μονάδα), a monad, unit; New Latin feminine gender noun Polaromonas, polar bacterium.

Members of the genus Polaromonas can be referred to as polaromonad (viz. Trivialisation of names).

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * P. aquatica ( K&auml;mpfer et al. 2006, ; Latin feminine gender adjective aquatica, aquatic, from water.)
 * P. hydrogenivorans ( Sizova and Panikov 2007, ;: New Latin hydrogenum (from Greek noun húdōr (ὕδωρ), water; and Greek v. gennaō (γεννάω), to produce), hydrogen, an element; Latin participle adjective vorans, consuming; New Latin participle hydrogenivorans, hydrogen-consuming.)
 * P. jejuensis ( Weon et al. 2008, ; New Latin feminine gender adjective jejuensis, referring to Jeju, Korea.)
 * P. naphthalenivorans ( Jeon et al. 2004, ; New Latin neuter gender noun naphtalenum, naphtalene; Latin participle adjective vorans, devouring; New Latin feminine gender participle adjective naphtalenivorans, naphtalene-devouring.)
 * P. vacuolata ( Irgens et al. 1996, (Type species of the genus).;: New Latin feminine gender adjective vacuolata, equipped with gas vacuoles.)

Polyangium
Polyangium is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Polyangium derives from: Greek adjective polu, many; Greek neuter gender noun angeion (Latin transliteration angium), vessel; New Latin neuter gender noun Polyangium, many vessels.

Species
The genus contains 10 species (including basonyms and synonyms), namely
 * P. aureum ( (ex Krzemieniewska and Krzemieniewski 1930) Brockman 1989,, nom. rev.; Latin neuter gender adjective aureum, golden.)
 * P. cellulosum ( (ex Imshenetski and Solntseva 1936) Brockman 1989,, nom. rev.; New Latin neuter gender noun cellulosum, cellulose.)
 * P. fumosum ( Krzemieniewska and Krzemieniewski 1930, species.; Latin neuter gender adjective fumosum, full of smoke, smoky.)
 * P. luteum ( (ex Krzemieniewska and Krzemieniewski 1927) Brockman 1989,, nom. rev.; Latin neuter gender adjective luteum, golden-yellow, saffron-yellow.)
 * P. minor ( (Peterson 1959) McCurdy 1970, species.; Latin masculine gender adjective minor (comparative of parvus, small), smaller. The epithet minor is in the masculine gender, but the genus name Polyangium is in the neuter gender! The correct epithet should be minus.)
 * P. parasiticum ( (ex Geitler 1924) Brockman 1989,, nom. rev.; Latin neuter gender adjective parasiticum, parasitic.)
 * P. rugiseptum ( (Peterson 1959) McCurdy 1970, species.; Latin noun ruga, wrinkle; Latin noun septum, wall, enclosure; New Latin noun rugispetum, a wrinkled enclosure.)
 * P. sorediatum ( (ex Thaxter 1904) Brockman 1989,, nom. rev.; Greek noun soros, heap, pile; New Latin neuter gender adjective sorediatum, piled up (i.e. the sporangioles).)
 * P. spumosum ( (ex Krzemieniewska and Krzemieniewski 1927) Brockman 1989,, nom. rev.; Latin neuter gender adjective spumosum, full of foam, foamy.)
 * P. vitellinum ( Link 1809, species. (Type species of the genus).; Latin masculine gender noun vitellus, the yolk of an egg; Latin neuter gender suff. -inum, suffix used with the sense of belonging to; New Latin neuter gender adjective vitellinum, in the color of egg yolk.)

Polymorphospora
Polymorphospora is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Polymorphospora derives from: Greek adjective polumorphos, multiform; Greek feminine gender noun spora (σπορά), seed, and in biology a spore; New Latin feminine gender noun Polymorphospora, polymorphic spore.

Species
The genus contains a single species, namely P. rubra ( Tamura et al. 2006, (Type species of the genus).; Latin feminine gender adjective rubra, red.)

Polynucleobacter
Polynucleobacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Polynucleobacter derives from: Greek adjective polus, many, numerous; Latin masculine gender noun nucleus, a little nut, kernel; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, a rod; New Latin masculine gender noun polynucleobacter, the rod (bacterium) with many nucleoids.

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * P. acidiphobus ( Hahn et al. 2011, ; New Latin noun acidum (from Latin adjective acidus, sour) an acid; Greek suff. -phobos (from Greek noun phobos, panic fear) having a horror; New Latin masculine gender adjective acidiphobus, acid-hating, referring to the observation that this species was never detected in acidic waters.)
 * P. cosmopolitanus ( Hahn et al. 2010, ; New Latin masculine gender adjective cosmopolitanus (from Greek adjective kosmopolites, an inhabitant of the world, a cosmopolitan), cosmopolitan.)
 * P. necessarius ( Heckmann and Schmidt 1987, (Type species of the genus).; Latin masculine gender adjective necessarius, indispensable, necessary.)
 * P. necessarius ( subsp. asymbioticus Hahn et al. 2009, ; Greek pref a, not; New Latin adjective symbioticus -a -um, living together; New Latin masculine gender adjective asymbioticus, not symbiotic.)
 * P. necessarius ( subsp. necessarius Heckmann and Schmidt 1987, ; Latin masculine gender adjective necessarius, indispensable, necessary.)
 * P. rarus ( Hahn et al. 2011, ; Latin masculine gender adjective rarus, rare, referring to the observation that this species represents a rare species, in contrast to the previously described species of the genus Polynucleobacter.)

Pontibaca
Pontibaca is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pontibaca derives from: Latin noun pontus, the sea; Latin feminine gender noun baca, a berry, especially an olive; New Latin feminine gender noun Pontibaca, olive-shaped (bacterium) of the sea.

Species
The genus contains a single species, namely P. methylaminivorans ( Kim et al. 2010, (Type species of the genus).; New Latin noun methyl, the methyl radical, the methyl group; New Latin noun aminum, the amine group; Latin participle adjective vorans, devouring; New Latin participle adjective methylaminivorans, degrading methylated amines.)

Pontibacillus
Pontibacillus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Pontibacillus derives from: Latin noun pontus, the sea; Latin masculine gender noun bacillus, a small staff, a wand; New Latin masculine gender noun Pontibacillus, bacillus pertaining to the sea.

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * P. chungwhensis ( Lim et al. 2005, (Type species of the genus).; New Latin masculine gender adjective chungwhensis, pertaining to Chungwha, where the organism was isolated.)
 * P. halophilus ( Chen et al. 2009, ; Greek noun hals, halos (ἅλς, ἁλός), salt; New Latin masculine gender adjective philus (from Greek masculine gender adjective φίλος), friend, loving; New Latin masculine gender adjective halophilus, salt-loving.)
 * P. litoralis ( Chen et al. 2010, ; Latin masculine gender adjective litoralis, of or belonging to the seashore.)
 * P. marinus ( Lim et al. 2005, ; Latin masculine gender adjective marinus, of the sea, marine.)

Pontibacter
Pontibacter is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Pontibacter derives from: Latin noun pontus, the sea; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Pontibacter, a marine bacterium.

Species
The genus contains 6 species (including basonyms and synonyms), namely
 * P. actiniarum ( Nedashkovskaya et al. 2005, (Type species of the genus).; New Latin genitive case pl. noun actiniarum, of sea anemones or related animals.)
 * P. akesuensis ( Zhou et al. 2007, ;: New Latin masculine gender adjective akesuensis, pertaining to Akesu, a city of XinJiang Province in the north-west of China from where the type strain was isolated.)
 * P. korlensis ( Zhang et al. 2008, ; New Latin masculine gender adjective korlensis, pertaining to Korla, a city of Xinjiang Province in the north-west of China from where the type strain was isolated.)
 * P. niistensis ( Dastager et al. 2010, ; New Latin masculine gender adjective niistensis, pertaining to NIIST, the acronym for the National Institute for Interdisciplinary Science and Technology, where taxonomic studies on the type strain were first performed.)
 * P. roseus ( (Suresh et al. 2006) Wang et al. 2010, ; Latin masculine gender adjective roseus, rose-coloured, pink.)
 * P. xinjiangensis ( Wang et al. 2010, ; New Latin masculine gender adjective xinjiangensis, pertaining to Xinjiang, an autonomous region in north-west China.)

Ponticaulis
Ponticaulis is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Ponticaulis derives from: Latin noun pontus, the sea; Latin masculine gender noun caulis, a stalk, referring to a prostheca; New Latin masculine gender noun Ponticaulis, stalk from the sea.

Species
The genus contains a single species, namely P. koreensis ( Kang and Lee 2009, (Type species of the genus).; New Latin masculine gender adjective koreensis, pertaining to Korea, where the type strain was isolated.)

Ponticoccus
Ponticoccus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Ponticoccus derives from: Latin noun pontus, the sea; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος), grain, seed), coccus; New Latin masculine gender noun Ponticoccus, coccus from the sea.

Species
The genus contains a single species, namely P. litoralis ( Hwang and Cho 2008, (Type species of the genus).; Latin masculine gender adjective litoralis, of the shore.)

Porphyrobacter
Porphyrobacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Porphyrobacter derives from: New Latin noun porphyrinum (Greek adjective porphureos, purple), porphyrine; New Latin pref. porphyro-, pertaining to porphyrine; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, a rod; New Latin masculine gender noun Porphyrobacter, porphyrin-producing rod.

Species
The genus contains 6 species (including basonyms and synonyms), namely
 * P. cryptus ( da Costa et al. 2003 (complete authorship reads da Costa, Rainey and Nobre), ; New Latin masculine gender adjective cryptus (from Greek adjective kryptos), hidden, to indicate the cryptic relationship of this species to the closely related organisms.)
 * P. dokdonensis ( Yoon et al. 2006, ; New Latin masculine gender adjective dokdonensis, of Dokdo, from where the strain was isolated.)
 * P. donghaensis ( Yoon et al. 2004, ; New Latin masculine gender adjective donghaensis, of Donghae, the Korean name for the East Sea in Korea from which the strains were isolated.)
 * P. neustonensis ( Fuerst et al. 1993, (Type species of the genus).; Greek adjective neustos, swimming, floating; New Latin masculine gender adjective neustonensis, intended to mean occurring at the air-water interface layer.)
 * P. sanguineus ( (ex Ahrens and Rheinheimer 1968) Hiraishi et al. 2002, nom. rev., ; Latin masculine gender adjective sanguineus, of blood (?) or blood-colored (?).)
 * P. tepidarius ( Hanada et al. 1997, ; Latin masculine gender adjective tepidarius, of or belonging to tepid water or to a tepid bath.)

Porphyromonas
Porphyromonas is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Porphyromonas derives from: Greek adjective porphureos, purple; Greek feminine gender noun monas (μονάς / μονάδα), monad, unit; New Latin feminine gender noun Porphyromonas, porphyrin unit (cell).

Members of the genus Porphyromonas can be referred to as porphyromonad (viz. Trivialisation of names).

Species
The genus contains 17 species (including basonyms and synonyms), namely
 * P. asaccharolytica ( (Holdeman and Moore 1970) Shah and Collins 1988, (Type species of the genus).; Greek pref. a, not; Greek noun sakch&acirc;r, sugar; New Latin feminine gender adjective lytica (from Greek feminine gender adjective lutikē), able to loose, able to dissolve; New Latin feminine gender adjective asaccharolytica, not digesting sugar.)
 * P. bennonis ( Summanen et al. 2009, ; New Latin masculine gender genitive case noun bennonis, of Benno, in honour of the contemporary Japanese microbiologist Yoshimi Benno, who has contributed significantly to our knowledge of anaerobic bacteria.)
 * P. cangingivalis ( Collins et al. 1994, ; Latin noun canis, dog; Latin noun gingiva, gum; Latin feminine gender suff. -alis, suffix denoting pertaining to; New Latin feminine gender adjective cangingivalis, pertaining to the gums of dogs.)
 * P. canoris ( Love et al. 1994, ; Latin noun canis, dog; Latin noun os oris, the mouth; New Latin genitive case noun canoris, of a dog&rsquo;s mouth.)
 * P. cansulci ( Collins et al. 1994, ; Latin noun canis, dog; Latin genitive case noun sulci, of a furrow; Latin genitive case noun cansulci, of a dog&#39;s furrow, referring to the habitat in the mouths of dogs.)
 * P. catoniae ( (Moore and Moore 1994) Willems and Collins 1995, ; New Latin genitive case feminine gender noun catoniae, of Cato, named in honor of Elizabeth P. Cato, an American microbiologist.)
 * P. circumdentaria ( Love et al. 1992, ; Latin adv. and prep. circum, around, about; Latin feminine gender adjective dentaria, pertaining to teeth; New Latin feminine gender adjective circumdentaria, referring to the isolation of the organism from the vicinity of the teeth.)
 * P. crevioricanis ( Hirasawa and Takada 1994, ; New Latin genitive case noun crevi (sic), of a crevice; Latin genitive case noun oris, of the mouth; Latin genitive case noun canis, of a dog; New Latin genitive case noun crevioricanis, of the crevice of a dog&rsquo;s mouth.)
 * P. endodontalis ( (van Steenbergen et al. 1984) Shah and Collins 1988, ; Greek adv. endon, within; Greek noun odous -ontos, tooth; Latin feminine gender suff. -alis, suffix denoting pertaining to; New Latin feminine gender adjective endodontalis, pertaining to the inside of a tooth, within teeth.)
 * P. gingivalis ( (Coykendall et al. 1980) Shah and Collins 1988, ; Latin noun gingiva, gum; Latin feminine gender suff. -alis, suffix denoting pertaining to; New Latin feminine gender adjective gingivalis, pertaining to the gums, gingival.)
 * P. gingivicanis ( Hirasawa and Takada 1994, ; Latin noun gingiva, gum; Latin genitive case noun canis, of a dog; New Latin genitive case noun gingivicanis, of the gums of a dog.)
 * P. gulae ( Founier et al. 2001, ; Latin noun gula, [animal] mouth; Latin genitive case noun gulae, of/from the animal mouth, referring to its isolation from subgingival plaque of various animal hosts.)
 * P. levii ( (Johnson and Holdeman 1983) Shah et al. 1995, ; New Latin genitive case masculine gender noun levii, of Lev, named after Meir Lev, the American-English microbiologist, who first isolated this organism.)
 * P. macacae ( (Slots and Genco 1980) Love 1995, ; New Latin noun Macaca, genus name of the macaque; New Latin genitive case noun macacae, of the macaque.)
 * P. salivosa ( (Love et al. 1987) Love et al. 1992, ; Latin feminine gender adjective salivosa, resembling saliva, slimy.)
 * P. somerae ( Summanen et al. 2006, ; New Latin genitive case feminine gender noun somerae, of Somer, in honor of the Finnish microbiologist Hannele Jousimies-Somer, who has contributed significantly to our knowledge of pigmented anaerobic Gram-negative rods and to the identification of clinically important anaerobic bacteria in general.)
 * P. uenonis ( Finegold et al. 2005, ; New Latin genitive case masculine gender noun uenonis, of Ueno, to honor the Japanese microbiologist Kazue Ueno, who has contributed so much to our knowledge of Gram-negative anaerobic rods and anaerobic bacteriology in general.)

Porticoccus
Porticoccus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Porticoccus derives from: Latin noun portus, a harbour, haven, port; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος), grain, seed), a coccus; New Latin masculine gender noun Porticoccus, a coccus isolated from a harbour.

Species
The genus contains a single species, namely P. litoralis ( Oh et al. 2010, (Type species of the genus).; Latin masculine gender adjective litoralis, of or belonging to the sea shore.)

Pragia
Pragia is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pragia derives from: New Latin feminine gender noun Pragia, of Prague, the city in which strains of the genus were identified.

Species
The genus contains a single species, namely P. fontium ( Aldov&aacute; et al. 1988, (Type species of the genus).; Latin genitive case pl. noun fontium, from springs or fountains, the mean source of isolation.)

Prauserella
Prauserella is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Prauserella derives from: New Latin feminine gender dim. noun Prauserella, named after Helmut Prauser, a German microbiologist who made many contributions to actinomycete systematics.

Species
The genus contains 9 species (including basonyms and synonyms), namely
 * P. aidingensis ( Li et al. 2009, ; New Latin feminine gender adjective aidingensis, of or belonging to Aiding Lake, where the type strain was isolated.)
 * P. alba ( Li et al. 2003, ; Latin feminine gender adjective alba, white, referring to the white aerial mycelium.)
 * P. flava ( Li et al. 2009, ; Latin feminine gender adjective flava, yellow, referring to the colour of the substrate mycelium.)
 * P. halophila ( Li et al. 2003, ; Greek noun hals, halos (ἅλς, ἁλός), salt; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin feminine gender adjective halophila, salt-loving, referring to the ability to grow at high NaCl concentrations.)
 * P. marina ( Wang et al. 2010, ; Latin feminine gender adjective marina, of the sea, marine.)
 * P. muralis ( Sch&auml;fer et al. 2010, ; Latin feminine gender adjective muralis, pertaining or belonging to walls.)
 * P. rugosa ( (Lechevalier et al. 1986) Kim and Goodfellow 1999, (Type species of the genus).; Latin feminine gender adjective rugosa, wrinkled.)
 * P. salsuginis ( Li et al. 2009, ; Latin noun salsugo -inis, brine, salt water; Latin genitive case noun salsuginis, of salt water, from which the type strain was isolated.)
 * P. sediminis ( Li et al. 2009, ; Latin noun sedimen -inis, sediment; Latin genitive case noun sediminis, of sediment.)

Prevotella
Prevotella is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Prevotella derives from: New Latin feminine gender noun Prevotella, named after the French microbiologist, A. R. Pr&eacute;vot, a pioneer in anaerobic microbiology.

Species
The genus contains 47 species (including basonyms and synonyms), namely
 * P. albensis ( Avgustin et al. 1997, ; New Latin feminine gender adjective albensis, referring to Alba, the ancient name for Scotland north of the Forth and Clyde, where the type strain was isolated.)
 * P. amnii ( Lawson et al. 2008, ; Greek noun amnion, inner membrane surrounding the fetus; New Latin genitive case noun amnii, of the amnion, pertaining to the amniotic fluid from which the organism was first isolated.)
 * P. aurantiaca ( Sakamoto et al. 2010, ; New Latin feminine gender adjective aurantiaca, orange-coloured.)
 * P. baroniae ( Downes et al. 2005, ; New Latin genitive case feminine gender noun baroniae, of Baron, named in honour of Ellen Jo Baron, the American microbiologist, for her contributions to clinical microbiology.)
 * P. bergensis ( Downes et al. 2006, ; New Latin feminine gender adjective bergensis, referring to Bergen, the Norwegian city where the first strains were isolated.)
 * P. bivia ( (Holdeman and Johnson 1977) Shah and Collins 1990, ; Latin feminine gender adjective bivia, having two ways or passages, pertaining to the saccharolytic and proteolytic activities of the species.)
 * P. brevis ( (Bryant et al. 1958) Avgustin et al. 1997, ; Latin feminine gender adjective brevis, short.)
 * P. bryantii ( Avgustin et al. 1997, ; New Latin genitive case masculine gender noun bryantii, of Bryant, named after Marvin Bryant, an American microbiologist.)
 * P. buccae ( (Holdeman et al. 1982) Shah and Collins 1990, ; Latin genitive case noun buccae, of the mouth, referring to a major natural habitat of the species.)
 * P. buccalis ( (Shah and Collins 1982) Shah and Collins 1990, ; Latin noun bucca, the mouth; Latin feminine gender suff. -alis, suffix denoting pertaining to; New Latin feminine gender adjective buccalis, buccal, pertaining to the mouth.)
 * P. copri ( Hayashi et al. 2007, ; New Latin genitive case noun copri (from Greek noun kopros -on), of/from faeces.)
 * P. corporis ( (Johnson and Holdeman 1983) Shah and Collins 1990, ; Latin noun corpus -oris, body; Latin genitive case noun corporis, of the body; pertaining to the isolation of this organism from human clinical specimens.)
 * P. dentalis ( (Haapasalo et al. 1986) Willems and Collins 1995, ; Latin noun dens dentis, a tooth; Latin feminine gender suff. -alis, suffix denoting pertaining to; New Latin feminine gender adjective dentalis, pertaining to teeth.)
 * P. dentasini ( Takada et al. 2010, ; Latin noun dens dentis, a tooth; Latin noun asinus -i, a donkey; New Latin genitive case noun dentasini, of/from the tooth of a donkey.)
 * P. denticola ( (Shah and Collins 1982) Shah and Collins 1990, ; Latin noun dens dentis, tooth; Latin suff. -cola (from Latin noun incola) inhabitant, dweller; New Latin noun denticola, tooth dweller.)
 * P. disiens ( (Holdeman and Johnson 1977) Shah and Collins 1990, ; N.L participle adjective disiens (sic), going in two different directions; intended to refer to the fact that the organism is both saccharolytic and proteolytic.)
 * P. enoeca ( Moore et al. 1994, ; Greek noun enoikos inhabitant, dweller in a place; New Latin feminine gender adjective enoeca, inhabiting, because the organism is an inhabitant of the gingival crevice.)
 * P. falsenii ( Sakamoto et al. 2009, ; New Latin genitive case masculine gender noun falsenii, of Falsen, to honour the contemporary Norwegian microbiologist Enevold Falsen, for his lifelong interest in bacterial taxonomy and for his systematic characterization of bacteria at the Culture Collection of the University of G&ouml;teborg.)
 * P. fusca ( Downes and Wade 2011, ; Latin feminine gender adjective fusca, dark-coloured, relating to the dark colour of colonies of the type strain.)
 * P. heparinolytica ( (Okuda et al. 1985) Shah and Collins 1990, ; New Latin noun heparinum (from Greek noun hēpar, liver) heparin; New Latin adjective lyticus -a -um (from Greek adjective lutikos (λυτικός) -ē -on), able to loose, able to dissolve; New Latin feminine gender adjective heparinolytica, heparin dissolving.)
 * P. histicola ( Downes et al. 2008, ; New Latin masculine gender noun histus (from Greek histos), tissue; Latin suffix -cola (from incola), inhabitant; New Latin feminine gender/masculine gender noun histicola, inhabitant of tissue.)
 * P. intermedia ( (Holdeman and Moore 1970) Shah and Collins 1990, ; Latin feminine gender adjective intermedia, intermediate.)
 * P. loescheii ( (Holdeman and Johnson 1982) Shah and Collins 1990, ; New Latin genitive case masculine gender noun loescheii, of Loesche, named after Walter J. Loesche, an American oral microbiologist.)
 * P. maculosa ( Downes et al. 2007, ;: Latin feminine gender adjective maculosa, speckled, referring to the internal appearance of colonies of the organism growing on agar media.)
 * P. marshii ( Downes et al. 2005, ; New Latin genitive case masculine gender noun marshii, of Marsh, named in honour of British microbiologist Philip Marsh, for his contributions to oral microbiology.)
 * P. melaninogenica ( (Oliver and Wherry 1921) Shah and Collins 1990, (Type species of the genus).; New Latin noun melaninum, melanin; New Latin adjective genicus -a -um, producing (probably derived from Greek noun genetēs, a begetter); New Latin feminine gender adjective melaninogenica, melanin producing (black pigment is due to protoheme and not to melanin, as originally thought.).)
 * P. micans ( Downes et al. 2009, ; Latin participle adjective micans, sparkling, referring to the sparkling, iridescent appearance of the colonies of the organism growing on agar media.)
 * P. multiformis ( Sakamoto et al. 2005, ; Latin feminine gender adjective multiformis, many-shaped, multiform.)
 * P. multisaccharivorax ( Sakamoto et al. 2005, ; Latin adjective multus, many, much; Latin noun saccharum, sugar; Latin adjective vorax, devouring, ravenous, voracious; New Latin feminine gender adjective multisaccharivorax, liking to eat many sugars.)
 * P. nanceiensis ( Alauzet et al. 2007, ; New Latin feminine gender adjective nanceiensis, pertaining to Nanceium, the old name of Nancy, the French city where the strains supporting the description of the species were isolated.)
 * P. nigrescens ( Shah and Gharbia 1992, ; Latin participle adjective nigrescens, becoming black, growing dark, referring to the characteristic black colonies formed on blood agar plates.)
 * P. oralis ( (Loesche et al. 1964) Shah and Collins 1990, ; Latin noun os oris, the mouth; Latin feminine gender suff. -alis, suffix denoting pertaining to; New Latin feminine gender adjective oralis, pertaining to the mouth.)
 * P. oris ( (Holdeman et al. 1982) Shah and Collins 1990, ; Latin noun os oris, the mouth; Latin genitive case noun oris, of the mouth, referring to a major natural habitat of the species.)
 * P. oulorum ( corrig. (Shah et al. 1985) Shah and Collins 1990, ; Greek noun oulon, the gums; New Latin genitive case pl. noun oulorum, of the gums.)
 * P. pallens ( K&ouml;n&ouml;nen et al. 1998, ; Latin participle adjective pallens, being or looking or growing pale, referring to the weak pigmentation of colonies on blood agar plates.)
 * P. paludivivens ( Ueki et al. 2007, ; Latin noun palus -udis, swamp, marsh; Latin v. vivo, to live; New Latin participle adjective paludivivens, living in swamps.)
 * P. pleuritidis ( Sakamoto et al. 2007, ; New Latin genitive case feminine gender noun pleuritidis, of/from pleuritis, an inflammation of the pleura.)
 * P. ruminicola ( (Bryant et al. 1958) Shah and Collins 1990, ; Latin noun rumen -inis, first stomach of ruminants, rumen; Latin suff. -cola (from Latin noun incola), inhabitant, deweller; New Latin noun ruminicola, inhabitant of the rumen.)
 * P. saccharolytica ( Downes et al. 2010, ; Greek noun sakchar -aros, sugar; New Latin feminine gender adjective lytica (from Greek feminine gender adjective lutikē), able to loose, able to dissolve; New Latin feminine gender adjective saccharolytica, saccharolytic, breaking down multiple sugars.)
 * P. salivae ( Sakamoto et al. 2004, ; Latin feminine gender noun saliva, saliva; Latin genitive case noun salivae, of/from saliva from which the micro-organism was isolated.)
 * P. scopos ( Downes and Wade 2011, ; Latin masculine gender noun scopos (nominative in apposition), a mark, aim at which one shoots, referring to the &lsquo;bullseye&rsquo; appearance of older colonies of the type strain.)
 * P. shahii ( Sakamoto et al. 2004, ; New Latin genitive case masculine gender noun shahii, of Shah, named after the Trinidadian-born British microbiologist Haroun N. Shah, for his contributions to taxonomy of the genus Bacteroides and related taxa.)
 * P. stercorea ( Hayashi et al. 2007, ; Latin feminine gender adjective stercorea, pertaining to faeces.)
 * P. tannerae ( Moore et al. 1994, ; New Latin genitive case feminine gender noun tannerae, of Tanner, in honor of Anne C. R. Tanner, a United States microbiologist.)
 * P. timonensis ( Glazunova et al. 2007, ;: New Latin feminine gender adjective timonensis, pertaining to the Hōpital de la Timone, the hospital in Marseille, France, from where the type strain was isolated.)
 * P. veroralis ( (Watabe et al. 1983) Shah and Collins 1990, ; Latin adjective verus, true; New Latin feminine gender adjective oralis, pertaining to the mouth and also a specific epithet; New Latin feminine gender adjective veroralis, the true (Prevotella) oralis.)
 * P. zoogleoformans ( (Weinberg et al. 1937) Shah and Collins 1990, ; Greek adjective zōos, alive, living; Greek masculine gender noun gloios, any glutinous substance, gum, glue; New Latin feminine gender noun zoogleoea, inhabitant of glue, zoogloea; Latin participle adjective formans, forming; New Latin participle adjective zoogleoformans, forming zoogloea (pertaining to the glutinous mass produced in broth cultures).)

Prochlorococcus
Prochlorococcus is a genus in the phylum Cyanobacteria (Bacteria).

Etymology
The name Prochlorococcus derives from: Greek prep. and pref. pro, before, primitive; Greek adjective chlōros, green; Greek noun kokkos (κόκκος), grain or kernel; New Latin masculine gender noun Prochlorococcus, primitive green kernel (cell).

Species
The genus contains a single species, namely P. marinus ( Chisholm et al. 2001, (Type species of the genus).; Latin masculine gender adjective marinus, of the sea, marine.)

Prochloron
Prochloron is a genus in the phylum Cyanobacteria (Bacteria).

Etymology
The name Prochloron derives from: Greek prep. and pref. pro, before, primitive; Greek adjective chlōros, green; New Latin neuter gender noun Prochloron, primitive green (cell).

Species
The genus contains a single species, namely P. didemni ( (ex Lewin 1975) Florenzano et al. 1986,, nom. rev. (Type species of the genus).; New Latin genitive case noun didemni, of Didemnum (a zoological scientific genus name).)

Prochlorothrix
Prochlorothrix is a genus in the phylum Cyanobacteria (Bacteria).

Etymology
The name Prochlorothrix derives from: Greek adjective protos, first, primordial; Greek adjective chlōros, green; Greek feminine gender noun thrix, hair or thread; New Latin feminine gender noun Prochlorothrix, primordial green hair.

Species
The genus contains a single species, namely P. hollandica ( Burger-Wiersma et al. 1989, (Type species of the genus).; New Latin feminine gender adjective hollandica, pertaining to Holland, part of The Netherlands.)

Prolinoborus
Prolinoborus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Prolinoborus derives from: New Latin noun prolinum, the amino acid proline; Greek adjective boros, gluttonous, voracious New Latin masculine gender noun Prolinoborus (bacteria) that readily consume proline.

Species
The genus contains a single species, namely P. fasciculus ( (Strength et al. 1976) Pot et al. 1992, (Type species of the genus).; Latin masculine gender dim. noun fasciculus, a small bundle.)

Prolixibacter
Prolixibacter is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Prolixibacter derives from:
 * Latin adjective prolixus, long, extended; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, a rod; New Latin masculine gender noun Prolixibacter, a long rod.

Species
The genus contains a single species, namely P. bellariivorans ( Holmes et al. 2007, (Type species of the genus).;: Latin pl. noun bellaria, sweets, dessert; Latin participle adjective vorans, devouring; New Latin participle adjective bellariivorans, sweet-devouring, consuming sweet things.)

Promicromonospora
Promicromonospora is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Promicromonospora derives from: Greek pref. pro, before, primitive; Greek adjective mikros (μικρός), small; Greek adjective monos, single, solitary; Greek feminine gender noun spora (σπορά), a seed, and in biology a spore; New Latin feminine gender noun Promicromonospora, the genus name was coined to reflect the combination of traits then thought to be characteristic of the actinomycete form-genera Proactinomyces (the tendency of the mycelium to fragment) and Micromonospora (the formation of single spores on the substrate mycelium).

Species
The genus contains 9 species (including basonyms and synonyms), namely
 * P. aerolata ( Busse et al. 2003, ; Greek noun aer, aeros (ἀήρ, ἀέρος), air; Latin participle adjective latus, carried; New Latin participle feminine gender adjective aerolata, airborne.)
 * P. citrea ( Krasil&#39;nikov et al. 1961, species. (Type species of the genus).; Latin feminine gender adjective citrea, of or pertaining to the citron-tree; intended to mean lemon-yellow.)
 * P. enterophila ( J&aacute;ger et al. 1983, ; Greek noun enteron, intestine; New Latin feminine gender adjective phila (from Greek feminine gender adjective philē (φίλη)), friend, loving; New Latin feminine gender adjective enterophila, gut-loving.)
 * P. flava ( Jiang et al. 2009, ; Latin feminine gender adjective flava, yellow, being a yellowish organism.)
 * P. kroppenstedtii ( Alonso-Vega et al. 2008, ; New Latin genitive case masculine gender noun kroppenstedtii, of Kroppenstedt, named in honour of Reiner M. Kroppenstedt for his valuable contribution to the chemotaxonomy and systematics of actinobacteria.)
 * P. pachnodae ( Cazemier et al. 2004, ; New Latin noun Pachnoda, a botanical generic name; New Latin genitive case noun pachnodae of Pachnoda, referring to the source of the microorganism, Pachnoda marginata.)
 * P. sukumoe ( Takahashi et al. 1988, ; New Latin feminine gender adjective sukumoe (sic), of or belonging to Sukumo City, Kochi Prefecture in Japan, where the soil sample was collected from which strain SK-2049 was isolated.)
 * P. umidemergens ( Martin et al. 2010, ; Latin adjective umidus, moist; Latin participle adjective emergens, emerging, rising; New Latin participle adjective umidemergens, rising moisture.)
 * P. vindobonensis ( Busse et al. 2003, ; Latin feminine gender adjective vindobonensis, of or belonging ro Vindobona, the Roman name for Vienna, where the type strain was isolated.)

Propionibacter
Propionibacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Propionibacter derives from: New Latin noun acidum propionicum, propionic acid; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Propionibacter, propionic acid rod.

Species
The genus contains a single species, namely P. pelophilus ( Meijer et al. 1999, (Type species of the genus).; Greek noun pēlos, mud, mire; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective pelophilus, mud-loving.)

Propionibacterium
Propionibacterium is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Propionibacterium derives from: New Latin noun acidum propionicum, propionic aid; Latin neuter gender noun bacterium, a small rod; New Latin neuter gender noun Propionibacterium, propionic (acid) bacterium.

Species
The genus contains 14 species (including basonyms and synonyms), namely
 * P. acidifaciens ( Downes and Wade 2009, ; New Latin noun acidum, an acid; Latin v. facio, to produce; New Latin participle adjective acidifaciens, acid-producing.)
 * P. acidipropionici ( corrig. Orla-Jensen 1909, species.; New Latin noun acidum propionicum, propionic acid; New Latin genitive case noun acidipropionici, of propionic acid.)
 * P. acnes ( (sic) (Gilchrist 1900) Douglas and Gunter 1946, species.; Greek noun acme, a point; incorrectly transliterated as New Latin noun acne, acne; New Latin genitive case noun acnes, of acne.)
 * P. australiense ( Bernard et al. 2002, ; N.L neuter gender adjective australiense, of or belonging to Australia, the country where the bacterium was first isolated.)
 * P. avidum ( (Eggerth 1935) Moore and Holdeman 1969, species.; Latin neuter gender adjective avidum, greedy, voracious.)
 * P. cyclohexanicum ( Kusano et al. 1997, ; Greek noun kuklos, a circle; Greek noun hex, the number six; Latin neuter gender suff. -icum, suffix used with the sense of pertaining to; New Latin neuter gender adjective cyclohexanicum, relating to w -cyclohexyl fatty acid, the characteristic cellular fatty acid of the organism.)
 * P. freudenreichii ( van Niel 1928, species. (Type species of the genus).; New Latin genitive case masculine gender noun freudenreichii, of Freudenreich; named after Edouard von Freudenreich, the Swiss bacteriologist who first isolated this species.)
 * P. freudenreichii ( subsp. freudenreichii van Niel 1928, subspecies.; New Latin genitive case masculine gender noun freudenreichii, of Freudenreich; named after Edouard von Freudenreich, the Swiss bacteriologist who first isolated this species.)
 * P. freudenreichii ( subsp. shermanii (van Niel 1928) Holdeman and Moore 1970, subspecies.; New Latin genitive case masculine gender noun shermanii, of Sherman; named after James M. Sherman, an American bacteriologist.)
 * P. granulosum ( (Pr&eacute;vot 1938) Moore and Holdeman 1970, species.; Latin noun granulum, a small grain; Latin neuter gender suff. -osum, suffix meaning full of; New Latin neuter gender adjective granulosum, full of granules.)
 * P. innocuum ( Pitcher and Collins 1992, ; Latin feminine gender adjective innocua, harmless.)
 * P. jensenii ( van Niel 1928, species.; New Latin genitive case masculine gender noun jensenii, of Jensen; named after Sigurd Orla-Jensen (1870–1949), the Danish bacteriologist who first isolated this organism.)
 * P. lymphophilum ( (Torrey 1916) Johnson and Cummins 1972, species.; Latin feminine gender noun lympha, water, clear water, and in biology lymph; New Latin neuter gender adjective philum (from Greek neuter gender adjective philon (φίλον)), friend, loving; New Latin neuter gender adjective lymphophilum, lymph-loving.)
 * P. microaerophilum ( Kouss&eacute;mon et al. 2001, ; Greek adjective mikros (μικρός), small, Greek noun aer, air; New Latin neuter gender adjective philum (from Greek neuter gender adjective philon (φίλον)), loving; New Latin neuter gender adjective microaerophilum, slightly air-loving.)
 * P. propionicum ( corrig. (Buchanan and Pine 1962) Charfreitag et al. 1988, ; New Latin noun acidum propionicum, propionic acid; Latin neuter gender suff. -icum, suffix used with the sense of pertaining to; New Latin neuter gender adjective propionicum, pertaining to propionic acid.)
 * P. thoenii ( van Niel 1928, species.; New Latin genitive case masculine gender noun thoenii, of Th&ouml;ni; named after J. Th&ouml;ni, the Swedish bacteriologist who first isolated this organism.)

Propionicicella
Propionicicella is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Propionicicella derives from: New Latin noun acidum propionicum, priopionic acid; Latin feminine gender noun cella, a store-room and in biology a cell; New Latin feminine gender noun Propionicicella, a propionic acid producing cell.

Species
The genus contains a single species, namely P. superfundia ( Bae et al. 2006, (Type species of the genus).; Latin prep. super, above/on top; Latin masculine gender noun fundus, land owned by someone; Latin adjectival ending -ius -ia -ium, indicating the meaning of &quot;belonging to&quot;; New Latin feminine gender adjective superfundia, referring to land designated as an Environmental Protection Agency Superfund Site.)

Propionicimonas
Propionicimonas is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Propionicimonas derives from: New Latin noun acidum propionicum, propionic acid; Latin feminine gender noun monas (μονάς / μονάδα), nominally meaning "a unit", but in effect meaning a bacterium; New Latin feminine gender noun Propionicimonas, propionic acid-producing monad.

Members of the genus Propionicimonas can be referred to as propionicimonad (viz. Trivialisation of names).

Species
The genus contains a single species, namely P. paludicola ( Akasaka et al. 2003, (Type species of the genus).; Latin noun palus -udis, swamp, marsh; Latin suff. -cola (from Latin noun incola), inhabitant, dweller; New Latin masculine gender noun paludicola, an inhabitant of swamps.)

Propioniferax
Propioniferax is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Propioniferax derives from: New Latin noun acidum propionicum, propionic acid; Latin adjective ferax fertile; New Latin feminine gender noun propioniferax, propionic acid-producing.

Species
The genus contains a single species, namely P. innocua ( (Pitcher and Collins 1992) Yokota et al. 1994, (Type species of the genus).; Latin feminine gender adjective innocua, harmless.)

Propionigenium
Propionigenium is a genus in the phylum Fusobacteria (Bacteria).

Etymology
The name Propionigenium derives from: New Latin noun acidum propionicum, propionic acid; Latin v. genere, to engender, produce; New Latin neuter gender noun Propionigenium, propionic acid maker.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * P. maris ( Janssen and Liesack 1996, ; Latin noun mare -is, the sea; Latin genitive case noun maris, of the sea, referring to the tidal mat flats from which this organism was isolated.)
 * P. modestum ( Schink and Pfennig 1983, (Type species of the genus).; Latin neuter gender adjective modestum, moderate, sober, referring to an extremely modest type of metabolism.)

Propionimicrobium
Propionimicrobium is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Propionimicrobium derives from: New Latin noun acidum propionicum, propionic acid; New Latin neuter gender noun microbium (from Greek adjective mikros (μικρός), small and Greek noun bios (βίος), life), a microbe; New Latin neuter gender noun Propionimicrobium, propionic acid-producing microbe.

Species
The genus contains a single species, namely P. lymphophilum ( (Torrey 1916) Stackebrandt et al. 2002, (Type species of the genus).; Latin feminine gender noun lympha, water, clear water, and in biology lymph; New Latin neuter gender adjective philum (from Greek neuter gender adjective philon (φίλον)), friend, loving; New Latin neuter gender adjective lymphophilum, lymph-loving.)

Propionispira
Propionispira is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Propionispira derives from: New Latin noun acidum propionicum, propionic acid; Latin feminine gender noun spira, a coil; New Latin feminine gender noun Propionispira, a propionic acid forming coil.

Species
The genus contains a single species, namely P. arboris ( Schink et al. 1983, (Type species of the genus).; Latin noun arbor, tree; Latin genitive case noun arboris, of a tree, referring to the occurrence of this bacterium in wetwood.)

Propionispora
Propionispora is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Propionispora derives from: New Latin noun acidum propionicum, propionic acid; Greek noun spora (σπορά), a seed, and in biology a spore; New Latin feminine gender noun Propionispora, a propionic-acid-forming, spore-forming organism.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * P. hippei ( Abou-Zeid et al. 2004, ; New Latin genitive case noun hippei, of Hippe, named after Dr. Hans-H Hippe, DSMZ, for his numerous contributions to the cultivation and taxonomy of anaerobes.)
 * P. vibrioides ( Biebl et al. 2001, (Type species of the genus).; Latin noun vibro, nominally meaning "that which vibrates", but in effect meaning a curved rod bacterium (a vibrio); Latin suff. -oides (from Greek suff. -eides, from Greek noun eidos, that which is seen, form, shape, figure), ressembling, similar; New Latin feminine gender adjective vibrioides, vibrio-shaped.)

Propionivibrio
Propionivibrio is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Propionivibrio derives from: New Latin noun acidum propionicum, propionic acid; Latin v. vibro, to set in tremulous motion, move to and fro, vibrate; New Latin masculine gender noun vibrio, that which vibrates, and also a bacterial genus name of bacteria possessing a curved rod shape (Vibrio); New Latin masculine gender noun Propionivibrio, the propionic acid vibrio.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * P. dicarboxylicus ( Tanaka et al. 1991, (Type species of the genus).; New Latin noun acidum dicarboxilicum, dicarboxylic acid; Latin masculine gender suff. -icus, suffix used with the sense of pertaining to; New Latin masculine gender adjective dicarboxylicus, pertaining to dicarboxylic acid.)
 * P. limicola ( Brune et al. 2002, ; Latin noun limus, mud; Latin suff. -cola (from Latin noun incola), inhabitant, dweller; New Latin noun limicola, mud-deweller.)
 * P. pelophilus ( (Meijer et al. 1999) Brune et al. 2002, ; Greek noun pēlos, mud, mire; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective pelophilus, mud-loving.)

Prosthecobacter
Prosthecobacter is a genus in the phylum Verrucomicrobia (Bacteria).

Etymology
The name Prosthecobacter derives from: Greek noun prosthece, appendage; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, a rod; New Latin masculine gender noun Prosthecobacter, appendage(d) rod.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * P. debontii ( Hedlund et al. 1998, ; New Latin masculine gender genitive case noun debontii, of de Bont, named in honor of J.A.M. de Bont, a Dutch microbiologist who isolated and described the first member of the genus, Prosthecobacter fusiformis (FC4).)
 * P. dejongeii ( Hedlund et al. 1998, ; New Latin masculine gender genitive case noun dejongeii, of de Jonge, named in honor of Klaaske de Jonge, a Dutch microbiologist who studied Prosthecobacter.)
 * P. fluviatilis ( Takeda et al. 2008, ; Latin masculine gender adjective fluviatilis, of or belonging to a river.)
 * P. fusiformis ( (ex Staley et al. 1976) Staley et al. 1980,, nom. rev. (Type species of the genus).; Latin noun fusus, spindle; Latin masculine gender adjective suffix -formis (from Latin noun forma, shape, form) -like, in the shape of; New Latin masculine gender adjective fusiformis, spindle-shaped.)
 * P. vanneervenii ( Hedlund et al. 1998, ; New Latin masculine gender genitive case noun vanneervenii, of van Neerven, named in honor of Alex van Neerven, a Dutch microbiologist who studied Prosthecobacter and other prosthecate bacteria.)

Prosthecochloris
Prosthecochloris is a genus in the phylum Chlorobi (Bacteria).

Etymology
The name Prosthecochloris derives from: Greek noun prosthece, appendage; Greek adjective chlōros, greenish-yellow, pale green; New Latin feminine gender noun Prosthecochloris, green (organism) with appendages.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * P. aestuarii ( Gorlenko 1970, species. (Type species of the genus).; Latin genitive case noun aestuarii, of an estuary.)
 * P. vibrioformis ( (Pelsh 1936) Imhoff 2003, ; Latin v. vibro, to set in tremulous motion, move to and fro, vibrate; New Latin masculine gender noun vibrio, that which vibrates, and also a bacterial genus name of bacteria possessing a curved rod shape (Vibrio); Latin adjective suffix - formis -is -e (from Latin noun forma, figure, shape, appearance), -like, in the shape of; New Latin feminine gender adjective vibrioformis, vibrio-shaped.)

Prosthecomicrobium
Prosthecomicrobium is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Prosthecomicrobium derives from: Greek feminine gender noun prosthēkē, appendage; New Latin neuter gender noun microbium, microbe; New Latin neuter gender noun Prosthecomicrobium, appendage (-bearing) microbe.

Species
The genus contains 6 species (including basonyms and synonyms), namely
 * P. consociatum ( Vasil&#39;eva et al. 2009, ; Latin participle neuter gender adjective consociatum, associated; intended to mean growth in a community with cellulose degrading bacteria.)
 * P. enhydrum ( Staley 1968, species.; New Latin neuter gender adjective enhydrum (from Greek neuter gender adjective enudron, living in or by water), living in water, aquatic.)
 * P. hirschii ( Staley 1984, ; New Latin genitive case masculine gender noun hirschii, of Hirsch; named in honor of P. Hirsch, an authority on budding bacteria.)
 * P. litoralum ( Bauld et al. 1983, ; New Latin neuter gender adjective litoralum (from Latin neuter gender adjective litorale), of or belonging to the sea-shore.)
 * P. mishustinii ( Vasil&#39;eva et al. 2009, ; New Latin masculine gender genitive case noun mishustinii, of Mishustin, a famous Russian soil microbiologist.)
 * P. pneumaticum ( Staley 1968, species. (Type species of the genus).; New Latin neuter gender adjective pneumaticum (from Greek neuter gender adjective pneumatikon, of the nature of wind or air), inflated, containing gas vacuoles.)

Proteiniborus
Proteiniborus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Proteiniborus derives from: New Latin noun proteinum, protein; Greek adjective boros, gluttonous; New Latin masculine gender noun Proteiniborus, protein-consumer.

Species
The genus contains a single species, namely P. ethanoligenes ( Niu et al. 2008, (Type species of the genus).; New Latin noun ethanol -is, ethanol; Greek v. gennao, to produce; New Latin participle adjective ethanoligenes, ethanol-producing.)

Proteiniclasticum
Proteiniclasticum is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Proteiniclasticum derives from: New Latin neuter gender noun proteinum, protein; N.L neut adjective clasticum (from Gr neut adj klaston, broken in pieces) breaking; New Latin neuter gender noun Proteiniclasticum, a bacterium able to digest proteins.

Species
The genus contains a single species, namely P. ruminis ( Zhang et al. 2010, (Type species of the genus).; Latin genitive case noun ruminis, of the rumen.)

Proteiniphilum
Proteiniphilum is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Proteiniphilum derives from: New Latin neuter gender noun proteinum, protein; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin neuter gender noun Proteiniphilum, protein loving.

Species
The genus contains a single species, namely P. acetatigenes ( Chen and Dong 2005, (Type species of the genus).; New Latin noun acetas -atis, acetate; New Latin suff. -genes (from Greek v. gennaō (γεννάω), to produce), producing; New Latin participle adjective acetatigenes, acetate-producing.)

Proteocatella
Proteocatella is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Proteocatella derives from: New Latin noun proteinum, protein; New Latin pref. proteo-, prefix referring to protein used in compound words; Latin feminine gender noun catella, small chain; New Latin feminine gender noun Proteocatella, a small chain using proteins.

Species
The genus contains a single species, namely P. sphenisci ( Pikuta et al. 2009, (Type species of the genus).; New Latin genitive case noun sphenisci, of Spheniscus, zoological name of a genus of penguin, referring to the isolation of the type strain from guano of Spheniscus magellanicus, the Magellanic penguin.)

Proteus
Proteus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Proteus derives from: Latin masculine gender noun Proteus, an ocean god able to change himself into different shapes.

Species
The genus contains 8 species (including basonyms and synonyms), namely
 * P. hauseri ( O&#39;Hara et al. 2000, ; New Latin genitive case noun hauseri, of Hauser, named to honour Gustav Hauser, the German microbiologist, who proposed the genus Proteus in 1885.)
 * P. inconstans ( (Ornstein 1920) Shaw and Clarke 1955, species.; Latin masculine gender adjective inconstans, changeable, inconstant, capricious.)
 * P. mirabilis ( Hauser 1885, species.; Latin masculine gender adjective mirabilis, wonderful, surprising.)
 * P. morganii ( (Winslow et al. 1919) Yale 1939, species.; New Latin genitive case noun morganii, of Morgan; named after H. de R. Morgan, a British bacteriologist who first studied the organism.)
 * P. myxofaciens ( Cosenza and Podgwaite 1966, species.; Greek noun muxa, mucus slime; Latin participle adjective faciens; New Latin participle adjective mycofaciens, slime-producing (bacteria).)
 * P. penneri ( Hickman et al. 1983, ; New Latin genitive case masculine gender noun penneri, of Penner, named to honor John Latin Penner, a Canadian microbiologist who has made many contributions to studies of the three genera in the tribe Proteeae.)
 * P. rettgeri ( (Hadley et al. 1918) Rustigian and Stuart 1943, species.; New Latin genitive case masculine gender noun rettgeri, of Rettger, named after LatinF. Rettger, the American bacteriologist who first isolated the organism in 1904.)
 * P. vulgaris ( Hauser 1885, species. (Type species of the genus).; Latin masculine gender adjective vulgaris, usual, common.)

Protomonas
Protomonas is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Protomonas derives from:

Members of the genus Protomonas can be referred to as protomonad (viz. Trivialisation of names).

Species
The genus contains a single species, namely P. extorquens ( (ex Bassalik 1913) Urakami and Komagata 1984, nom. rev., (Type species of the genus).; Latin participle adjective extorquens, twisting out.)

Providencia
Providencia is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Providencia derives from: New Latin feminine gender noun Providencia, named after the city of Providence, Rhode Island, U.S.A.

Species
The genus contains 9 species (including basonyms and synonyms), namely
 * P. alcalifaciens ( (de Salles Gomes 1944) Ewing 1962, species. (Type species of the genus).; New Latin noun alcali (from Arabic article al, the; Arabic noun qaliy, ashes of saltwort), alkali; Latin participle adjective faciens, making; New Latin participle adjective alcalifaciens, alkali-producing.)
 * P. burhodogranariea ( Juneja and Lazzaro 2009, ; Greek pref. bu-, big; Greek pref. rhodo-, red; Latin noun granaria, a barn; New Latin feminine gender adjective burhodogranariea, of the Big Red Barn, the name of the building where academic discussions of these bacteria were held.)
 * P. friedericiana ( M&uuml;ller 1983, ; New Latin feminine gender adjective friedericiana, derived from the German names Friederike and Friederich [most of the technical work of this study was done by Friederike Heimbach]).)
 * P. heimbachae ( M&uuml;ller et al. 1986, ; New Latin genitive case feminine gender noun heimbachae, of Heimbach, named to honor Friederike Heimbach who isolated the 12 original strains of the species.)
 * P. rettgeri ( (Hadley 1918) Brenner et al. 1978, species.; New Latin genitive case masculine gender noun rettgeri, of Rettger, named after LatinF. Rettger, the American bacteriologist who first isolated the organism in 1904.)
 * P. rustigianii ( Hickman-Brenner et al. 1983, ; New Latin genitive case masculine gender noun rustigianii of Rustigian, named in honor of Robert Rustigian who did early studies on the Proteus group.)
 * P. sneebia ( Juneja and Lazzaro 2009, ; New Latin feminine gender adjective sneebia, of University SNEEB, a series of informal academic gatherings at Cornell University where properties of these bacteria were extensively discussed.)
 * P. stuartii ( (Buttiaux et al. 1954) Ewing 1962, species.; New Latin genitive case noun stuartii, of Stuart, named after C.A. Stuart, American bacteriologist who did much of the early work on Providencia.)
 * P. vermicola ( Somvanshi et al. 2006, ; Latin noun vermis, worm; Latin suff. -cola from Latin noun incola, inhabitant, dweller; New Latin noun vermicola, inhabitant of worms (Steinernema thermophilum).)

Pseudacidovorax
Pseudacidovorax is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pseudacidovorax derives from: Greek adjective  pseudēs, false; New Latin masculine gender noun acidovorax, a bacterial genus name (Acidovorax); New Latin masculine gender noun Pseudacidovorax, the false Acidovorax.

Species
The genus contains a single species, namely P. intermedius ( K&auml;mpfer et al. 2008, (Type species of the genus).; Latin masculine gender adjective intermedius, intermediate, because of the intermediate phylogenetic position of the species.)

Pseudaminobacter
Pseudaminobacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pseudaminobacter derives from: Greek adjective pseudēs, false; New Latin masculine gender noun Aminobacter, generic name of a bacterium; New Latin masculine gender noun Pseudaminobacter, false Aminobacter.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * P. defluvii ( K&auml;mpfer et al. 1999, ; Latin genitive case noun defluvii, of sewage, of wastewater, because the organism was isolated from activated sludge.)
 * P. salicylatoxidans ( K&auml;mpfer et al. 1999, (Type species of the genus).; New Latin noun salicylas -atis, salicylate; New Latin v. oxido (from Greek adjective oxus, sour, acid), to oxidize; New Latin participle adjective salicylatoxidans, oxidizing salicylate, because the organism oxidizes salicylate in an unusual manner.)

Pseudidiomarina
Pseudidiomarina is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pseudidiomarina derives from: Greek adjective  pseudēs, false; New Latin feminine gender noun Idiomarina, a name of a bacterial genus; New Latin feminine gender noun Pseudidiomarina, false Idiomarina.

Species
The genus contains 9 species (including basonyms and synonyms), namely
 * P. aestuarii ( Park et al. 2010, ; Latin genitive case noun aestuarii, of a tract overflowed at high tide, a salt marsh, a bay, referring to the isolation of the type strain from shallow coastal seawater.)
 * P. donghaiensis ( Wu et al. 2009, ; New Latin feminine gender adjective donghaiensis, pertaining to Donghai, the Chinese name for the East China Sea.)
 * P. homiensis ( (Kwon et al. 2006) Jean et al. 2009, ; New Latin feminine gender adjective homiensis, referring to the Homi Cape in Korea, where the type strain was isolated.)
 * P. marina ( Jean et al. 2009, ; Latin feminine gender adjective marina, of the sea, marine.)
 * P. maritima ( Wu et al. 2009, ; Latin feminine gender adjective maritima, of the sea, marine, inhabiting marine environments.)
 * P. salinarum ( (Yoon et al. 2007) Jean et al. 2009, ; Latin genitive case pl. noun salinarum, of salt-works.)
 * P. sediminum ( Hu and Li 2007, ; Latin genitive case pl. noun sediminum, of sediments, pertaining to source of isolation of the type strain.)
 * P. tainanensis ( Jean et al. 2009, ; New Latin feminine gender adjective tainanensis, pertaining to Tainan, Taiwan, where the type strain was isolated.)
 * P. taiwanensis ( Jean et al. 2006, (Type species of the genus).; New Latin feminine gender adjective taiwanensis, pertaining to Taiwan, where the type strain was isolated.)

Pseudoalteromonas
Pseudoalteromonas is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pseudoalteromonas derives from: Greek adjective pseudēs, false; New Latin feminine gender noun Alteromonas, the genus Alteromonas; New Latin feminine gender noun Pseudoalteromonas, false Alteromonas.

Members of the genus Pseudoalteromonas can be referred to as pseudoalteromonad (viz. Trivialisation of names).

Species
The genus contains 38 species (including basonyms and synonyms), namely
 * P. agarivorans ( Romanenko et al. 2003, ; New Latin noun agarum, agar-agar, algal polysaccharide; Latin v. vorare, to devour, to digest; New Latin participle adjective agarivorans, agar-devouring.)
 * P. aliena ( Ivanova et al. 2004, ; Latin feminine gender adjective aliena, foreign to a thing, another&#39;s, belonging to another species.)
 * P. antarctica ( Bozal et al. 1997, ; Latin feminine gender adjective antarctica, southern (in this instance pertaining to the Antarctic environment, where the organism was isolated).)
 * P. arctica ( Al Khudary et al. 2008, ; Latin feminine gender adjective arctica, from the Arctic, referring to the site where the type strain was isolated.)
 * P. atlantica ( (Akagawa-Matsushita et al. 1992) Gauthier et al. 1995, ; Latin feminine gender adjective atlantica, pertaining to the Atlantic Ocean.)
 * P. aurantia ( (Gauthier and Breittmayer 1979) Gauthier et al. 1995, ; New Latin feminine gender adjective aurantia, orange-colored.)
 * P. bacteriolytica ( Sawabe et al. 1998, ; Latin noun bacterium, rod or staff and in biology a bacterium (so called because the first ones observed were rod-shaped); New Latin feminine gender adjective lytica (from Greek feminine gender adjective lutikē), able to loose, able to dissolve; New Latin feminine gender adjective bacteriolytica, bacteria-dissolving.)
 * P. byunsanensis ( Park et al. 2005, ; New Latin feminine gender adjective byunsanensis, pertaining to Byunsan, South Korea, the geographical origin of the type strain.)
 * P. carrageenovora ( (Akagawa-Matsushita et al. 1992) Gauthier et al. 1995, ; New Latin noun carrageenum, carrageen, another name for carrageenan; Latin v. vorare, to devour; New Latin feminine gender adjective carrageenovora, carrageenan decomposing.)
 * P. citrea ( (Gauthier 1977) Gauthier et al. 1995, ; Latin feminine gender adjective citrea, of or pertaining to the citrus-tree, intended to mean lemon-yellow.)
 * P. denitrificans ( (Enger et al. 1987) Gauthier et al. 1995, ; New Latin participle adjective denitrificans, denitrifying.)
 * P. distincta ( (Romanenko et al. 1995) Ivanova et al. 2000, ; Latin feminine gender adjective distincta, separate, distinct.)
 * P. donghaensis ( Oh et al. 2011, ; New Latin feminine gender adjective donghaensis, of or belonging to Donghae, the Korean name for the East Sea, from which the type strain was isolated.)
 * P. elyakovii ( (Ivanova et al. 1997) Sawabe et al. 2000, ; New Latin genitive case masculine gender noun elyakovii, of Ekyakov, named after G.B. Elyakov for his work in microbial biotechnology.)
 * P. espejiana ( (Chan et al. 1978) Gauthier et al. 1995, ; New Latin feminine gender adjective espejiana, named after Espejo, a Chilean microbiologist who isolated one of the first lipid-containing bacteriophages.)
 * P. flavipulchra ( Ivanova et al. 2002, ; Latin adjective flavus, golden-yellow; Latin adjective pulcher -chra chrum, beautiful; New Latin feminine gender adjective flavipulchra, beautifully golden-coloured.)
 * P. haloplanktis ( (ZoBell and Upham 1944) Gauthier et al. 1995, (Type species of the genus).; Greek noun hals, halos (ἅλς, ἁλός), sea; Greek adjective planktos -ē -on, wandering, roaming; New Latin feminine gender adjective haloplanktis, sea-wandering.)
 * P. haloplanktis ( subsp. haloplanktis (ZoBell and Upham 1944) Gauthier et al. 1995, ; Greek noun hals, halos (ἅλς, ἁλός), sea; Greek adjective planktos -ē -on, wandering, roaming; New Latin feminine gender adjective haloplanktis, sea-wandering.)
 * P. haloplanktis ( subsp. tetraodonis (Simidu et al. 1990) Gauthier et al. 1995, ; New Latin genitive case noun tetraodonis, of Tetraodon, a genus of plectognathic fishes (Tetraodontidae).)
 * P. issachenkonii ( Ivanova et al. 2002, ; New Latin genitive case noun issachenkonii, of Issachenko, named in honour of Boris Issachenko, the Russian pioneer of marine microbiology.)
 * P. lipolytica ( Xu et al. 2010, ; Greek noun lipos, fat; New Latin feminine gender adjective lytica (from Greek feminine gender adjective lutikē), able to dissolve; New Latin feminine gender adjective lipolytica, fat-dissolving, referring to the property of being able to hydrolyse lipids.)
 * P. luteoviolacea ( (Gauthier 1982) Gauthier et al. 1995, ; Latin adjective luteus, yellow; Latin adjective violaceus -a -um, violet-colored, violet; New Latin feminine gender adjective luteoviolacea, yellow-violet.)
 * P. maricaloris ( Ivanova et al. 2002, ; Latin noun mare, the sea; Latin noun calor -oris, warmth, heat; New Latin genitive case noun maricaloris, of/from the warm sea.)
 * P. marina ( Nam et al. 2007, ;: Latin feminine gender adjective marina, of the sea, marine.)
 * P. mariniglutinosa ( (ex Berland et al. 1969) Romanenko et al. 2003, nom. rev.,, corrig.; Latin adjective marinus, of the sea; Latin adjective glutinosus, glutinous, slimy; New Latin feminine gender adjective mariniglutinosa, from the sea, forming glutinous, slimy colonies.)
 * P. nigrifaciens ( (Baumann et al. 1984) Gauthier et al. 1995, ; Latin adjective niger -gra -grum, black; Latin v. facio, to make; New Latin participle adjective nigrifaciens, making black, blackening.)
 * P. paragorgicola ( Ivanova et al. 2002, ; New Latin feminine gender noun Paragorgia, a genus of gorgonian; Latin suffix -cola (from Latin noun incola), inhabitant, dweller; New Latin noun paragorgicola, inhabitant of Paragorgia, referring to the isolation of the type strain from Paragorgia arborea.)
 * P. peptidolytica ( Venkateswaran and Dohmoto 2000, ; New Latin pref. pepto- (from Greek v. peptein, to digest), a class of organic compounds of low molecular weight that yield two or more amino acids on hydrolysis, peptide; New Latin feminine gender adjective lytica (from Greek feminine gender adjective lutikē), able to loose, able to dissolve; New Latin feminine gender adjective peptidolytica, peptide dissolving.)
 * P. phenolica ( Isnansetyo and Kamei 2003, ; New Latin noun phenol, phenol; New Latin feminine gender adjective phenolica, related to phenol.)
 * P. piscicida ( (ex Bein 1954) Gauthier et al. 1995, nom. rev., ; Latin noun piscis, fish; Latin suff. -cida (from Latin v. caedo, to cut or kill), murderer, killer; New Latin noun piscicida, fish killer.)
 * P. prydzensis ( Bowman 1998, ; New Latin feminine gender adjective prydzensis, pertaining to Prydz Bay, Antarctica, the site of isolation.)
 * P. rubra ( (Gauthier 1976) Gauthier et al. 1995, ; Latin feminine gender adjective rubra, red.)
 * P. ruthenica ( Ivanova et al. 2002, ; The etymology provided by Ivanova et al. 2002 is the following: &quot;Medieval Latin feminine gender adjective ruthenica of Russia&quot;. It is perhaps possible to suggest the following etymology: New Latin feminine gender adjective ruthenica, pertaining to Ruthenia (now part of Ukraine), intended to mean pertaining to Russia.)
 * P. sagamiensis ( Kobayashi et al. 2003, ; New Latin feminine gender adjective sagamiensis, referring to Sagami Bay, the place of isolation.)
 * P. spongiae ( Lau et al. 2005, ; Latin genitive case noun spongiae, of a sponge.)
 * P. tetraodonis ( (Simidu et al. 1990) Ivanova et al. 2001, ; New Latin genitive case noun tetraodonis, of Tetraodon, a genus of plectognathic fishes (Tetraodontidae).)
 * P. translucida ( Ivanova et al. 2002, ; Latin feminine gender adjective translucida, transparent, translucid.)
 * P. tunicata ( Holmstr&ouml;m et al. 1998, ; Latin feminine gender adjective tunicata, clothed with a tunic.)
 * P. ulvae ( Egan et al. 2001, ; New Latin genitive case noun ulvae, of Ulva, the generic name of the host alga, Ulva lactuca (the source of isolation).)
 * P. undina ( (Chan et al. 1978) Gauthier et al. 1995, ; Latin feminine gender noun undina, undine, water nymph.)

Pseudoamycolata
Pseudoamycolata is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Pseudoamycolata derives from: Greek adjective  pseudēs, false; New Latin feminine gender noun Amycolata, a bacterial genus name; New Latin feminine gender noun Pseudoamycolata, false Amycolata.

Species
The genus contains a single species, namely P. halophobica ( Akimov et al. 1989, (Type species of the genus).; Greek noun hals, halos (ἅλς, ἁλός), salt, the sea; Greek noun phobos, fear, dread; Latin feminine gender suff. -ica, suffix used with the sense of pertaining to; New Latin feminine gender adjective halophobica, salt-fearing, referring to the inability to grow in the presence of 3% NaCl.)

Pseudobutyrivibrio
Pseudobutyrivibrio is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Pseudobutyrivibrio derives from: Greek adjective  pseudēs, false; New Latin masculine gender noun Butyrivibrio, a bacterial genus name; New Latin masculine gender noun Pseudobutyrivibrio, not a true Butyribvibrio.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * P. ruminis ( van Gylswyk et al. 1996, (Type species of the genus).; Latin neuter gender genitive case noun ruminis, of the rumen.)
 * P. xylanivorans ( Kopecn&yacute; et al. 2003, ; New Latin noun xylanum, xylan; Latin participle adjective vorans, devouring, digesting; New Latin participle adjective xylanivorans, xylan-digesting.)

Pseudocaedibacter
Pseudocaedibacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pseudocaedibacter derives from: Greek adjective pseudēs, false; New Latin masculine gender noun Caedibacter, genus of endosymbionts that include organisms commonly known as kappa; New Latin masculine gender noun Pseudocaedibacter, false Caedibacter, false kappa particles.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * P. conjugatus ( (ex Preer et al. 1974) Quackenbush 1982, nom. rev., (Type species of the genus).; Latin masculine gender participle adjective conjugatus, joined together, united, conjugated.)
 * P. falsus ( (ex Preer et al. 1974) Quackenbush 1982, nom. rev., ; Latin masculine gender adjective falsus, deceptive, false.)
 * P. minutus ( (ex Preer et al. 1974) Quackenbush 1982, nom. rev., ; Latin masculine gender adjective minutus, small.)

Pseudochrobactrum
Pseudochrobactrum is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pseudochrobactrum derives from: Greek adjective  pseudēs, false; New Latin neuter gender noun Ochrobactrum, a bacterial genus name; New Latin neuter gender noun Pseudochrobactrum, false Ochrobactrum.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * P. asaccharolyticum ( K&auml;mpfer et al. 2006, (Type species of the genus).; Greek pref. a, not; Greek noun saccharon, sugar; New Latin adjective lyticus -a -um (from Greek adjective lutikos (λυτικός) -ē -on), able to loose, able to dissolve; New Latin neuter gender adjective asaccharolyticum, not digesting sugar.)
 * P. glaciei ( Romanenko et al. 2008, ; Latin genitive case noun glaciei, of ice.)
 * P. kiredjianiae ( K&auml;mpfer et al. 2007, ;: New Latin feminine gender genitive case noun kiredjianiae, of Kiredjian, named after Martine Kiredjian, a contemporary French microbiologist, for her numerous contributions to the taxonomy of Ochrobactrum and related organisms.)
 * P. lubricantis ( K&auml;mpfer et al. 2009, ; Latin v. lubricare, to lubricate; New Latin noun lubricans -antis (from Latin participle adjective lubricans), a lubricant; New Latin genitive case noun lubricantis, of/from a (coolant) lubricant.)
 * P. saccharolyticum ( K&auml;mpfer et al. 2006, ; Greek noun saccharon, sugar; New Latin adjective lyticus -a -um (from Greek adjective lutikos (λυτικός) -ē -on), able to loose, able to dissolve; New Latin neuter gender adjective saccharolyticum, digesting sugar.)

Pseudoclavibacter
Pseudoclavibacter is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Pseudoclavibacter derives from: Greek adjective  pseudēs, false; New Latin masculine gender noun Clavibacter, a bacterial generic name; New Latin masculine gender noun Pseudoclavibacter, false Clavibacter.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * P. chungangensis ( Cho et al. 2010, ; New Latin masculine gender adjective chungangensis, of or belonging to Chung-Ang University, where the taxonomic studies on the type strain were performed.)
 * P. helvolus ( Manaia et al. 2004, (Type species of the genus).; Latin masculine gender adjective helvolus, pale yellow, yellowish.)
 * P. soli ( Kim and Jung 2009, ; Latin genitive case noun soli, of soil, the source of the organism.)

Pseudoflavonifractor
Pseudoflavonifractor is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Pseudoflavonifractor derives from: Greek adjective pseudēs, false; New Latin masculine gender noun Flavonifractor, a bacterial genus name; New Latin masculine gender noun Pseudoflavonifractor, a false Flavonifractor.

Species
The genus contains a single species, namely P. capillosus ( (Tissier 1908) Carlier et al. 2010, (Type species of the genus).; Latin masculine gender adjective capillosus, full of hair, very hairy.)

Pseudofulvimonas
Pseudofulvimonas is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pseudofulvimonas derives from: Greek adjective pseudēs, false; New Latin feminine gender noun Fulvimonas, generic name of a bacterium; New Latin feminine gender noun Pseudofulvimonas, a false Fulvimonas.

Members of the genus Pseudofulvimonas can be referred to as pseudofulvimonad (viz. Trivialisation of names).

Species
The genus contains a single species, namely P. gallinarii ( K&auml;mpfer et al. 2010, (Type species of the genus).; Latin genitive case noun gallinarium, a hen house; Latin genitive case noun gallinarii, of a hen house.)

Pseudogulbenkiania
Pseudogulbenkiania is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pseudogulbenkiania derives from: Greek adjective  pseudēs, false; New Latin feminine gender noun Gulbenkiania, a bacterial generic name; New Latin feminine gender noun Pseudogulbenkiania, false Gulbenkiania.

Species
The genus contains a single species, namely P. subflava ( Lin et al. 2008, (Type species of the genus).; Latin feminine gender adjective subflava, yellowish.)

Pseudolabrys
Pseudolabrys is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pseudolabrys derives from: Greek adjective  pseudēs, false; New Latin masculine gender noun Labrys, a bacterial genus name; New Latin masculine gender noun Pseudolabrys, the false Labrys.

Species
The genus contains a single species, namely P. taiwanensis ( K&auml;mpfer et al. 2006, (Type species of the genus).; New Latin masculine gender adjective taiwanensis, of Taiwan, where the type strain was isolated.)

Pseudomonas
Pseudomonas is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pseudomonas derives from: Greek adjective  pseudēs, false; Greek feminine gender noun monas (μονάς / μονάδα), nominally meaning "a unit", but in effect meaning a bacterium; New Latin feminine gender noun Pseudomonas, false monad.

Members of the genus Pseudomonas can be referred to as pseudomonad (viz. Trivialisation of names).

Species
The genus contains 191 species (including basonyms and synonyms), namely
 * P. abietaniphila ( Mohn et al. 1999, ; New Latin neuter gender noun abietanum, abietane; New Latin feminine gender adjective phila (from Greek feminine gender adjective philē (φίλη)), friend, loving; New Latin feminine gender adjective abietaniphila, abietane-loving.)
 * P. acidovorans ( den Dooren de Jong 1926, species.; New Latin neuter gender noun acidum (from Latin adjective acidus -a -um, sour), an acid; Latin v. voro, to eat, to devour; N..Latin participle adjective acidovorans, acid devouring.)
 * P. aeruginosa ( (Schroeter 1872) Migula 1900, species. (Type species of the genus).; Latin feminine gender adjective aeruginosa, full of copper rust, verdigris, hence green.)
 * P. agarici ( Young 1970, species.; New Latin noun Agaricus, a genus of fungi; New Latin genitive case noun agarici, of Agaricus.)
 * P. alcaligenes ( Monias 1928, species.; New Latin noun alcali (from Arabic article al, the; Arabic noun qaliy, ashes of saltwort), alkali; New Latin suff. -genes (from Greek v. gennaō (γεννάω), to produce), producing; New Latin adjective alcaligenes, alkali-producing.)
 * P. alcaliphila ( Yumoto et al. 2001, ; New Latin noun alcali (from Arabic article al, the; Arabic noun qaliy, ashes of saltwort), alcali; New Latin feminine gender adjective phila (from Greek feminine gender adjective philē (φίλη)), friend, loving; New Latin feminine gender adjective alcaliphila, liking alkaline environments.)
 * P. aminovorans ( den Dooren de Jong 1926, species.; New Latin noun aminum, amine; Latin v. voro, to eat, to devour; New Latin participle adjective aminovorans, amine-devouring, digesting.)
 * P. amygdali ( Psallidas and Panagopoulos 1975, species.; Latin genitive case noun amygdali, of the almond.)
 * P. andropogonis ( (Smith 1911) Stapp 1928, species.; New Latin noun Andropogon (from Greek noun aner andros, man; Greek pogon pogonis, beard), a botanical generic name of widely distributed grasses; New Latin genitive case noun andropogonis, of Andropogon.)
 * P. anguilliseptica ( Wakabayashi and Egusa 1972, species.; Latin noun anguilla, eel; Latin feminine gender adjective septica, producing a putrefaction, putrefying, septic; New Latin feminine gender adjective anguilliseptica, pertaining to diseased eels.)
 * P. antarctica ( Reddy et al. 2004, ; Latin feminine gender adjective antarctica, southern, Antarctic.)
 * P. antimicrobica ( Attafuah and Bradbury 1990, ; Greek pref. anti, over against; New Latin neuter gender noun microbium (from Greek adjective mikros (μικρός), small and Greek noun bios (βίος), life), a microbe; Latin feminine gender suff. -ica, suffix used with the sense of pertaining to; New Latin feminine gender adjective antimicrobica, against microbes (referring to a wide antimicrobial activity).)
 * P. argentinensis ( Peix et al. 2005, ; New Latin feminine gender adjective argentinensis, pertaining to the Argentine, of the Argentine.)
 * P. arsenicoxydans ( Campos et al. 2011, ; Latin noun arsenicum, arsenic; New Latin participle adjective oxydans, oxidizing; New Latin participle adjective arsenicoxydans, arsenic-oxidizing.)
 * P. asplenii ( (Ark and Tompkins 1946) Savulescu 1947, species.;: New Latin noun Asplenium, genus of ferns, spleenworts; New Latin genitive case noun asplenii, of Asplenium.)
 * P. aurantiaca ( Nakhimovskaya 1948, species.; New Latin feminine gender adjective aurantiaca, orange colored.)
 * P. aureofaciens ( Kluyver 1956, species.; Latin adjective aureus, golden; Latin participle adjective faciens, making; New Latin participle adjective aureofaciens, making golden.)
 * P. avellanae ( Janse et al. 1997, ; New Latin genitive case avellanae, of avellana, the species name of the host, Corylus avellana (hazlnut).)
 * P. avenae ( Manns 1909, species.; New Latin noun Avena, genus of plants; New Latin genitive case noun avenae, of Avena.)
 * P. avenae ( subsp. avenae Manns 1909, ; New Latin noun Avena, genus of plants; New Latin genitive case noun avenae, of Avena.)
 * P. avenae ( subsp. citrulli (Schaad et al. 1978) Hu et al. 1991, ; New Latin noun Citrullus, a genus of melon plants; New Latin genitive case noun citrulli, of Citrullus.)
 * P. avenae ( subsp. konjaci (Goto 1983) Hu et al. 1991, ; New Latin genitive case noun konjaci, of the konjac plant, Amorphophallus rivieri cv. Konjac.)
 * P. azotifigens ( Hatayama et al. 2005, ; New Latin noun azotum (from Fr. noun azote), nitrogen; Latin participle adjective figens, fixing; New Latin participle adjective azotifigens, nitrogen fixing.)
 * P. azotoformans ( Iizuka and Komagata 1963, species.; New Latin noun azotum (from Fr. noun azote), nitrogen; Latin v. formo, to fashion, to form; New Latin participle adjective azotoformans, nitrogen forming (by denitrification).)
 * P. balearica ( Bennasar et al. 1996, ; Latin feminine gender adjective balearica, of the Balearic Islands, where the organism was isolated.)
 * P. beijerinckii ( Hof 1935, species.; New Latin genitive case masculine gender noun beijerinckii, of Beijerinck, named after M.W. Beijerinck.)
 * P. beteli ( corrig. (Ragunathan 1928) Savulescu 1947, species.; New Latin noun betelum (from Malayan noun betle), betel; New Latin genitive case noun beteli, of betel.)
 * P. borbori ( Vanparys et al. 2006, ; Greek noun borboros, sludge; New Latin genitive case noun borbori, of sludge.)
 * P. boreopolis ( Gray and Thornton 1928, species.; Greek noun boreas, the north; Greek noun polis, a city; New Latin genitive case noun boreopolis, of North City.)
 * P. brassicacearum ( Achouak et al. 2000, ; New Latin feminine gender pl. genitive case noun brassicacearum, of the Brassicaceae, referring to its isolation from the rhizoplane of plants belonging to the Brassicaceae.)
 * P. brassicacearum ( subsp. brassicacearum Achouak et al. 2000, ; New Latin feminine gender pl. genitive case noun brassicacearum, of the Brassicaceae, referring to its isolation from the rhizoplane of plants belonging to the Brassicaceae.)
 * P. brassicacearum ( subsp. neoaurantiaca Ivanova et al. 2009, ; Greek adjective neos, new; New Latin feminine gender adjective aurantiaca, orange-coloured and also a bacterial specific epithet; New Latin feminine gender adjective neoaurantiaca, new aurantiaca, referring to the phenotypic similarity to Pseudomonas aurantiaca.)
 * P. brenneri ( Ba&iuml;da et al. 2002, ; New Latin masculine gender genitive case noun brenneri, of Brenner, in honor of D.J. Brenner, an American microbiologist, for his contributions to the taxonomy of the families Enterobacteriaceae and Legionellaceae.)
 * P. caeni ( Xiao et al. 2009, ; Latin genitive case neuter gender noun caeni, of sludge.)
 * P. cannabina ( (ex &Scaron;uti&#269; and Dowson 1959) Gardan et al. 1999,, nom. rev.; Latin feminine gender adjective cannabina, of hemp, of Cannabis, the generic name of the host plant, Cannabis sativa Latin)
 * P. carboxydohydrogena ( (ex Sanjieva and Zavarzin 1971) Meyer et al. 1980, nom. rev., ; not given in the paper by Meyer et al. 1980.)
 * P. caricapapayae ( Robbs 1956, species.; New Latin genitive case noun caricapapayae, of Carica papaya, pawpaw.)
 * P. caryophylli ( (Burkholder 1942) Starr and Burkholder 1942, species.; New Latin masculine gender noun caryophyllus, specific epithet of Dianthus caryophyllus, carnation; New Latin genitive case noun caryophylli, of the carnation.)
 * P. cattleyae ( (Pavarino 1911) Savulescu 1947, species.; New Latin noun Cattleya, a genus of orchids; New Latin genitive case noun cattleyae, of Cattleya.)
 * P. cedrina ( corrig. Dabboussi et al. 2002, ; Latin feminine gender adjective cedrina, of the cedar tree, the characteristic tree of Lebanon, the country from which isolates were taken.)
 * P. cedrina ( subsp. cedrina Dabboussi et al. 2002, ; Latin feminine gender adjective cedrina, of the cedar tree, the characteristic tree of Lebanon, the country from which isolates were taken.)
 * P. cedrina ( subsp. fulgida Behrendt et al. 2009, ; Latin feminine gender adjective fulgida, flashing, glittering, shining, pertaining to the bright fluorescence.)
 * P. cepacia ( (ex Burkholder 1950) Palleroni and Holmes 1981,, nom. rev.; Latin feminine gender noun caepa or cepa, onion; New Latin feminine gender adjective cepacia, of or like an onion.)
 * P. chloritidismutans ( Wolterink et al. 2002, ; New Latin noun chloris, chlorite; New Latin participle adjective dismutans, splitting; New Latin participle adjective chloritidismutans, chlorite-splitting.)
 * P. chlororaphis ( (Guignard and Sauvageau 1894) Bergey et al. 1930, species.; Greek adjective chloros, green; Greek noun raphis, a needle; New Latin noun chlororaphis, a green needle.)
 * P. chlororaphis ( subsp. aurantiaca (Nakhimovskaya 1948) Peix et al. 2007, ; New Latin feminine gender adjective aurantiaca, orange coloured.)
 * P. chlororaphis ( subsp. aureofaciens (Kluyver 1956) Peix et al. 2007, ; Latin adjective aureus, golden; Latin participle adjective faciens, making; New Latin participle adjective aureofaciens, making golden.)
 * P. chlororaphis ( subsp. chlororaphis (Guignard and Sauvageau 1894) Bergey et al. 1930, ; Greek adjective chloros, green; Greek noun raphis, a needle; New Latin noun chlororaphis, a green needle.)
 * P. chlororaphis ( subsp. piscium Burr et al. 2010, ; Latin noun piscis, fish; Latin genitive case pl. noun piscium, of/from fishes.)
 * P. cichorii ( (Swingle 1925) Stapp 1928, species.; Latin noun cichorium, chicory, succory, or endive; Latin genitive case noun cichorii, of chicory.)
 * P. cissicola ( (Takimoto 1939) Burkholder 1948, species.; New Latin noun Cissus, generic name of flowering plant; Latin suff. -cola (from Latin noun incola), dweller; New Latin noun cissicola, Cissus dweller.)
 * P. citronellolis ( Seubert 1960, species.; New Latin genitive case noun citronellolis, of citronellol.)
 * P. cocovenenans ( van Damme et al. 1960, species.;: New Latin noun Cocos, genus of coconut; Latin v. veneno, to poison; New Latin participle adjective cocovenenans, coconut poisoning.)
 * P. congelans ( Behrendt et al. 2003, ; Latin participle adjective congelans, freezing/forming ice.)
 * P. corrugata ( Roberts and Scarlett 1981, ;: Latin v. corrugare, to make full of wrinkles, to wrinkle up; Latin feminine gender participle adjective corrugata, wrinkled up.)
 * P. costantinii ( Munsch et al. 2002, ;: New Latin genitive case masculine gender noun costantinii, of Costantin, referring to Julien Costantin, a French mycologist who, in a note dated March 1892 to the &quot;Soci&eacute;t&eacute; de Biologie&quot;, described some superficial brown blotch areas on sporophores.)
 * P. cremoricolorata ( Uchino et al. 2002, ;: Latin noun cremor, the thick juice obtained from animal or vegetable substances; Latin adjective coloratus -a -um, colored; New Latin feminine gender adjective cremoricolorata, intended to mean cream-colored.)
 * P. cuatrocienegasensis ( Escalante et al. 2009, ; New Latin feminine gender adjective cuatrocienegasensis, pertaining to the Cuatro Ci&eacute;negas valley, the location of the evaporative lagoon from which the organism was isolated.)
 * P. delafieldii ( Davis 1970, species.;: New Latin genitive case masculine gender noun delafieldii, of Delafield, named after F.P. Delafield, who first isolated this organism.)
 * P. delhiensis ( Prakash et al. 2007, ;: New Latin feminine gender adjective delhiensis, pertaining to Delhi, the place of isolation of the type strain.)
 * P. diminuta ( Leifson and Hugh 1954, species.;: Latin adjective minutus, small; New Latin feminine gender adjective diminuta, defective, minute.)
 * P. doudoroffii ( Baumann et al. 1972, species.;: New Latin genitive case masculine gender noun doudoroffii, of Doudoroff; named after M. Doudoroff.)
 * P. duriflava ( Liu et al. 2008, ; Latin adjective durus, hard; Latin adjective flavus, yellow; New Latin feminine gender adjective duriflava, hard yellow.)
 * P. echinoides ( Heumann 1962, species.; Greek noun echinos, hedgehog, sea-urchin; Latin suff. -oides (from Greek suff. -eides, from Greek noun eidos, that which is seen, form, shape, figure), ressembling, similar; New Latin feminine gender adjective echinoides, prickly, like a hedgehog or a sea-urchin; intended to mean spiny shaped.)
 * P. elongata ( Humm 1946, species.;: Latin feminine gender participle adjective elongata, elongated, stretched out.)
 * P. extremaustralis ( L&oacute;pez et al. 2010, ; Latin adjective extremus, outermost, utmost, extreme; Latin adjective australis, southern; New Latin feminine gender adjective extremaustralis, from the extreme South, the region of isolation (Far Southern Antarctica).)
 * P. extremorientalis ( Ivanova et al. 2002, ;: Latin adjective extremus, outermost, utmost, extreme; Latin adjective orientalis, of or belonging to the East, Eastern; New Latin feminine gender adjective extremorientalis, of or belonging to the Far East of Russia, the region of isolation.)
 * P. facilis ( (Schatz and Bovell 1952) Davis 1969, species.;: Latin feminine gender adjective facilis, easy, without difficulty.)
 * P. ficuserectae ( Goto 1983, ;: Latin genitive case noun ficuserectae, of Ficus erecta, the name of the host species.)
 * P. flava ( (Niklewski 1910) Davis 1969, species.;: Latin feminine gender adjective flava, yellow.)
 * P. flavescens ( Hildebrand et al. 1994, ;: Latin participle adjective flavescens, becoming golden yellow.)
 * P. flectens ( Johnson 1956, species.;: Latin v. flectere, to bend, to curve; Latin participle adjective flectens, bending.)
 * P. fluorescens ( Migula 1895, species.;: New Latin participle adjective fluorescens, fluorescing.)
 * P. fragi ( (Eichholz 1902) Gruber 1905, species.;: Latin genitive case noun fragi, of a strawberry-plant.)
 * P. frederiksbergensis ( Andersen et al. 2000, ;: New Latin feminine gender adjective frederiksbergensis, of or belonging to to Frederiksberg near Copenhagen, Denmark, from where the organism was isolated.)
 * P. fulva ( Iizuka and Komagata 1963, species.;: Latin feminine gender adjective fulva, tawny, deep yellow, yellowish brown.)
 * P. fuscovaginae ( (ex Tanii et al. 1976) Miyajima et al. 1983,, nom. rev.;: Latin adjective fuscus, tawny, fuscous; Latin noun vagina, vagina, sheath; New Latin genitive case noun fuscovaginae, of a fuscous vagina.)
 * P. gelidicola ( Kadota 1951, species.;: Latin adjective gelidus, ice-cold, very cold, icy; Latin suff. -cola (from Latin noun incola), inhabitant, dweller; New Latin noun gelidicola, ice-dweller.)
 * P. geniculata ( (Wright 1895) Chester 1901, species.;: Latin feminine gender adjective geniculata, jointed.)
 * P. gessardii ( Verhille et al. 1999, ;: New Latin genitive case masculine gender noun gessardii, of Gessard, named after C. Gessard, French chemist who isolated &quot;Bacterium aeruginosum&quot; for the first time in 1882 and studied its pigment.)
 * P. gladioli ( Severini 1913, species.;: Latin noun gladiolus, a small sword, lily, and also a botanical generic name; Latin genitive case noun gladioli, of lily, of Gladiolus.)
 * P. glathei ( Zolg and Ottow 1975, species.;: New Latin genitive case masculine gender noun glathei, of Glathe, named after H. Glathe of Giessen, Germany.)
 * P. glumae ( Kurita and Tabei 1967, species.;: Latin noun gluma, a hull or husk; Latin genitive case noun glumae, of a husk.)
 * P. graminis ( Behrendt et al. 1999, ;: Latin noun gramen, grass; Latin genitive case noun graminis, of grass, the source of the organism.)
 * P. grimontii ( Ba&iuml;da et al. 2002, ;: New Latin genitive case masculine gender noun grimontii, of Grimont, in honour of the French bacteriologist P. A. D. Grimont, for all his work in the field of bacterial taxonomy.)
 * P. guineae ( Bozal et al. 2007, ; New Latin genitive case masculine gender noun guineae, of Guinea, in honour of the late Professor Jes&uacute;s Guinea, a prominent Spanish microbiologist, who isolated this strain.)
 * P. halophila ( Fendrich 1989, ;: Greek noun hals, halos (ἅλς, ἁλός), salt; New Latin feminine gender adjective phila (from Greek feminine gender adjective philē (φίλη)), friend, loving; New Latin feminine gender adjective halophila, salt-loving.)
 * P. hibiscicola ( Moniz 1963, species.;: New Latin noun Hibiscus, a botanical generic name; Latin suff. -cola (from Latin noun incola), inhabitant, dweller; New Latin noun hibiscicola, Hibiscus-dweller (pathogenic to Hibiscus Rosa-sinensis).)
 * P. huttiensis ( Leifson 1962, species.; New Latin feminine gender adjective huttiensis, pertaining to Lower Hutt, New Zealand.)
 * P. indica ( Pandey et al. 2002, ;: Latin feminine gender adjective indica, pertaining to India, where the organism was isolated.)
 * P. indigofera ( (Voges 1893) Migula 1900, species.;: New Latin noun indigo (from Fr. noun indigo, derived from Latin noun indicum, indigo) the dye indigo; Latin suff. -fer -fera -ferum (from Latin v. fero, to bear), bearing; New Latin feminine gender adjective indigofera, bearing indigo.)
 * P. iners ( Iizuka and Komagata 1964, species.;: Latin feminine gender adjective iners, inactive, inert.)
 * P. japonica ( Pungrasmi et al. 2008, ; New Latin feminine gender adjective japonica, pertaining to Japan, from where the isolate originated.)
 * P. jessenii ( Verhille et al. 1999, ;: New Latin masculine gender genitive case noun jessenii, of Jessen, named after O. Jessen, eminent Danish bacteriologist who contributed substantially to the knowledge of fluorescent pseudomonads.)
 * P. jinjuensis ( Kwon et al. 2003, ; New Latin adjective jinjuensis, referring to Jinju Region in Korea, where the bacteria were first found.)
 * P. kilonensis ( Sikorski et al. 2001, ;: Latin feminine gender adjective kilonensis (after Civium Kilonensis, the ancient Latin name of the town of Kiel, Germany), of or belonging to Kiel.)
 * P. knackmussii ( Stolz et al. 2007, ;: New Latin masculine gender genitive case noun knackmussii, of Knackmuss, in honour of Hans-Joachim Knackmuss, who initiated the biochemical studies about the degradation of chlorinated aromatics and other xenobiotic compounds by strain B13T and various other micro-organisms.)
 * P. koreensis ( Kwon et al. 2003, ; New Latin feminine gender adjective koreensis, pertaining to Korea.)
 * P. lanceolata ( Leifson 1962, species.; Latin feminine gender adjective lanceolata, lanceolated, lancet-shaped.)
 * P. lemoignei ( Delafield et al. 1965, species.;: New Latin genitive case masculine gender noun lemoignei, of Lemoigne; named after M.H. Lemoigne, a French bacteriologist.)
 * P. libanensis ( Dabboussi et al. 1999, ;: Latin noun Libanus, Lebanon; New Latin feminine gender adjective libanensis, pertaining to Lebanon.)
 * P. lini ( Delorme et al. 2002, ;: Latin noun linum, flax; Latin genitive case noun lini, of flax, referring to the plant genus, Linum, from which the type strain CFBP 5737T was isolated.)
 * P. lundensis ( Molin et al. 1986, ;: New Latin feminine gender adjective lundensis, pertaining to the city of Lund,)
 * P. lurida ( Behrendt et al. 2007, ; Latin feminine gender adjective lurida, yellowish, to indicate the yellow-greenish fluorescent pigment of the organism.)
 * P. lutea ( Peix et al. 2004, ; Latin feminine gender adjective lutea, yellow, referring to the yellowish pigment produced by this bacterium.)
 * P. luteola ( Kodama et al. 1985, ;: Latin feminine gender dim. adjective luteola, yellowish.)
 * P. mallei ( (Zopf 1885) Redfearn et al. 1966, species.;: Latin noun malleus, a hammer, maul, the disease of glanders; Latin genitive case noun mallei, of glanders.)
 * P. maltophilia ( (ex Hugh and Ryschenkow 1961) Hugh 1981,, nom. rev.; New Latin noun maltum, malt; Greek noun philia, friendship; New Latin noun maltophilia, intended to mean friend of malt.)
 * P. mandelii ( Verhille et al. 1999, ;: New Latin masculine gender genitive case noun mandelii, of Mandel, dedicated to M. Mandel, American bacteriologist.)
 * P. marginalis ( (Brown 1918) Stevens 1925, species.;: Latin noun margo marginis, edge, margin; Latin feminine gender suff. -alis, suffix denoting pertaining to; New Latin feminine gender adjective marginalis, marginal.)
 * P. marina ( (Cobet et al. 1970) Baumann et al. 1972, species.; Latin feminine gender adjective marina, of or belonging to the sea, marine.)
 * P. marincola ( Romanenko et al. 2008, ; Latin noun mare, the sea; Latin noun incola, inhabitant; New Latin noun marincola, inhabitant of the sea.)
 * P. mediterranea ( Catara et al. 2002, ;: Latin feminine gender adjective mediterranea, mediterranean, referring to the fact that most strains of this species were isolated in Mediterranean countries.)
 * P. meliae ( Ogimi 1981, ;: New Latin noun Melia (from Greek noun melia, the ash), a botanical genus name; New Latin genitive case noun meliae, of Melia, isolated from Melia azedarach Latin (Chinaberry tree).)
 * P. mendocina ( Palleroni 1970, species.;: New Latin feminine gender adjective mendocina, pertaining to Mendoza (Argentina).)
 * P. mephitica ( Claydon and Hammer 1939, species.;: Latin feminine gender adjective mephitica, mephitic, pestilential.)
 * P. meridiana ( Reddy et al. 2004, ; Latin feminine gender adjective meridiana, of or belonging to the south or south side, southern, southerly, meridional; pertaining to the South Pole.)
 * P. mesophilica ( Austin and Goodfellow 1979, species.;: Greek adjective mesos, middle; Greek adjective philikos -ē -on, friendly; New Latin feminine gender adjective mesophilica, friendly to the middle, because of its preference for moderate temperatures.)
 * P. migulae ( Verhille et al. 1999, ;: New Latin masculine gender genitive case noun migulae, of Migula, named after W. Migula, who created the generic name Pseudomonas.)
 * P. mixta ( Bowman et al. 1989, ;: Latin feminine gender participle adjective mixta (from Latin v. misceo), mixed, referring to mixed flagellation.)
 * P. mohnii ( C&aacute;mara et al. 2007, ; New Latin genitive case masculine gender noun mohnii, of Mohn, named in honour of William Mohn, for his pioneering contributions to the study of the biodegradation of resin acids.)
 * P. monteilii ( Elomari et al. 1997, ;: New Latin masculine gender genitive case noun monteilii, of Monteil, in honor of Henri Monteil, a French microbiologist.)
 * P. moorei ( C&aacute;mara et al. 2007, ; New Latin genitive case masculine gender noun moorei, of Moore, named in honour of Edward R. B. Moore, for his important contributions to the study of the genus Pseudomonas.)
 * P. moraviensis ( Tvrzov&aacute; et al. 2006, ;: New Latin feminine gender adjective moraviensis, pertaining to Moravia, the region of the Czech Republic where the type strain 1B4 was isolated.)
 * P. mosselii ( Dabboussi et al. 2002, ;: New Latin masculine gender genitive case noun mosselii, of Mossel, in honour of David A. A. Mossel, a Dutch microbiologist, for his contribution to medical and food microbiology.)
 * P. mucidolens ( Levine and Anderson 1932, species.;: Latin adjective mucidus, musty; Latin v. oleo, to emit a smell, to smell of; New Latin participle adjective mucidolens, musty smelling.)
 * P. multiresinivorans ( Mohn et al. 1999, ;: Latin adjective multus, many; Latin feminine gender noun resina, resin; Latin participle adjective vorans, eating, devouring; New Latin participle adjective multiresinivorans, devouring many resins.)
 * P. nautica ( Baumann et al. 1972, species.;: Latin feminine gender adjective nautica, nautical.)
 * P. nitroreducens ( Iizuka and Komagata 1964, species.;: Greek noun nitron, nitre, nitrate; Latin participle adjective reducens, drawing backwards, bringing back to a state or condition; New Latin participle adjective nitroreducens, nitrate reducing.)
 * P. oleovorans ( Lee and Chandler 1941, species.;: Latin noun oleum, oil; Latin participle adjective vorans, eating, devouring; New Latin participle adjective oleovorans, oil devouring.)
 * P. oleovorans ( subsp. lubricantis Saha et al. 2010, ; Latin v. lubricare, to lubricate; New Latin n lubricans -antis (from Latin participle adjective lubricans) a lubricant; New Latin genitive case noun lubricantis, of/from lubricating oil, the source of the organism.)
 * P. oleovorans ( subsp. oleovorans Lee and Chandler 1941, ; Latin noun oleum, oil; Latin participle adjective vorans, eating, devouring; New Latin participle adjective oleovorans, oil devouring.)
 * P. orientalis ( Dabboussi et al. 2002, ;: Latin feminine gender adjective orientalis, Oriental, pertaining to the Orient.)
 * P. oryzihabitans ( Kodama et al. 1985, ;: Latin noun oryza, rice; Latin participle adjective habitans, inhabiting, dwelling; New Latin participle adjective oryzihabitans, rice-inhabiting.)
 * P. otitidis ( Clark et al. 2006, ; Greek noun ous otos, ear; New Latin suff. -itis -idis, used in names of inflammations; New Latin genitive case noun otitidis, of inflammation of the ear.)
 * P. pachastrellae ( Romanenko et al. 2005, ; New Latin genitive case noun pachastrellae, of Pachastrella, the generic name of a sponge.)
 * P. palleroniana ( Gardan et al. 2002, ;: New Latin feminine gender adjective palleroniana, pertaining to N. J. Palleroni, the famous microbiologist.)
 * P. palleronii ( Davis 1970, species.;: New Latin genitive case masculine gender noun palleronii, of Palleroni, named after N.J. Palleroni, who first isolated this organism.)
 * P. panacis ( Park et al. 2005, ; Latin genitive case noun panacis, of panax, a fabulous plant supposed to heal all diseases, and the botanical genus name of ginseng (Panax Latin).)
 * P. panipatensis ( Gupta et al. 2008, ; New Latin feminine gender adjective panipatensis, pertaining to Panipat, the place of isolation of the bacterium.)
 * P. parafulva ( Uchino et al. 2002, ;: Greek prep. para, beside, alongside of, near, like; Latin feminine gender adjective fulva, a specific epithet; New Latin feminine gender adjective parafulva, (Pseudomonas) fulva-like.)
 * P. paucimobilis ( Holmes et al. 1977, species.;: Latin adjective paucus, few, little; Latin adjective mobilis, movable, mobile; New Latin feminine gender adjective paucimobilis, intended to mean few motile cells.)
 * P. pelagia ( Hwang et al. 2009, ; Latin feminine gender adjective pelagia, of or belonging to the sea.)
 * P. peli ( Vanparys et al. 2006, ; Greek noun pelos, sludge; New Latin genitive case noun peli, of sludge.)
 * P. perfectomarina ( (ex ZoBell and Upham 1944) Baumann et al. 1983,, nom. rev.;: Latin participle adjective perfectus, complete, perfect; Latin feminine gender adjective marina, of the sea, marine; New Latin feminine gender adjective perfectomarina, completely marine.)
 * P. pertucinogena ( Kawai and Yabuuchi 1975, species.;: New Latin noun pertucinum, pertucin, a bacteriocin active against Bordetella pertussis; Latin suff. genus -a -um (from Latin v. gigno, to produce, give birth to, beget), producing; New Latin feminine gender adjective pertucinogena, intended to mean pertucin producing.)
 * P. phenazinium ( Bell and Turner 1973, species.;: Orthography and etymology uncertain; possibly refers to iodinin, which is a phenazine pigment.)
 * P. pickettii ( Ralston et al. 1973, species.;: New Latin genitive case masculine gender noun pickettii, of Pickett; named after M.J. Pickett.)
 * P. pictorum ( Gray and Thornton 1928, species.;: Latin genitive case pl. noun pictorum, of painters; here, intended to mean of the Picts, named after the Picts, a scottish tribe.)
 * P. plantarii ( Azegami et al. 1987, ;: Latin noun plantarium, nursery, seedbed; Latin genitive case noun plantarii, of seedbed.)
 * P. plecoglossicida ( Nishimori et al. 2000, ;: New Latin noun Plecoglossus, systematic name of afish genus; Latin suff. -cida (from Latin v. caedere, to kill), killer; New Latin noun plecoglossicida, the killer of Plecoglossus, the genus to which ayu belongs.''' )
 * P. poae ( Behrendt et al. 2003, ; Greek noun poa, grass; New Latin genitive case noun poae of/from grass.)
 * P. pohangensis ( Weon et al. 2006, ; New Latin feminine gender adjective pohangensis, referring to Pohang city in Korea, where the type strain was found.)
 * P. proteolytica ( Reddy et al. 2004, ; New Latin feminine gender adjective proteolytica, proteolytic.)
 * P. pseudoalcaligenes ( Stanier 1966, species.;: Greek adjective  pseudēs, false; New Latin noun alcali (from Arabic article al, the; Arabic noun qaliy, ashes of saltwort), alkali; New Latin suff. -genes (from Greek v. gennaō (γεννάω), to produce), producing; New Latin adjective alcaligenes, alkali-producing; New Latin adjective pseudoalcaligenes, false alkaliproducing.)
 * P. pseudoalcaligenes ( subsp. citrulli Schaad et al. 1978, subspecies.;: New Latin noun Citrullus, a genus of melon plants; New Latin genitive case noun citrulli, of Citrullus.)
 * P. pseudoalcaligenes ( subsp. konjaci Goto 1983, ;: New Latin genitive case noun konjaci, of the konjac plant, Amorphophallus rivieri cv. Konjac.)
 * P. pseudoalcaligenes ( subsp. pseudoalcaligenes Stanier 1966, subspecies.;: Greek adjective  pseudēs, false; New Latin noun alcali (from Arabic article al, the; Arabic noun qaliy, ashes of saltwort), alkali; New Latin suff. -genes (from Greek v. gennaō (γεννάω), to produce), producing; New Latin adjective alcaligenes, alkali-producing; New Latin adjective pseudoalcaligenes, false alkaliproducing.)
 * P. pseudoflava ( Auling et al. 1978, species.;: Greek adjective pseudēs, false; Latin feminine gender adjective flava, yellow, and also a specific epithet; New Latin feminine gender adjective pseudoflava, not the true (Pseudomonas) flava, referring to the close relationship to Pseudomonas flava.)
 * P. pseudomallei ( (Whitmore 1913) Haynes 1957, species.;: Greek adjective  pseudēs, false; Latin noun malleus, a hammer, maul, the disease of glanders, and also a specific epithet; New Latin genitive case noun pseudomallei, of false glanders, the false (Pseudomonas) mallei.)
 * P. psychrophila ( Yumoto et al. 2002, ;: Greek adjective psychros (ψυχρός), cold; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin feminine gender adjective psychrophila, cold loving.)
 * P. psychrotolerans ( Hauser et al. 2004, ; Greek adjective psychros (ψυχρός), cold; Latin participle adjective tolerans, tolerating; New Latin participle adjective psychrotolerans, cold-tolerating.)
 * P. putida ( (Trevisan 1889) Migula 1895, species.;: Latin feminine gender adjective putida, stinking, fetid.)
 * P. pyrrocinia ( Imanaka et al. 1965, species.;: Etymology uncertain, possibly New Latin adjective pyrrocinia, referring to the antibiotic properties of pyrrolnitrin, which is produced by strains of this species.)
 * P. radiora ( Ito and Iizuka 1971, species.;: The etymology is uncertain. Perhaps, intended to mean pertaining to radiation.)
 * P. reinekei ( C&aacute;mara et al. 2007, ; New Latin genitive case masculine gender noun reinekei, of Reineke, named in honour of Walter Reineke, for his pioneering contributions to the study of the biodegradation of chlorinated aromatics.)
 * P. resinovorans ( Delaporte et al. 1961, species.;: Latin noun resina, resin; Latin participle adjective vorans, eating, devouring; New Latin participle adjective resinovorans, resin devouring.)
 * P. rhizosphaerae ( Peix et al. 2003, ; Greek feminine gender noun rhiza, root; Latin feminine gender noun sphaera (from Greek feminine gender noun sphaira), ball, globe, sphere; New Latin genitive case feminine gender noun rhizosphaerae, of the rhizosphere.)
 * P. rhodesiae ( Coroler et al. 1997, ;: New Latin feminine gender genitive case noun rhodesiae, of Rhodes, in honor of M.R. Rhodes, an English microbiologist.)
 * P. rhodos ( Heumann 1962, species.;: Greek noun rhodon (ῥόδον), rose; New Latin feminine gender adjective rhodos (sic), rose colored.)
 * P. rubrilineans ( (Lee et al. 1925) Stapp 1928, species.;: Latin adjective ruber -bra -brum, red; Latin v. lineo, to reduce to a straight line, to make straight or perpendicular; New Latin participle adjective rubrilineans, making red stripes.)
 * P. rubrisubalbicans ( (Christopher and Edgerton 1930) Krasil&#39;nikov 1949, species.;: Latin adjective ruber -bra -brum, red; Latin adjective subalbicans, somewhat white, whitish; New Latin feminine gender adjective rubrisubalbicans, red-whitish, referring to the symptoms of mottled stripe disease.)
 * P. sabulinigri ( Kim et al. 2009, ; Latin noun sabulum, sand; Latin adjective niger -gra -grum, black; New Latin genitive case noun sabulinigri, of black sand.)
 * P. saccharophila ( Doudoroff 1940, species.;: Greek noun sakch&acirc;r, sugar; New Latin feminine gender adjective phila (from Greek feminine gender adjective philē (φίλη)), friend, loving; New Latin feminine gender adjective saccharophila, sugar-loving.)
 * P. salomonii ( Gardan et al. 2002, ;: New Latin genitive case masculine gender noun salomonii, of Salomon, referring to Max Salomon, the agricultural technical advisor who firstobserved the symptoms of the new garlic disease &quot;Caf&eacute; au lait&quot;.)
 * P. savastanoi ( (Janse 1982) Gardan et al. 1992, ;: New Latin genitive case masculine gender nounsavastanoi, of Savastano, the first worker who studied olive knot disease.)
 * P. segetis ( Park et al. 2006, ;: Latin noun seges -etis, soil; Latin genitive case noun segetis, of the soil.)
 * P. simiae ( Vela et al. 2006, ;: Latin genitive case noun simiae, of an ape, of a monkey.)
 * P. solanacearum ( (Smith 1896) Smith 1914, species.;: New Latin feminine gender pl. noun Solanaceae, the nightshade family; New Latin feminine gender pl. genitive case noun solanacearum, of the Solanaceae.)
 * P. spinosa ( Leifson 1962, species.;: Latin feminine gender adjective spinosa, thorny, spiny.)
 * P. stanieri ( Baumann et al. 1983, ;: New Latin genitive case masculine gender noun stanieri, of Stanier, named after R. Y. Stanier, a Canadian microbiologist who made extensive contributions to general microbiology and, in particular, to Pseudomonas.)
 * P. straminea ( corrig. Iizuka and Komagata 1963, species.;: Latin feminine gender adjective straminea, made of straw.)
 * P. stutzeri ( (Lehmann and Neumann 1896) Sijderius 1946, species.;: New Latin genitive case masculine gender noun stutzeri, of Stutzer.)
 * P. synxantha ( (Ehrenberg 1840) Holland 1920, species.;: Greek pref. sun, with, along with, together; Greek adjective xanthos, yellow; New Latin feminine gender adjective synxantha, with yellow.)
 * P. syringae ( van Hall 1902, species.;: New Latin feminine gender noun Syringa, generic name of lilac; New Latin feminine gender genitive case noun syringae, of the lilac.)
 * P. syringae ( subsp. savastanoi (ex Smith 1908) Janse 1982,, nom. rev.;: New Latin genitive case masculine gender nounsavastanoi, of Savastano, the first worker who studied olive knot disease.)
 * P. syringae ( subsp. syringae van Hall 1902, ;: New Latin feminine gender noun Syringa, generic name of lilac; New Latin feminine gender genitive case noun syringae, of the lilac.)
 * P. syzygii ( Roberts et al. 1990, ;: New Latin noun Syzygium, generic name of the clove tree; Latin genitive case noun syzygii, of the genus Syzygium.)
 * P. taeanensis ( Lee et al. 2010, ; New Latin feminine gender adjective taeanensis, of or pertaining to Taean, Korea, where the type strain was isolated.)
 * P. taeniospiralis ( Lalucat et al. 1982, ;: Greek noun tainia (Latin transliteration taenia), band, ribbon; New Latin feminine gender adjective spiralis (from Latin noun spira, coil; and Latin feminine gender suff. -alis, suffix denoting pertaining to), coiled; New Latin feminine gender adjective taeniospiralis, ribbon coiled, after Caedibacter taeniospiralis, an organism with which it shares characteristics.)
 * P. taetrolens ( Haynes 1957, species.;: Latin adjective taeter -tra -trum, offensive, foul; Latin participle adjective olens, having an odor; New Latin participle adjective taetrolens, foul smelling.)
 * P. taiwanensis ( Wang et al. 2010, ; New Latin feminine gender adjective taiwanensis, of or pertaining to Taiwan, where the type strain was isolated.)
 * P. testosteroni ( Marcus and Talalay 1956, species.;: New Latin genitive case noun testosteroni, of testosterone, a chemical compound.)
 * P. thermotolerans ( Manaia and Moore 2002, ;: Greek noun thermē (θέρμη), heat; Latin participle adjective tolerans, tolerating; New Latin participle adjective thermotolerans, able to tolerate high temperatures.)
 * P. thivervalensis ( Achouak et al. 2000, ;: New Latin feminine gender adjective thivervalensis, of or belonging to Thiverval, France, the place where most of the strains have been isolated from the rhizoplane of Arabidopsis &sup2;.)
 * P. tolaasii ( Paine 1919, species.;: New Latin genitive case masculine gender noun tolaasii, of Tolaas.)
 * P. tremae ( Gardan et al. 1999, ;: New Latin genitive case feminine gender noun tremae, of Trema; generic name of the host plant, Trema orientalis BL.)
 * P. trivialis ( Behrendt et al. 2003, ; Latin feminine gender adjective trivialis, trivial.)
 * P. tuomuerensis ( Xin et al. 2009, ; New Latin feminine gender adjective tuomuerensis, pertaining to the region of Tuomuer Peak of Tianshan Mountain, where the type strain was isolated.)
 * P. umsongensis ( Kwon et al. 2003, ; New Latin feminine gender adjective umsongensis, referring to Umsong Region in Korea, where the bacteria were first found.)
 * P. vancouverensis ( Mohn et al. 1999, ;: New Latin feminine gender adjective vancouverensis, pertaining to the city of Vancouver, Canada.)
 * P. veronii ( Elomari et al. 1996, ;: New Latin masculine gender genitive case noun veronii, of V&eacute;ron, in honor of Prof. M. M. V&eacute;ron, an eminent French microbiologist, for his contribution to taxonomy and medical microbiology.)
 * P. vesicularis ( (B&uuml;sing et al. 1953) Galarneault and Leifson 1964, species.;: Latin noun vesicula, a little blister, vesicle; Latin feminine gender suff. -aris, suffix denoting pertaining to; New Latin feminine gender adjective vesicularis, pertaining to a vesicle.)
 * P. viridiflava ( (Burkholder 1930) Dowson 1939, species.;: Latin adjective viridis, green; Latin adjective flavus, golden yellow, reddish yellow; New Latin feminine gender adjective viridiflava, greenish yellow.)
 * P. vranovensis ( Tvrzov&aacute; et al. 2006, ;: New Latin feminine gender adjective vranovensis, pertaining to Vranov, the name of a village in South Moravia, the place of soil origin, the source of isolation of strain 2B2.)
 * P. woodsii ( (Smith 1911) Stevens 1925, species.;: New Latin genitive case masculine gender noun woodsii, of Woods, named after A.F. Woods, an American plant pathologist.)
 * P. xanthomarina ( Romanenko et al. 2005, ; Greek adjective xanthos, yellow; Latin feminine gender adjective marina, of or belonging to the sea, marine; New Latin feminine gender adjective xanthomarina, yellow-pigmented bacteria from the sea.)
 * P. xiamenensis ( Lai and Shao 2008, ; New Latin feminine gender adjective xiamenensis, of Xiamen, a district in Fujian, China, where the type strain was isolated.)
 * P. xinjiangensis ( Liu et al. 2009, ; New Latin feminine gender adjective xinjiangensis, pertaining to Xinjiang, in north-west China, where the type strain was isolated.)

Pseudonocardia
Pseudonocardia is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Pseudonocardia derives from: Greek adjective  pseudēs, false; New Latin feminine gender noun Nocardia, a bacterial genus name; New Latin feminine gender noun Pseudonocardia, false Nocardia.

Species
The genus contains 39 species (including basonyms and synonyms), namely
 * P. acaciae ( Duangmal et al. 2009, ; Latin noun acacia, the acacia tree and also the name of a botanical genus; Latin genitive case noun acaciae, of Acacia, referring to the isolation of the type strain from roots of Acacia auriculiformis A. Cunn. ex Benth.)
 * P. adelaidensis ( Kaewkla and Franco 2010, ; New Latin feminine gender adjective adelaidensis, of or belonging to Adelaide, South Australia, the source of the tree from which the type strain was isolated.)
 * P. ailaonensis ( Qin et al. 2008, ; New Latin feminine gender adjective ailaonensis, of or pertaining to Ailao Mountain, Yunnan province, China, the source of the soil sample from which the type strain was isolated.)
 * P. alaniniphila ( (Xu et al. 1999) Huang et al. 2002, ; New Latin noun alaninum, alanine; New Latin feminine gender adjective phila (from Greek feminine gender adjective philē (φίλη)), friend loving; New Latin feminine gender adjective alaniniphila, alanine loving.)
 * P. alni ( (Evtushenko et al. 1989) Warwick et al. 1994, ; Latin genitive case noun alni, of alder, referring to the isolation of the type strain and some other strains from alder associations.)
 * P. ammonioxydans ( Liu et al. 2006, ; New Latin noun ammonia, ammonia; New Latin participle adjective oxydans, oxidizing; New Latin participle adjective ammonioxydans, oxidizing ammonia.)
 * P. antarctica ( Prabahar et al. 2004, ; Latin feminine gender adjective antarctica, southern, and by extension, pertaining to the continent Antarctica.)
 * P. artemisiae ( Zhao et al. 2011, ; Latin noun artemisia, mugwort, also a plant genus; Latin genitive case noun artemisiae, of Artemisia, isolated from Artemisia annua Latin)
 * P. asaccharolytica ( Reichert et al. 1998, ; Greek prefix a- (ἄ), not; Greek noun sakch&acirc;r, sugar; New Latin feminine gender adjective lytica (from Greek feminine gender adjective lutikē), able to dissolve, able to loose; New Latin feminine gender adjective asaccharolytica, not digesting sugar, referring to the failure to produce acid from carbohydrates.)
 * P. aurantiaca ( (Xu et al. 1999) Huang et al. 2002, ; New Latin feminine gender adjective aurantiaca, orange-colored.)
 * P. autotrophica ( (Takamiya and Tubaki 1956) Warwick et al. 1994, ; Greek pron. autos (αὐτός), himself; New Latin feminine gender adjective trophica (from Greek feminine gender adjective trophikē), nursing, tending or feeding; New Latin feminine gender adjective autotrophica, self-nourishing, referring to the ability to grow at the expense of H2 and CO2.)
 * P. azurea ( &#332;mura et al. 1983, ; New Latin feminine gender adjective azurea, azure blue, referring to the color of aerial mycelium.)
 * P. babensis ( Sakiyama et al. 2010, ; New Latin feminine gender adjective babensis, referring to Ba Be National Park, Vietnam, from where the type strain was isolated.)
 * P. benzenivorans ( K&auml;mpfer and Kroppenstedt 2004, ; New Latin neuter gender noun benzenum, benzene; Latin participle adjective vorans, devouring, digesting; New Latin feminine gender participle adjective benzenivorans, digesting benzene.)
 * P. carboxydivorans ( Park et al. 2008, ; New Latin neuter gender noun carboxydum, carbon monoxide; Latin participle adjective vorans, devouring, digesting; New Latin participle adjective carboxydivorans, digesting carbon monoxide.)
 * P. chloroethenivorans ( Lee et al. 2004, ; New Latin neuter gender noun chloroethenum, chloroethene; Latin participle adjective vorans, devouring; New Latin feminine gender participle adjective chloroethenivorans, chloroethene-devouring.)
 * P. compacta ( Henssen et al. 1983, ; Latin feminine gender adjective compacta, compact.)
 * P. dioxanivorans ( Mahendra and Alvarez-Cohen 2005, ; New Latin noun dioxanum, dioxane; Latin participle adjective vorans, devouring; New Latin participle adjective dioxanivorans, dioxane-devouring.)
 * P. endophytica ( Chen et al. 2009, ; Greek pref. endo, within; Greek noun phyton, plant; Latin feminine gender suff. -ica, adjectival suffix used with the sense of belonging to; New Latin feminine gender adjective endophytica, within plant, endophytic, pertaining to the original isolation from plant tissues.)
 * P. eucalypti ( Kaewkla and Franco 2011, ; New Latin genitive case noun eucalypti, of Eucalyptus, isolated from Eucalyptus microcarpa.)
 * P. halophobica ( (Akimov et al. 1989) McVeigh et al. 1994, ; Greek noun hals, halos (ἅλς, ἁλός), salt, the sea; Greek noun phobos, fear, dread; Latin feminine gender suff. -ica, suffix used with the sense of pertaining to; New Latin feminine gender adjective halophobica, salt-fearing, referring to the inability to grow in the presence of 3% NaCl.)
 * P. hydrocarbonoxydans ( (Nolof and Hirsch 1962) Warwick et al. 1994, ; Greek noun húdōr (ὕδωρ), water; Latin noun carbo -onis, coal, charcoal; New Latin participle adjective oxydans, oxidizing; New Latin participle adjective hydrocarbonoxydans, oxidizing hydrocarbons.)
 * P. khuvsgulensis ( Ara et al. 2011, ; New Latin feminine gender adjective khuvsgulensis, of or belonging to Khuvsgul, referring to the isolation of the type strain from soil of Khuvsgul Lake, Khuvsgul province, Mongolia.)
 * P. kongjuensis ( Lee et al. 2001, ; New Latin feminine gender adjective kongjuensis, of Kongju, Republic of Korea.)
 * P. mongoliensis ( Ara et al. 2011, ; New Latin feminine gender adjective mongoliensis, of or belonging to Mongolia, referring to the isolation of the type strain from soil of Mongolia.)
 * P. nitrificans ( (ex Schatz et al. 1954) Warwick et al. 1994, nom. rev., ; New Latin participle adjective nitrificans, nitrifying.)
 * P. oroxyli ( Gu et al. 2006, ; New Latin genitive case noun oroxyli, of the plant genus Oroxylum.)
 * P. parietis ( Sch&auml;fer et al. 2009, ; Latin noun paries -etis, a wall; Latin genitive case noun parietis, of the wall of a house.)
 * P. petroleophila ( (Hirsch and Engel 1956) Warwick et al. 1994, ; Greek noun petra, stone, rock; Latin noun oleum, oil; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin feminine gender adjective petroleiphila, petrol-loving.)
 * P. saturnea ( (Hirsch 1960) Warwick et al. 1994, ; Latin noun saturnus, Saturn, Roman god of seed sowing; New Latin feminine gender adjective saturnea, pertaining to Saturn, referring to the colonies which have a Saturnian shape.)
 * P. spinosa ( Sch&auml;fer 1971, species.; Latin feminine gender adjective spinosa, full of thorns, thorny.)
 * P. spinosispora ( Lee et al. 2002, ; Latin adjective spinosus, full of thorns, thorny; Greek feminine gender noun spora (σπορά), a seed and, in biology, a spore; New Latin feminine gender noun spinosispora, thorny spore.)
 * P. sulfidoxydans ( Reichert et al. 1998, ; New Latin noun sulfidum, sulfide; New Latin participle adjective oxydans, oxidizing; New Latin participle adjective sulfidoxydans, oxidizing sulfides.)
 * P. tetrahydrofuranoxydans ( K&auml;mpfer et al. 2006, ; New Latin noun tetrahydrofuranum, tetrahydrofuran; New Latin v. oxydare, to make acid, to oxidize; New Latin participle adjective tetrahydrofuranoxydans, oxidizing tetrahydrofuran.)
 * P. thermophila ( Henssen 1957, species. (Type species of the genus).; Greek noun thermē (θέρμη), heat; New Latin feminine gender adjective phila (from Greek feminine gender adjective philē (φίλη)), friend, loving; New Latin feminine gender adjective thermophila, heat loving.)
 * P. tropica ( Qin et al. 2010, ; Latin feminine gender adjective tropica, tropical, referring to the tropical region where the type strain was isolated.)
 * P. xinjiangensis ( (Xu et al. 1999) Huang et al. 2002, ; New Latin feminine gender adjective xinjiangensis, pertaining to Xinjiang, an autonomous region in northwest China.)
 * P. yunnanensis ( (Jiang et al. 1991) Huang et al. 2002, ; New Latin feminine gender adjective yunnanensis, pertaining to Yunnan, a province of south China.)
 * P. zijingensis ( Huang et al. 2002, ; New Latin feminine gender adjective zijingensis, pertaining to Zijing, the source of the soil from which the organism was isolated.)

Pseudoramibacter
Pseudoramibacter is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Pseudoramibacter derives from: Greek adjective  pseudēs, false; Latin masculine gender noun ramus, a branch; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod, staff; New Latin masculine gender noun Pseudoramibacter, false branching rod.

Species
The genus contains a single species, namely P. alactolyticus ( (Pr&eacute;vot and Taffanel 1942) Willems and Collins 1996, (Type species of the genus).; Greek prep. a, not; Latin noun lac lactis, milk; New Latin masculine gender adjective lyticus (from Greek masculine gender adjective lutikos (λυτικός)), able to loose, able to dissolve; New Latin masculine gender adjective alactolyticus, not milk digesting.)

Pseudorhodobacter
Pseudorhodobacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pseudorhodobacter derives from: Greek adjective  pseudēs, false; New Latin masculine gender noun Rhodobacter, a bacterial generic name; New Latin masculine gender noun Pseudorhodobacter, false Rhodobacter.

Species
The genus contains a single species, namely P. ferrugineus ( (R&uuml;ger and H&ouml;fle 1992) Uchino et al. 2003, (Type species of the genus).; Latin masculine gender adjective ferrugineus, of the color of iron-rust, dark-red.)

Pseudorhodoferax
Pseudorhodoferax is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pseudorhodoferax derives from: Greek adjective pseudēs, false; New Latin masculine gender noun Rhodoferax, a bacterial genus name; New Latin masculine gender noun Pseudorhodoferax, the false Rhodoferax.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * P. caeni ( Bruland et al. 2009, ; Latin genitive case noun caeni, of sludge, the source of the type strain.)
 * P. soli ( Bruland et al. 2009, (Type species of the genus).; Latin genitive case noun soli, of soil, the source of the type strain.)

Pseudoruegeria
Pseudoruegeria is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pseudoruegeria derives from:
 * Greek adjective  pseudēs, false; New Latin feminine gender noun Ruegeria, a bacterial generic name; New Latin feminine gender noun Pseudoruegeria, false Ruegeria.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * P. aquimaris ( Yoon et al. 2007, (Type species of the genus).;: Latin noun aqua, water; Latin genitive case noun maris, of the sea; New Latin genitive case noun aquimaris, of the water of the sea.)
 * P. lutimaris ( Jung et al. 2010, ; Latin noun lutum, mud; Latin genitive case noun maris, of the sea, marine; New Latin genitive case noun lutimaris, of a marine mud.)

Pseudosphingobacterium
Pseudosphingobacterium is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Pseudosphingobacterium derives from: Greek adjective  pseudēs, false; New Latin neuter gender noun Sphingobacterium, a bacterial generic name; New Latin neuter gender noun Pseudosphingobacterium, false Sphingobacterium.

Species
The genus contains a single species, namely P. domesticum ( Vaz-Moreira et al. 2007, (Type species of the genus).; Latin neuter gender adjective domesticum, of or belonging to the house.)

Pseudospirillum
Pseudospirillum is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pseudospirillum derives from: Greek adjective pseudēs, false; New Latin neuter gender noun Spirillum, genus of spiral-shaped bacteria; New Latin neuter gender noun Pseudospirillum, false Spirillum.

Species
The genus contains a single species, namely P. japonicum ( (Watanabe 1959) Satomi et al. 2002, (Type species of the genus).; New Latin neuter gender adjective japonicum, pertaining to Japan.)

Pseudosporangium
Pseudosporangium is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Pseudosporangium derives from: Greek adjective  pseudēs, false; Greek noun spora (σπορά), seed; Greek neuter gender noun angeion, a vessel; New Latin neuter gender noun Pseudosporangium, false sporangium.

Species
The genus contains a single species, namely P. ferrugineum ( Ara et al. 2008, (Type species of the genus).; Latin neuter gender adjective ferrugineum, rusty brown, referring to the orange-dark brown- to clove brown-coloured substrate mycelium.)

Pseudovibrio
Pseudovibrio is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pseudovibrio derives from: Greek adjective  pseudēs, false; New Latin masculine gender noun Vibrio, a name of a bacterial genus; New Latin masculine gender noun Pseudovibrio, false Vibrio.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * P. ascidiaceicola ( Fukunaga et al. 2006, ; New Latin feminine gender noun Ascidiacea, name of a zoological class; Latin suff. cola, dweller; New Latin noun ascidiaceicola, Ascidiacea dweller.)
 * P. denitrificans ( Shieh et al. 2004, (Type species of the genus).; New Latin participle adjective denitrificans (from New Latin v. denitrifico), denitrifying.)
 * P. japonicus ( Hosoya and Yokota 2007, ; New Latin masculine gender adjective japonicus, pertaining to Japan, where the isolate originated.)

Pseudoxanthobacter
Pseudoxanthobacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pseudoxanthobacter derives from: Greek adjective  pseudēs, false; New Latin masculine gender noun Xanthobacter, a bacterial genus name; New Latin masculine gender noun Pseudoxanthobacter, the false Xanthobacter.

Species
The genus contains a single species, namely P. soli ( Arun et al. 2008, (Type species of the genus).; Latin genitive case noun soli, of soil, the source of the type strain.)

Pseudoxanthomonas
Pseudoxanthomonas is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pseudoxanthomonas derives from: Greek adjective  pseudēs, false; New Latin noun Xanthomonas, a bacterial generic name; New Latin feminine gender noun Pseudoxanthomonas, false Xanthomonas.

Members of the genus Pseudoxanthomonas can be referred to as pseudoxanthomonad (viz. Trivialisation of names).

Species
The genus contains 13 species (including basonyms and synonyms), namely
 * P. broegbernensis ( Finkmann et al. 2000, (Type species of the genus).; New Latin feminine gender adjective broegbernensis, pertaining to Br&ouml;gbern (location near Lingen) Germany, where the organism was isolated.)
 * P. daejeonensis ( Yang et al. 2005, ; New Latin feminine gender adjective daejeonensis, pertaining to Daejeon in Korea, the location of the soil sample from which the type strain was isolated.)
 * P. dokdonensis ( (Yoon et al. 2006) Lee et al. 2008, ; New Latin feminine gender adjective dokdonensis, pertaining to Dokdo, a Korean island, from where the organism was isolated.)
 * P. japonensis ( Thierry et al. 2004, ; New Latin feminine gender adjective japonensis, pertaining to Japan, where the type strain was isolated.)
 * P. kalamensis ( Harada et al. 2006, ; New Latin feminine gender adjective kalamensis, of Kalama Island, referring to the Hawaiian name for Johnston Atoll, where the organism was isolated.)
 * P. kaohsiungensis ( Chang et al. 2005, ; New Latin feminine gender adjective kaohsiungensis, of Kaohsiung, referring to Kaohsiung, city in southern Taiwan, origin of the oil-polluted site from which the type strain was isolated.)
 * P. koreensis ( Yang et al. 2005, ; New Latin feminine gender adjective koreensis, pertaining to Korea, the location of the soil sample from which the type strain was isolated.)
 * P. mexicana ( Thierry et al. 2004, ; New Latin feminine gender adjective mexicana, pertaining to Mexico, where the type strain was isolated.)
 * P. sacheonensis ( Lee et al. 2008, ; New Latin feminine gender adjective sacheonensis, pertaining to Sacheon, Korea, the location of the soil sample from which the type strain was isolated.)
 * P. spadix ( Young et al. 2007, ; Latin feminine gender adjective spadix, date-brown, date-coloured, referring to the brown pigment produced by the organism.)
 * P. suwonensis ( Weon et al. 2006, ; New Latin feminine gender adjective suwonensis, pertaining to Suwon region, where the bacterium was first found.)
 * P. taiwanensis ( Chen et al. 2002, ; New Latin feminine gender adjective taiwanensis, pertaining to Taiwan, referring to where the organism was first isolated.)
 * P. yeongjuensis ( Yoo et al. 2007, ;: New Latin feminine gender adjective yeongjuensis, pertaining to Yeongju province in Korea, from where the type strain was isolated.)

Pseudozobellia
Pseudozobellia is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Pseudozobellia derives from: Greek adjective  pseudēs, false; New Latin feminine gender noun Zobellia, the name of a bacterial genus; New Latin feminine gender noun Pseudozobellia, the false Zobellia.

Species
The genus contains a single species, namely P. thermophila ( Nedashkovskaya et al. 2009, (Type species of the genus).; Greek noun thermē (θέρμη), heat; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin feminine gender adjective thermophila, heat-loving.)

Psychrilyobacter
Psychrilyobacter is a genus in the phylum Fusobacteria (Bacteria).

Etymology
The name Psychrilyobacter derives from: Greek adjective psychros (ψυχρός), cold; New Latin masculine gender noun Ilyobacter, a bacterial genus name; New Latin masculine gender noun Psychrilyobacter, a psychrotrophic bacterium related to the genus Ilyobacter.

Species
The genus contains a single species, namely P. atlanticus ( Zhao et al. 2009, (Type species of the genus).; Latin masculine gender adjective atlanticus, of or pertaining to the Atlantic Ocean.)

Psychrobacillus
Psychrobacillus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Psychrobacillus derives from: gr. adjective psychros (ψυχρός), cold; Latin masculine gender noun bacillus, rod; New Latin masculine gender noun psychrobacillus, cold loving rod.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * P. insolitus ( (Larkin and Stokes 1967) Krishnamurthi et al. 2011, (Type species of the genus).; Latin masculine gender adjective insolitus, unaccustomed, unusual, unfamiliar, strange.)
 * P. psychrodurans ( (Abd El-Rahman et al. 2002) Krishnamurthi et al. 2011, ; Greek adjective psychros (ψυχρός), cold; Latin participle adjective durans, enduring; New Latin participle adjective psychrodurans, cold-enduring.)
 * P. psychrotolerans ( (Abd El-Rahman et al. 2002) Krishnamurthi et al. 2011, ; Greek adjective psychros (ψυχρός), cold; Latin participle adjective tolerans, tolerating; New Latin participle adjective psychrotolerans, cold-tolerating.)

Psychrobacter
Psychrobacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Psychrobacter derives from:
 * Greek adjective psychros (ψυχρός), cold; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Psychrobacter, a rod that grows at low temperatures.

Species
The genus contains 33 species (including basonyms and synonyms), namely
 * P. adeliensis ( Shivaji et al. 2005, ; New Latin masculine gender adjective adeliensis, pertaining to Adelie Land.)
 * P. aestuarii ( Baik et al. 2010, ; Latin genitive case noun aestuarii, of a tidal flat, from where the type strain was isolated.)
 * P. alimentarius ( Yoon et al. 2005, ; Latin masculine gender adjective alimentarius, pertaining to food.)
 * P. aquaticus ( Shivaji et al. 2005, ; Latin masculine gender adjective aquaticus, living, growing or found in or by the water, aquatic.)
 * P. aquimaris ( Yoon et al. 2005, ; Latin noun aqua, water; Latin genitive case noun maris, of the sea; New Latin genitive case noun aquimaris, of the water of the sea.)
 * P. arcticus ( Bakermans et al. 2006, ; Latin masculine gender adjective arcticus, northern, Arctic.)
 * P. arenosus ( Romanenko et al. 2004, ; Latin masculine gender adjective arenosus, sandy, dwelling in marine sediment sand.)
 * P. celer ( Yoon et al. 2005, ; Latin masculine gender adjective celer, rapid, pertaining to fast growth.)
 * P. cibarius ( Jung et al. 2005, ; Latin masculine gender adjective cibarius, pertaining to food.)
 * P. cryohalolentis ( Bakermans et al. 2006, ; Greek noun kryos, ice; Greek noun hals, halos (ἅλς, ἁλός), salt; Latin genitive case noun lentis, from a lens; New Latin genitive case noun cryohalolentis, from a frozen salt lens.)
 * P. faecalis ( K&auml;mpfer et al. 2002, ;: Latin noun faex faecis, dregs; Latin masculine gender suff. -alis, suffix denoting pertaining to; New Latin masculine gender adjective faecalis, fecal.)
 * P. fozii ( Bozal et al. 2003, ; New Latin genitive case noun fozii, of Foz, named after Amadeo Foz, a Spanish physician who was an early pioneer in Spanish brucellosis.)
 * P. frigidicola ( Bowman et al. 1996, ;: Latin adjective frigidus, cold; Latin suff. -cola (from Latin noun incola) dweller; New Latin noun frigidicola, cold dweller.)
 * P. fulvigenes ( Romanenko et al. 2009, ; Latin adjective fulvus, brown; New Latin suff. -genes (from Greek v. gennaō (γεννάω), to produce), producing; New Latin adjective fulvigenes, brown pigment-producing.)
 * P. glacincola ( Bowman et al. 1997, ;: Latin noun glacies, ice; Latin noun incola, dweller, inhabitant; New Latin noun glacincola, the ice inhabitant.)
 * P. immobilis ( Juni and Heym 1986, (Type species of the genus).;: Latin masculine gender adjective immobilis, immovable, motionless.)
 * P. jeotgali ( Yoon et al. 2003, ; New Latin genitive case noun jeotgali, of jeotgal, traditional Korean fermented seafood.)
 * P. luti ( Bozal et al. 2003, ; Latin genitive case noun luti, of mud, referring to the isolation of strains from Antarctic glacier mud.)
 * P. lutiphocae ( Yassin and Busse 2009, ; Latin noun lutum, mud, mire, faeces; Latin noun phoca, a seal; New Latin genitive case noun lutiphocae, of faeces of a seal.)
 * P. marincola ( Romanenko et al. 2002, ;: Latin noun mare -is, sea; Latin noun incola, dweller, inhabitant; New Latin noun marincola, inhabitant of the sea.)
 * P. maritimus ( Romanenko et al. 2004, ; Latin masculine gender adjective maritimus, marine, maritime.)
 * P. namhaensis ( Yoon et al. 2005, ; New Latin masculine gender adjective namhaensis, of Namhae, the Korean name for the South Sea in Korea, where the organism was isolated.)
 * P. nivimaris ( Heuchert et al. 2004, ; Latin noun nix, nivis, snow; Latin genitive case noun maris, of the sea; New Latin genitive case noun nivimaris, from marine snow.)
 * P. okhotskensis ( Yumoto et al. 2003, ; New Latin masculine gender adjective okhotskensis, from Okhotsk Sea, the place where the micro-organism was isolated.)
 * P. pacificensis ( Maruyama et al. 2000, ;: New Latin masculine gender adjective pacificensis, pertaining to the Pacific Ocean.)
 * P. phenylpyruvicus ( (B&oslash;vre and Henriksen 1967) Bowman et al. 1996, ;: New Latin noun acidum phenylpyruvicum, phenylpyruvic acid; New Latin masculine gender adjective phenylpyruvicus, pertaining to phenylpyruvic acid, the product of deamination of phenylalanine by this organism.)
 * P. piscatorii ( Yumoto et al. 2010, ; Latin noun piscatorium, a fishing place; Latin genitive case noun piscatorii, of a fishing place, because the type strain was isolated from a fish-processing factory.)
 * P. proteolyticus ( Denner et al. 2001, ;: New Latin masculine gender adjective proteolyticus, proteolytic.)
 * P. pulmonis ( Vela et al. 2003, ; Latin genitive case noun pulmonis, of the lung.)
 * P. salsus ( Shivaji et al. 2005, ; Latin masculine gender adjective salsus, salted.)
 * P. submarinus ( Romanenko et al. 2002, ;: Latin prep. sub, under; Latin adjective marinus, of the sea, marine; New Latin masculine gender adjective submarinus, from under the sea.)
 * P. urativorans ( Bowman et al. 1996, ;: New Latin noun uratum, salt of uric acid; Latin participle adjective vorans, eating, devouring; New Latin participle adjective urativorans, uric acid devouring.)
 * P. vallis ( Shivaji et al. 2005, ; Latin genitive case noun vallis, of a valley.)

Psychroflexus
Psychroflexus is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Psychroflexus derives from: Greek adjective psychros (ψυχρός), cold cold; Latin masculine gender noun flexus, a bending, turning, curve; New Latin masculine gender noun Psychroflexus, cold bending.

Species
The genus contains 5 species (including basonyms and synonyms), namely
 * P. gondwanensis ( corrig. (Dobson et al. 1993) Bowman et al. 1999, ; New Latin masculine gender adjective gondwanensis, pertaining to Gondwanaland or Gondwana, one of the two ancient supercontinents, which originally included Antarctica and other, separate continental landmasses.)
 * P. salinarum ( Yoon et al. 2009, ; Latin pl. genitive case noun salinarum, of salterns.)
 * P. sediminis ( Chen et al. 2009, ; Latin genitive case noun sediminis, of sediment.)
 * P. torquis ( Bowman et al. 1999, (Type species of the genus).; Latin noun torquis, a twisted neck-chain, referring to coiling of cellular filaments.)
 * P. tropicus ( Donachie et al. 2004, ; Latin masculine gender adjective tropicus, tropical, relating to its isolation from a subtropical lake.)

Psychromonas
Psychromonas is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Psychromonas derives from: Greek adjective psychros (ψυχρός), cold; Greek feminine gender noun monas (μονάς / μονάδα), a monad, unit; New Latin feminine gender noun Psychromonas, a cold monad.

Members of the genus Psychromonas can be referred to as psychromonad (viz. Trivialisation of names).

Species
The genus contains 14 species (including basonyms and synonyms), namely
 * P. agarivorans ( Hosoya et al. 2009, ; New Latin noun agarum, agar; Latin participle adjective vorans, devouring, eating; New Latin participle adjective agarivorans, agar-devouring.)
 * P. antarctica ( corrig. Mountfort et al. 1998, (Type species of the genus).; Latin feminine gender adjective antarctica, southern (in this instance pertaining to the Antarctic environment, where the organism was isolated).)
 * P. aquimarina ( Miyazaki et al. 2008, ; Latin noun aqua, water; Latin adjective marinus, of the sea; New Latin feminine gender adjective aquimarina, of/from seawater.)
 * P. arctica ( Groudieva et al. 2003, ; Latin feminine gender adjective arctica, from the Arctic, referring to the site were the type strain was isolated.)
 * P. boydii ( Auman et al. 2010, ; New Latin masculine gender genitive case noun boydii, of Boyd, in honour of William Latin Boyd, whose career was dedicated to researching psychrophilic bacteria. This epithet was also chosen to honour Josephine W. Boyd.)
 * P. hadalis ( Nogi et al. 2007, ; New Latin feminine gender adjective hadalis (from Greek Haides), hadal of or relating to the deepest regions of the ocean.)
 * P. heitensis ( Hosoya et al. 2008, ; New Latin feminine gender adjective heitensis, pertaining to Heita bay, where the organisms were isolated.)
 * P. ingrahamii ( Auman et al. 2006, ; New Latin genitive case noun ingrahamii, of Ingraham, in honour of John Latin Ingraham for his extensive research on psychrophilic bacteria.)
 * P. japonica ( Miyazaki et al. 2008, ; New Latin feminine gender adjective japonica, pertaining to Japan, where the isolate originated.)
 * P. kaikoae ( Nogi et al. 2002, ; New Latin feminine gender genitive case noun kaikoae, of KAIKO, the unmanned submersible that collected the samples from which the organism was isolated.)
 * P. macrocephali ( Miyazaki et al. 2008, ; New Latin genitive case noun macrocephali, of Physeter macrocephalus (sperm whale))
 * P. marina ( Kawasaki et al. 2002, ; Latin feminine gender adjective marina, of or belonging to the sea, marine.)
 * P. ossibalaenae ( Miyazaki et al. 2008, ; Latin noun os ossis, bone; Latin noun balaena -ae, whale; New Latin genitive case noun ossibalaenae, of a bone of a whale.)
 * P. profunda ( Xu et al. 2003, ; Latin feminine gender adjective profunda, from the deep.)

Psychroserpens
Psychroserpens is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Psychroserpens derives from: Greek adjective psychros (ψυχρός), cold; Latin masculine gender or feminine gender noun serpens, serpent; New Latin masculine gender noun Psychroserpens, cold serpent.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * P. burtonensis ( Bowman et al. 1997, (Type species of the genus).; New Latin masculine gender adjective burtonensis, pertaining to Burton Lake, Antarctica, the body of water from where the organism was first isolated.)
 * P. mesophilus ( Kwon et al. 2006, ; Greek adjective mesos, middle; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective mesophilus, middle (temperature)-loving, mesophilic.)

Psychrosphaera
Psychrosphaera is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Psychrosphaera derives from: Greek adjective psychros (ψυχρός), cold; Latin feminine gender noun sphaera, sphere; New Latin feminine gender noun Psychrosphaera, a cold sphere.

Species
The genus contains a single species, namely P. saromensis ( Park et al. 2011, (Type species of the genus).; New Latin feminine gender adjective saromensis, of or belonging to Lake Saroma, where organisms were collected.)

Pullulanibacillus
Pullulanibacillus is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Pullulanibacillus derives from:
 * New Latin noun pullulanum, pullulan; Latin masculine gender noun bacillus, a small staff; New Latin masculine gender noun Pullulanibacillus, a small staff hydrolysing pullulan.

Species
The genus contains a single species, namely P. naganoensis ( (Tomimura et al. 1990) Hatayama et al. 2006, (Type species of the genus).;: New Latin masculine gender adjective naganoensis, of Nagano, a Japanese Prefecture.)

Puniceicoccus
Puniceicoccus is a genus in the phylum Verrucomicrobia (Bacteria).

Etymology
The name Puniceicoccus derives from:
 * Latin adjective puniceus, pinkish red; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος)), a berry; New Latin masculine gender noun Puniceicoccus, a pinkish-red-coloured coccus.

Species
The genus contains a single species, namely P. vermicola ( Choo et al. 2007, (Type species of the genus).;: Latin noun vermis, worm; Latin suff. -cola (from Latin noun incola), inhabitant; New Latin noun vermicola, inhabitant of worms.)

Pusillimonas
Pusillimonas is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pusillimonas derives from: Latin adjective pusillus, very small, minute; Latin feminine gender noun monas (μονάς / μονάδα), unit, monad; New Latin feminine gender noun Pusillimonas, very small monad, referring to the small size of cells and colonies of the type species.

Members of the genus Pusillimonas can be referred to as pusillimonad (viz. Trivialisation of names).

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * P. ginsengisoli ( Srinivasan et al. 2010, ; New Latin noun ginsengum, ginseng; Latin noun solum -i, soil; New Latin genitive case noun ginsengisoli, of soil of a ginseng field, the source of the type strain.)
 * P. noertemannii ( Stolz et al. 2005, (Type species of the genus).; New Latin genitive case noun noertemannii, of N&ouml;rtemann, in honour of Bernd N&ouml;rtemann, who isolated this and various other bacterial strains that had extraordinary degradative abilities.)
 * P. soli ( Lee et al. 2010, ; Latin genitive case noun soli, of soil, the source of the type strain.)

Pyramidobacter
Pyramidobacter is a genus in the phylum Synergistetes (Bacteria).

Etymology
The name Pyramidobacter derives from: Greek noun puramis -idos, pyramid; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, a rod; New Latin masculine gender noun Pyramidobacter, a rod that forms pyramid-like colonies.

Species
The genus contains a single species, namely P. piscolens ( Downes et al. 2009, (Type species of the genus).; Latin noun piscis -is, fish; Latin participle adjective olens, smelling; New Latin participle adjective piscolens, smelling of fish.)

Pyrobaculum
Pyrobaculum is a genus in the phylum Crenarchaeota (Archaea).

Etymology
The name Pyrobaculum derives from: Greek noun pur, fire; Latin neuter gender noun baculum, stick; New Latin neuter gender noun Pyrobaculum, the fire stick.

Species
The genus contains 6 species (including basonyms and synonyms), namely
 * P. aerophilum ( V&ouml;lkl et al. 1996 (complete authorship reads: V&ouml;lkl, Huber and Stetter in V&ouml;lkl, Huber, Drobner, Rachel, Burggraf, Trincone and Stetter), ; Greek noun aer, aeros (ἀήρ, ἀέρος), air; New Latin neuter gender adjective philum (from Greek neuter gender adjective philon (φίλον)), friend, loving; New Latin neuter gender adjective aerophilum, air-loving, because of its ability to use oxygen for growth in contrast to all other described species of the genus Pyrobaculum.)
 * P. arsenaticum ( Huber et al. 2001, ; New Latin noun arsenas -atis, arsenate; Latin neuter gender suff. -icum, suffix used with the sense of pertaining to; New Latin neuter gender adjective arsenaticum, pertaining to arsenate, able to respire arsenate.)
 * P. calidifontis ( Amo et al. 2008, ; Latin adjective calidus, hot; Latin noun fons fontis, spring, fountain; New Latin genitive case noun calidifontis, of a hot spring.)
 * P. islandicum ( Huber et al. 1988, (Type species of the genus).; New Latin neuter gender adjective islandicum, of Iceland, describing the place of its first isolation.)
 * P. oguniense ( Sako et al. 2001, ; New Latin neuter gender adjective oguniense, pertaining to Oguni-cho, which is the town of the Tuetate hot spring (a slightly alkaliphilic terrestrial hot spring in Oguni cho, Kumamoto Prefecture, Japan).)
 * P. organotrophum ( Huber et al. 1988, ; New Latin adjective organicus (from Greek adjective organikos, of or pertaining to an organ), pertaining to organic chemical compounds; Greek masculine gender noun trophos, feeder, rearer, that which nourishes; New Latin neuter gender adjective organotrophum, feeding on organic material.)

Pyrococcus
Pyrococcus is a genus in the phylum Euryarchaeota (Archaea).

Etymology
The name Pyrococcus derives from: Greek noun pur, fire; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος), grain, seed), coccus, berry; New Latin masculine gender noun Pyrococcus, fireball

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * P. furiosus ( Fiala and Stetter 1986, (Type species of the genus).; Latin masculine gender adjective furiosus, furious, raging.)
 * P. glycovorans ( Barbier et al. 1999, ; Greek adjective glukus, sweet, referring to glucose; Latin participle adjective vorans, devouring, eating, devouring; New Latin participle adjective glycovorans, eating glucose.)
 * P. horikoshii ( Gonz&aacute;lez et al. 1999 (complete authorship reads Gonz&aacute;lez, Robb and Kato), ; New Latin genitive case masculine gender noun horikoshii, of Horikoshi, named to honor Dr.K. Horikoshi.)
 * P. woesei ( Zillig 1988, ; New Latin genitive case masculine gender noun woesei, of Woese; named for C.R. Woese, who recognized Archaea and their testimony for phylogeny.)

Pyrodictium
Pyrodictium is a genus in the phylum Crenarchaeota (Archaea).

Etymology
The name Pyrodictium derives from: Greek noun pur, fire; Greek neuter gender noun dikt&ucirc;on, lattice-work, network; New Latin neuter gender noun Pyrodictium, fire-loving network.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * P. abyssi ( Pley and Stetter 1991, ; Latin genitive case noun abyssi, of an abyss, living at great depth within the oceans.)
 * P. brockii ( Stetter et al. 1984, ; New Latin genitive case masculine gender noun brockii, of Brock; named for T. D. Brock for his pioneering work on the extreme thermophiles.)
 * P. occultum ( Stetter et al. 1984, (Type species of the genus).; Latin neuter gender adjective occultum, hidden, concealed, secret, indicating the invisibility of the network in the phase-contrast microscope.)

Pyrolobus
Pyrolobus is a genus in the phylum Crenarchaeota (Archaea).

Etymology
The name Pyrolobus derives from: Greek noun pur, fire; Latin masculine gender noun lobus, lobe; New Latin masculine gender noun Pyrolobus, the &ldquo;fire lobe&rdquo; (the hyperthermophilic lobe).

Species
The genus contains a single species, namely P. fumarii ( Bl&ouml;chl et al. 1999, (Type species of the genus).; Latin genitive case noun fumarii, of a chimney, referring to its black smoker habitat.)

Pyxidicoccus
Pyxidicoccus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Pyxidicoccus derives from: Latin noun pyxis -idis, box, case, container; Greek masculine gender noun kokkos (κόκκος), berry; New Latin masculine gender noun Pyxidicoccus, boxed coccus.

Species
The genus contains a single species, namely P. fallax ( corrig. Reichenbach 2007, (Type species of the genus).; Latin masculine gender adjective fallax, deceptive.)

Quadrisphaera
Quadrisphaera is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Quadrisphaera derives from: Latin pref. numer. adjective quadr-, four; Latin feminine gender noun sphaera, a ball, globe, sphere; New Latin feminine gender noun quadrisphaera, fourfold balls, coccus in tetrad.

Species
The genus contains a single species, namely Q. granulorum ( Maszenan et al. 2005, (Type species of the genus).; Latin genitive case pl. noun granulorum, from, or of granules.)

Quatrionicoccus
Quatrionicoccus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Quatrionicoccus derives from:
 * Latin masculine gender noun quatrio -onis, the number four; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος), grain, seed), coccus; New Latin masculine gender noun Quatrionicoccus, four spherical cells.

Species
The genus contains a single species, namely Q. australiensis ( (Maszenan et al. 2002) Tindall and Euz&eacute;by 2006, (Type species of the genus).;: New Latin masculine gender adjective australiensis, of Australia, where the isolate originated.)

Quinella
Quinella is a genus in the phylum Firmicutes (Bacteria).

Etymology
The name Quinella derives from: New Latin feminine gender dim. noun Quinella, named after the pioneering ruminologist, J.I. Quin, who described the organism in some detail (Quin, 1943).

Species
The genus contains a single species, namely Q. ovalis ( Krumholz et al. 1993, (Type species of the genus).; Latin feminine gender adjective ovalis, pertaining to an egg, egg-shaped.)

Rahnella
Rahnella is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Rahnella derives from: New Latin feminine gender dim. noun Rahnella, named after Otto Rahn, the German-American microbiologist and who proposed the name Enterobacteriaceae in 1937.

Species
The genus contains a single species, namely R. aquatilis ( Izard et al. 1981, (Type species of the genus).; Latin feminine gender adjective aquatilis, living, growing, or found in water, aquatic.)

Ralstonia
Ralstonia is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Ralstonia derives from: New Latin feminine gender dim. noun Ralstonia, named after E. Ralston, the American bacteriologist who first described Pseudomonas pickettii.

Species
The genus contains 14 species (including basonyms and synonyms), namely
 * R. basilensis ( Steinle et al. 1999, ; New Latin feminine gender adjectivebasilensis pertaining to Basilea, the Roman name of Basel, Switzerland, where the strain was isolated.)
 * R. campinensis ( Goris et al. 2001, ; New Latin feminine gender adjective campinensis, of the Kempen or Campine, the geographical region of north-east Belgium where the strains were originally isolated.)
 * R. eutropha ( (Davis 1969) Yabuuchi et al. 1996, ; Greek prep. eu, good; Greek noun trophos, feeder; New Latin feminine gender adjective eutropha, well nourished.)
 * R. gilardii ( Coenye et al. 1999, ; New Latin genitive case masculine gender noun gilardii, in honour of G. Latin Gilardi, an American microbiologist.)
 * R. insidiosa ( Coenye et al. 2003, ; Latin feminine gender adjective insidiosa, deceitful, dangerous, referring to the fact that these seemingly harmless environmental organisms can be isolated from, and possibly cause infections in, humans.)
 * R. mannitolilytica ( corrig. De Baere et al. 2001, ; New Latin noun mannitolum, mannitol; New Latin feminine gender adjective lytica (from Greek feminine gender adjective lutikē), able to loose, able to dissolve; New Latin feminine gender adjective mannitolilytica, cleaving mannitol.)
 * R. metallidurans ( Goris et al. 2001, ; Latin noun metallum, metal; Latin participle adjective durans, enduring; New Latin participle adjective metallidurans, enduring metal, from the fact that these strains are able to survive high heavy-metal concentrations.)
 * R. oxalatica ( (ex Khambata and Bhat 1953) Sahin et al. 2000, nom. rev., ; New Latin noun oxalatum, oxalate; Latin feminine gender suff. -ica, suffix used with the sense of pertaining to; New Latin feminine gender adjective oxalatica, pertaining to oxalate.)
 * R. paucula ( Vandamme et al. 1999, ; Latin feminine gender adjective paucula, rare, very few, to indicate that these strains only cause human infections sporadically.)
 * R. pickettii ( (Ralston et al. 1973) Yabuuchi et al. 1996, (Type species of the genus).; New Latin genitive case masculine gender noun pickettii, of Pickett; named after M.J. Pickett.)
 * R. respiraculi ( Coenye et al. 2003, ; Latin noun respiraculum, breathing, respiration; Latin genitive case noun respiraculi, of breathing, of the respiratory system.)
 * R. solanacearum ( (Smith 1896) Yabuuchi et al. 1996, ; New Latin feminine gender pl. noun Solanaceae, the nightshade family; New Latin feminine gender pl. genitive case noun solanacearum, of the Solanaceae.)
 * R. syzygii ( (Roberts et al. 1990) Vaneechoutte et al. 2004, ; New Latin noun Syzygium, generic name of the clove tree; Latin genitive case noun syzygii, of the genus Syzygium.)
 * R. taiwanensis ( Chen et al. 2001, ; New Latin feminine gender adjective taiwanensis, referring to Taiwan, where the root nodule strains were isolated.)

Ramlibacter
Ramlibacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Ramlibacter derives from: New Latin noun ramlis (from Arabic raml), sand; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Ramlibacter, rod isolated from sandy soil.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * R. henchirensis ( Heulin et al. 2003, ; New Latin adjective masculine gender henchirensis, from Arabic henchir boundary stones.)
 * R. tataouinensis ( Heulin et al. 2003, (Type species of the genus).; New Latin masculine gender adjective tataouinensis, pertaining to Tataouine, Tunisia.)

Raoultella
Raoultella is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Raoultella derives from: New Latin feminine gender dim. noun Raoultella, named after the French bacteriologist Didier Raoult, Universit&eacute; de la M&eacute;diterran&eacute;e, Marseille, France.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * R. ornithinolytica ( (Sakazaki et al. 1989) Drancourt et al. 2001, ; New Latin ornithinum, ornithine, an amino acid; New Latin feminine gender adjective lytica (from Greek feminine gender adjective lutikē), able to loose, able to dissolve; New Latin feminine gender adjective ornithinolytica, ornithine dissolving.)
 * R. planticola ( (Bagley et al. 1982) Drancourt et al. 2001, (Type species of the genus).; Latin feminine gender noun planta, any vegetable production that serves to propagate the species, a young plant, a plant; Latin suff. -cola (from Latin noun incola), dweller; New Latin noun planticola, plant-dweller.)
 * R. terrigena ( (Izard et al. 1981) Drancourt et al. 2001, ; Latin masculine gender or feminine gender noun terrigena, child of the earth, referring to the isolation from soil.)

Rapidithrix
Rapidithrix is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Rapidithrix derives from: Latin adjective rapidus, rapid; Greek noun thrix, hair; New Latin feminine gender noun Rapidithrix, rapidly moving hair.

Species
The genus contains a single species, namely R. thailandica ( Srisukchayakul et al. 2007, (Type species of the genus).; New Latin feminine gender adjective thailandica, pertaining to Thailand, from where the organisms were isolated.)

Rarobacter
Rarobacter is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Rarobacter derives from:
 * Latin adjective rarus, rare,extraordinary, remarkable, curious; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, a rod; New Latin masculine gender noun rarobacter, curious rod.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * R. faecitabidus ( Yamamoto et al. 1988, (Type species of the genus).;: L .noun faex faecis, dreg; Latin adjective tabidus, dissolving; New Latin masculine genderadjective faecitabidus, dreg dissolving.)
 * R. incanus ( Yamamoto et al. 1994, ;: Latin masculine gender adjective incanus, grayish white.)

Rathayibacter
Rathayibacter is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Rathayibacter derives from: New Latin noun Rathaya, Rathay, referring to E. Rathay, Australian plant pathologist who first isolated strains of the genus; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Rathayibacter, a rod isolated by Rathay.

Species
The genus contains 6 species (including basonyms and synonyms), namely
 * R. caricis ( Dorofeeva et al. 2002, ; Latin noun carex, sedge; Latin genitive case noun caricis, of sedge, where the type strain of this species was found.)
 * R. festucae ( Dorofeeva et al. 2002, ; New Latin genitive case noun festucae, of/from Festuca, generic name of fescue, a host plant of this species.)
 * R. iranicus ( (Carlson and Vidaver 1982) Zgurskaya et al. 1993, ; New Latin masculine gender adjective iranicus, of or belonging to Iran.)
 * R. rathayi ( (Smith 1913) Zgurskaya et al. 1993, (Type species of the genus).; New Latin genitive case masculine gender noun rathayi, of Rathay, named for E. Rathay, an Australian plant pathologist, who first isolated the organism.)
 * R. toxicus ( (Riley and Ophel 1992) Sasaki et al. 1998, ; The etymology provided by Riley and Ophel 1992 is the following: Latin m. toxicus (sic), poison. )
 * R. tritici ( (Carlson and Vidaver 1982) Zgurskaya et al. 1993, ; Latin noun triticum, wheat, and also the generic name of wheat (Triticum); Latin genitive case noun tritici, of wheat, of Triticum.)

Reichenbachiella
Reichenbachiella is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Reichenbachiella derives from: New Latin feminine gender dim. noun Reichenbachiella, named in honour of Hans Reichenbach, a German microbiologist who has made a great contribution to the taxonomy of bacteria belonging to the phylum &quot;Bacteroidetes&quot;.

Species
The genus contains a single species, namely R. agariperforans ( (Nedashkovskaya et al. 2003) Nedashkovskaya et al. 2005, (Type species of the genus).; New Latin noun agarum, agar; Latin participle adjective perforans, perforating, making holes; New Latin participle adjective agariperforans, making holes in agar, i.e. bacterium making deep hollows in agar.)

Reinekea
Reinekea is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Reinekea derives from: New Latin feminine gender noun Reinekea derived from Reineke, geographical name of Reineke Island, Peter the Great Bay, Sea of Japan, Russia, the place where the bacterium was first isolated.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * R. aestuarii ( Choi and Cho 2010, ; Latin genitive case noun aestuarii, of a tidal flat.)
 * R. blandensis ( Pinhassi et al. 2007, ; Latin feminine gender adjective blandensis, pertaining to Blande or Blanda, the name the Romans used for the city of Blanes, which has given its name to the Bay of Blanes, where the type strain was isolated.)
 * R. marinisedimentorum ( Romanenko et al. 2004, (Type species of the genus).; Latin adjective marinus, of or belonging to the sea, marine; Latin neuter gender noun sedimentum, settling, sediment; New Latin genitive case pl. noun marinisedimentorum, of marine sediments.)

Renibacterium
Renibacterium is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Renibacterium derives from: Latin pl. noun renes, the kidneys; Latin neuter gender noun bacterium, a rod; New Latin neuter gender noun Renibacterium, kidney bacterium.

Species
The genus contains a single species, namely R. salmoninarum ( Sanders and Fryer 1980, (Type species of the genus).; New Latin pl. noun salmoninae, subfamily of the Salmonidae; New Latin genitive case pl. noun salmoninarum, of the Salmoninae.)

Rhabdochromatium
Rhabdochromatium is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Rhabdochromatium derives from:
 * Greek noun rhabdos (ῥάβδος), a rod; Greek noun chrōma -atos, color; New Latin neuter gender noun Rhabdochromatium, colored rod.

Species
The genus contains a single species, namely R. marinum ( Dilling et al. 1996, (Type species of the genus).;: Latin neuter gender adjective marinum, of the sea, marine.)

Rheinheimera
Rheinheimera is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Rheinheimera derives from: New Latin feminine gender noun Rheinheimera, named after the German marine microbiologist Gerhard Rheinheimer, in recognition of his work on marine and estuarine bacteria.

Species
The genus contains 10 species (including basonyms and synonyms), namely
 * R. aquatica ( Chen et al. 2011, ; Latin feminine gender adjective aquatica, living, growing, or found in water, aquatic.)
 * R. aquimaris ( Yoon et al. 2007, ; Latin noun aqua, water; Latin genitive case noun maris, of the sea; New Latin genitive case noun aquimaris, of the water of the sea.)
 * R. baltica ( Brettar et al. 2002, (Type species of the genus).; New Latin feminine gender adjective baltica, pertaining to the Baltic Sea, referring to the source of the type strain.)
 * R. chironomi ( Halpern et al. 2007, ; New Latin genitive case noun chironomi, of Chironomus, named after the non-biting midge insect from the genus Chironomus (Diptera; Chironomidae) from which the type strain was isolated.)
 * R. nanhaiensis ( Li et al. 2011, ; New Latin feminine gender adjective nanhaiensis, of or pertaining to NanHai, the Chinese name for the South China Sea, where the type strain was isolated.)
 * R. pacifica ( Romanenko et al. 2003, ; Latin feminine gender adjective pacifica, from the Pacific Ocean, pertaining to the Pacific Ocean sea-water sample from which the type strain was isolated.)
 * R. perlucida ( Brettar et al. 2006, ; Latin feminine gender adjective perlucida, transparent, referring to the transparent and colourless colonies, to distinguish Rheinheimera perlucida from the type species Rheinheimera baltica, which forms blue-coloured colonies.)
 * R. soli ( Ryu et al. 2008, ; Latin neuter gender genitive case noun soli, of soil, the source of the type strain.)
 * R. tangshanensis ( Zhang et al. 2008, ; New Latin feminine gender adjective tangshanensis, pertaining to Tangshan, a city in Hebei Province, PR China, where the type strain was collected.)
 * R. texasensis ( Merchant et al. 2007, ; New Latin feminine gender adjective texasensis, pertaining to Texas, the location from which the organism was first isolated.)

Rhizobacter
Rhizobacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Rhizobacter derives from:
 * Greek noun rhiza, a root; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod, staff; New Latin masculine gender noun Rhizobacter, root rod.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * R. dauci ( corrig. Goto and Kuwata 1988, (Type species of the genus).;: Latin noun daucus, a kind of carrot, and also the generic name of carrot (Daucus); Latin masculine gender genitive case noun dauci, of the carrot, host plant.)
 * R. fulvus ( (Yoon et al. 2007) Stackebrandt et al. 2009, ; Latin masculine gender adjective fulvus, deep yellow, gold-coloured.)

Rhizobium
Rhizobium is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Rhizobium derives from: Greek noun rhiza, a root; Greek masculine gender noun bios (βίος), life; New Latin neuter gender noun Rhizobium, that which lives in a root.

Species
The genus contains 50 species (including basonyms and synonyms), namely
 * R. aggregatum ( (Hirsch and M&uuml;ller 1986) Kaur et al. 2011, ; Latin neuter gender participle adjective aggregatum, added to, joined together, referring to the frequent formation of rosettes.)
 * R. alamii ( Berge et al. 2009, ; New Latin genitive case masculine gender noun alamii, of Alami, named in honour of Younes Alami, who isolated strain YAS34 and demonstrated its effect on non-legume plant growth.)
 * R. alkalisoli ( Lu et al. 2009, ; New Latin noun alkali (from Arabic al-qaliy), alkali; Latin noun solum, soil; New Latin genitive case noun alkalisoli, of alkaline soil, referring to the fact that the bacterium was isolated from Caragana intermedia grown in saline-alkali soil.)
 * R. borbori ( Zhang et al. 2011, ; Greek noun borboros, sludge; New Latin genitive case noun borbori, of sludge.)
 * R. cellulosilyticum ( Garc&iacute;a-Fraile et al. 2007, ;: New Latin noun cellulosum, cellulose; New Latin adjective lyticus -a -um (from Greek adjective lutikos (λυτικός) -ē -on), able to loose, able to dissolve; New Latin neuter gender adjective cellulosilyticum, cellulose-dissolving.)
 * R. ciceri ( Nour et al. 1994, ; Latin noun cicer -eris, the chickpea, and also a botanical generic name; Latin genitive case noun ciceri, of Cicer.)
 * R. daejeonense ( Quan et al. 2005, ; New Latin neuter gender adjective daejeonense, pertaining to Daejeon, a city in Korea, where the type strain was isolated.)
 * R. endophyticum ( L&oacute;pez-L&oacute;pez et al. 2011, ; Greek pref. endo, within; Greek phuton, plant; Latin neuter gender suff. -icum, adjectival suffix used with the sense of belonging to; New Latin neuter gender adjective endophyticum, within plant, endophytic, pertaining to the isolation of the type strain from plant tissues.)
 * R. etli ( Segovia et al. 1993, ; New Latin genitive case noun etli (from Nahuatl noun etl, bean), of bean.)
 * R. fabae ( Tian et al. 2008, ; Latin genitive case noun fabae, of a bean, referring to the isolation of the first strains from broad bean or fava bean (Vicia faba).)
 * R. fredii ( Scholla and Elkan 1984, ; New Latin genitive case noun fredii, of Fred, named after of E.B. Fred.)
 * R. galegae ( Lindstr&ouml;m 1989, ; New Latin genitive case noun galegae, of Galega, a genus of leguminous plants.)
 * R. gallicum ( Amarger et al. 1997, ; Latin neuter gender adjective gallicum, pertaining to Gallia; the country of origin, France.)
 * R. giardinii ( Amarger et al. 1997, ; New Latin genitive case masculine gender noun giardinii, of Giardini, a Brazilian microbiologist who isolated the organism.)
 * R. hainanense ( Chen et al. 1997, ; New Latin neuter gender adjective hainanense, pertaining to Hainan Province in China.)
 * R. huakuii ( Chen et al. 1991, ; New Latin genitive case noun huakuii, of Huakui, named in honor of Huakui Chen, a Chinese professor of soil microbiology, who is the pioneer in investigating the microsymbionts isolated from Astragalus sinicus.)
 * R. huautlense ( Wang et al. 1998, ; New Latin neuter gender adjective huautlense, pertaining to Huautla, the region in Mexico where the organisms were isolated.)
 * R. indigoferae ( Wei et al. 2002, ; New Latin genitive case noun indigoferae, of Indigofera, a genus of leguminous plants, referring to the host from which the bacterium was isolated.)
 * R. japonicum ( (Kirchner 1896) Buchanan 1926, species.; New Latin neuter gender adjective japonicum, pertaining to Japan.)
 * R. larrymoorei ( (Bouzar and Jones 2001) Young 2004, ; New Latin genitive case noun larrymoorei, named in honour of Larry Moore, renowned plant pathologist who spent his career studying the genus Agrobacterium.)
 * R. leguminosarum ( (Frank 1879) Frank 1889, species. (Type species of the genus).; Latin genitive case pl. noun leguminosarum, of Leguminosae (the former systematic family name of the legumes).)
 * R. loessense ( Wei et al. 2003, ; New Latin neuter gender adjective loessense, referring to the Loess Plateau of China, where the bacterium was isolated.)
 * R. loti ( Jarvis et al. 1982, ; Latin noun Lotus, the name of several plants and also the generic name of leguminous plants (Lotus); Latin genitive case noun loti, of Lotus.)
 * R. lupini ( (Schroeter 1886) Eckhardt et al. 1931, species.; New Latin noun Lupinus, generic name of lupine; New Latin genitive case noun lupini, of Lupinus.)
 * R. lusitanum ( Valverde et al. 2006, ;: Latin neuter gender adjective lusitanum, of Lusitania, the Roman name of Portugal, where the strains reported in this study were isolated.)
 * R. mediterraneum ( Nour et al. 1995, ; Latin neuter gender adjective mediterraneum, midland, inland, remote from the sea, mediterranean (opp. to maritimus), and, in late Latin, used to refer to the Mediterranean Sea (Mediterraneum mare).)
 * R. meliloti ( Dangeard 1926, species.; New Latin noun Melilotus, generic name of sweet clover; New Latin genitive case noun meliloti, of Melilotus.)
 * R. mesosinicum ( Lin et al. 2009, ; Greek adjective mesos, middle; New Latin neuter gender adjective sinicum, belonging to China; New Latin neuter gender adjective mesosinicum, pertaining to central China, referring to the location of isolation of the first strains.)
 * R. miluonense ( Gu et al. 2008, ; New Latin feminine gender adjective miluonense, pertaining to the Miluo River, a famous river located in Hunan Province, where the bacterium was isolated.)
 * R. mongolense ( Van Berkum et al. 1998, ; New Latin neuter gender adjective mongolense, pertaining to Inner Mongolia, the region where the bacteria were isolated.)
 * R. multihospitium ( Han et al. 2008, ; Latin adjective multus, many, numerous; Latin noun hospes -itis, he who entertains a stranger, a host; New Latin genitive case pl. noun multihospitium, of numerous hosts, referring to the isolation of the bacterium from various legume species.)
 * R. oryzae ( Peng et al. 2008, ; Latin genitive case noun oryzae, of rice, the origin of the first strains.)
 * R. phaseoli ( Dangeard 1926, species.; Latin genitive case noun phaseoli, of bean, isolated from effective nodules of Phaseolus vulgaris.)
 * R. pisi ( Ram&iacute;rez-Bahena et al. 2008, ; Latin genitive case neuter gender noun pisi, of the pea, referring to the isolation source of this micro-organism, nodules of Pisum sativum.)
 * R. radiobacter ( (Beijerinck and van Delden 1902) Young et al. 2001, ; Latin noun radius, a beam or ray; New Latin pref. radio-, pertaining to radiation; New Latin noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, a rod, staff; New Latin noun radiobacter, ray rod.)
 * R. rhizogenes ( (Riker et al. 1930) Young et al. 2001, ; Greek noun rhiza, root; New Latin suff. -genes (from Greek v. gennaō (γεννάω), to produce), producing; New Latin participle adjective rhizogenes, root-producing.)
 * R. rosettiformans ( Kaur et al. 2011, ; New Latin noun rosetta (from Latin noun rosa, rose), rosette; Latin participle adjective formans, forming; New Latin participle adjective rosettiformans, rosette-forming, referring to the ability of the organism to form rosette-shaped structures.)
 * R. rubi ( (Hildebrand 1940) Young et al. 2001, ; Latin noun rubus, a blackberry, and also the generic name of blackberry (Rubus); Latin genitive case noun rubi, of blackberry, of Rubus.)
 * R. selenitireducens ( corrig. Hunter et al. 2008, ; New Latin noun selenis -itis, selenite; Latin participle adjective reducens, converting to a different state; New Latin participle adjective selenitireducens, selenite reducing, referring to the organism&#39;s ability to reduce the selenium oxyanion selenite to elemental selenium.)
 * R. soli ( Yoon et al. 2010, ; Latin genitive case noun soli, of soil.)
 * R. sullae ( Squartini et al. 2002, ; New Latin genitive case noun sullae, of sulla, the common Italian name of Hedysarum coronarium, the host plant.)
 * R. tianshanense ( Chen et al. 1995, ; New Latin neuter gender adjective tianshanense, pertaining to the Tianshan Mountains in the Xingjiang region of the People&#39; s Republic of China, where strains were isolated.)
 * R. tibeticum ( Hou et al. 2009, ; New Latin neuter gender adjective tibeticum of or pertaining to Tibet, referring to the isolation of the first strains from Tibet, China.)
 * R. trifolii ( Dangeard 1926, species.; Latin noun trifolium, clover, trefoil, and also the generic name of clover (Trifolium); Latin genitive case noun trifolii, of clover, of Trifolium.)
 * R. tropici ( Mart&iacute;nez-Romero et al. 1991, ; New Latin genitive case noun tropici (from Latin adjective tropicus, tropical), of the tropic (of Cancer).)
 * R. tubonense ( Zhang et al. 2011, ; New Latin neuter gender adjective tubonense, pertaining to the ancient name &quot;Tubo&quot; of Tibet, where the bacterium was isolated.)
 * R. undicola ( (de Lajudie et al. 1998) Young et al. 2001, ; Latin noun unda, water; Latin suff. -cola (from Latin noun incola) dweller; New Latin noun undicola, water dweller, referring to the isolation of these strains from nodules of the aquatic plant Neptunia natans.)
 * R. vignae ( Ren et al. 2011, ; New Latin genitive case noun vignae, of Vigna, referring to the fact that the majority of strains were isolated from the mung bean, Vigna radiata.)
 * R. vitis ( (Ophel and Kerr 1990) Young et al. 2001, ; Latin feminine gender noun vitis, wine plant; Latin genitive case feminine gender noun vitis, of the wine plant.)
 * R. yanglingense ( Tan et al. 2001, ; New Latin neuter gender adjective yanglingense, pertaining to Yangling a town in Shiaanxi province of China, where the majority of strains within this species were isolated.)

Rhizomicrobium
Rhizomicrobium is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Rhizomicrobium derives from: Greek noun rhiza, a root; New Latin neuter gender noun microbium, a microbe; New Latin neuter gender noun Rhizomicrobium, microbe living in a root or rhizosphere.

Species
The genus contains a single species, namely R. palustre ( Ueki et al. 2010, (Type species of the genus).; Latin neuter gender adjective palustre, marshy, swamp-inhabiting.)

Rhizomonas
Rhizomonas is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Rhizomonas derives from:
 * Greek noun rhiza, a root; Greek feminine gender noun monas (μονάς / μονάδα), nominally meaning "a unit", but in effect meaning a bacterium; New Latin feminine gender noun Rhizomonas, a unit associated with roots.

Members of the genus Rhizomonas can be referred to as rhizomonad (viz. Trivialisation of names).

Species
The genus contains a single species, namely R. suberifaciens ( van Bruggen et al. 1990, (Type species of the genus).;: Latin noun suber -eris, cork; Latin participle adjective faciens, making, producing; New Latin participle adjective suberifaciens, cork making.)

Rhodanobacter
Rhodanobacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Rhodanobacter derives from: Latin noun Rhodanus, River Rhōne; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, a rod; New Latin masculine gender noun Rhodanobacter, rod isolated close to the River Rhōne.

Species
The genus contains 8 species (including basonyms and synonyms), namely
 * R. fulvus ( Im et al. 2005, ; Latin masculine gender adjective fulvus, deep yellow, reddish yellow, gold-colored.)
 * R. ginsengisoli ( Weon et al. 2007, ; New Latin noun ginsengum, ginseng; Latin noun solum, soil; New Latin genitive case noun ginsengisoli, of soil from a ginseng field, the source of the type strain.)
 * R. ginsenosidimutans ( An et al. 2009, ; New Latin noun ginsenosidum, ginsenoside; Latin participle adjective mutans, transforming, converting; New Latin participle adjective ginsenosidimutans, ginsenoside-converting.)
 * R. lindaniclasticus ( Nalin et al. 1999, (Type species of the genus).; New Latin noun lindanun, lindane, French commercial name of &gamma;-HCH; New Latin adjective clasticus -a -um (from Greek adjective klastos -ē -on, broken in pieces), breaking; New Latin masculine gender adjective lindaniclasticus, lindane-breaking.)
 * R. soli ( Bui et al. 2010, ; Latin genitive case noun soli, of soil, the source of the type strain.)
 * R. spathiphylli ( De Clercq et al. 2006, ; New Latin genitive case noun spathiphylli, of Spathiphyllum, referring to the isolation source of the first strains, the rhizosphere of Spathiphyllum plants.)
 * R. terrae ( Weon et al. 2007, ; Latin genitive case noun terrae, of the earth.)
 * R. thiooxydans ( Lee et al. 2007, ; Greek noun theion (θέω) (Latin transliteration thium), sulfur; Greek adjective oxus, sharp, acid; New Latin v. oxydo, to make acid, to oxidize; New Latin participle adjective thiooxydans, oxidizing sulfur.)

Rhodobaca
Rhodobaca is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Rhodobaca derives from:
 * Greek noun rhodon (ῥόδον), rose; Latin feminine gender noun baca, berry; New Latin feminine gender noun Rhodobaca, red (rose) berry.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * R. barguzinensis ( Boldareva et al. 2009, ; New Latin feminine gender adjective barguzinensis, pertaining to Barguzin Valley (discovered in the Barguzin Valley).)
 * R. bogoriensis ( Milford et al. 2001, (Type species of the genus).;: New Latin feminine gender adjective bogoriensis, pertaining to Lake Bogoria, a soda lake in Kenya, Africa.)

Rhodobacter
Rhodobacter is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Rhodobacter derives from: Greek noun rhodon (ῥόδον), rose; New Latin masculine gender noun, a rodbacter, nominally meaning "a rod", but in effect meaning a bacterium, rod; New Latin masculine gender noun Rhodobacter, red-colored rod.

Species
The genus contains 16 species (including basonyms and synonyms), namely
 * R. adriaticus ( (Neutzling et al. 1984) Imhoff et al. 1984, ;: Latin masculine gender adjective adriaticus, pertaining to the Adriatic Sea.)
 * R. aestuarii ( Venkata Ramana et al. 2009, ; Latin genitive case noun aestuarii, of the estuary, the environment from which the type strain was isolated.)
 * R. azotoformans ( Hiraishi et al. 1997, ; New Latin noun azotum [from Fr. noun azote (from Greek prep. a, not; Greek noun zōē, life; N.Greek noun azōē, not sustaining life)], nitrogen; New Latin pref. azo-, pertaining to nitrogen; Latin participle adjective formans, forming; New Latin participle adjective azotoformans, nitrogen forming.)
 * R. blasticus ( corrig. (Eckersley and Dow 1981) Kawasaki et al. 1994, ; Greek adjective blastikos -ē -on, budding, sprouting; New Latin masculine gender adjective blasticus, budding, apt to bud.)
 * R. capsulatus ( (Molisch 1907) Imhoff et al. 1984, (Type species of the genus).; Latin noun capsula, a small box or chest; Latin masculine gender suff. -atus, suffix denoting provided with; New Latin masculine gender adjective capsulatus, with a chest, capsuled.)
 * R. changlensis ( Anil Kumar et al. 2007, ; New Latin masculine gender adjective changlensis, pertaining to Changla Pass, the location from where the type strain was isolated.)
 * R. euryhalinus ( Kompantseva 1989, ;: Greek adjective eurus, wide, broad; Greek noun hals, halos (ἅλς, ἁλός), salt; Latin suff. -inus -a -um, suffix used with the sense of belonging to; New Latin masculine gender adjective euryhalinus, living in a wide range of salinity.)
 * R. johrii ( Girija et al. 2010, ; New Latin masculine gender genitive case noun johrii, of Johri, named after B. N. Johri, an eminent and well-known Indian microbiologist.)
 * R. maris ( Venkata Ramana et al. 2008, ; Latin genitive case noun maris, of the sea, pertaining to the habitat from which the type strain was isolated.)
 * R. massiliensis ( Greub and Raoult 2006, ; Latin masculine gender adjective massiliensis, pertaining to Massilia, the Latin name of Marseille, where the organism was isolated.)
 * R. megalophilus ( Arunasri et al. 2008, ; Greek adjective megas, wide; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective megalophilus, wide (temperature)-loving.)
 * R. ovatus ( Srinivas et al. 2008, ; Latin masculine gender adjective ovatus, egg-shaped, ovate.)
 * R. sphaeroides ( (van Niel 1944) Imhoff et al. 1984, ; Latin noun sphaera, sphere, globe; Latin suff. -oides (from Greek suff. -eides, from Greek noun eidos, that which is seen, form, shape, figure), ressembling, similar; New Latin masculine gender adjective sphaeroides, spherical.)
 * R. sulfidophilus ( (Hansen and Veldkamp 1973) Imhoff et al. 1984, ;: New Latin noun sulfidum, sulfide; New Latin masculine gender adjective philus (from Greek masculine gender adjective φίλος), friend, loving; New Latin masculine gender adjective sulfidophilus, sulfide loving.)
 * R. veldkampii ( Hansen and Imhoff 1985, ; New Latin genitive case masculine gender noun veldkampii, of Veldkamp; named for H. Veldkamp, a Dutch microbiologist.)
 * R. vinaykumarii ( Srinivas et al. 2007, ; New Latin masculine gender genitive case noun vinaykumarii, of Vinaykumar, named after the late Dr M. Vinaykumar, an Indian microbiologist and research supervisor of Ch. V. R. and Ch. S, who initiated work on anoxygenic phototrophic bacteria in India.)

Rhodobium
Rhodobium is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Rhodobium derives from: Greek noun rhodos, rose; Greek noun bios (βίος), life; New Latin neuter gender noun Rhodobium, red life.

Species
The genus contains 4 species (including basonyms and synonyms), namely
 * R. gokarnense ( Srinivas et al. 2007, ; Latin neuter gender adjective gokarnense, pertaining to Gokarna, the place from which the type strain was isolated.)
 * R. marinum ( (Imhoff 1984) Hiraishi et al. 1995, ; Latin neuter gender adjective marinum, of or belonging to the sea, marine.)
 * R. orientis ( Hiraishi et al. 1995, (Type species of the genus).; Latin genitive case noun orientis, of the orient.)
 * R. pfennigii ( Caumette et al. 2007, ; New Latin genitive case noun pfennigii, of Pfennig, named after Norbert Pfennig, a German microbiologist.)

Rhodoblastus
Rhodoblastus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Rhodoblastus derives from: Greek noun rhodon (ῥόδον), rose; Greek masculine gender noun blastos, bud shoot; New Latin masculine gender noun Rhodoblastus, the budding rose.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * R. acidophilus ( (Pfennig 1969) Imhoff 2001, (Type species of the genus).; New Latin noun acidum (from Latin adjective acidus sour), an acid; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective acidophilus, acid-loving.)
 * R. sphagnicola ( Kulichevskaya et al. 2006, ; New Latin noun Sphagnum, generic name of sphagnum moss; Latin suff. -cola (from Latin noun incola), inhabitant, dweller; New Latin noun sphagnicola, inhabitant of Sphagnum.)

Rhodocista
Rhodocista is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Rhodocista derives from: Greek noun rhodon (ῥόδον), rose; Latin feminine gender noun cista, a basket; New Latin feminine gender noun Rhodocista, the rose basket.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * R. centenaria ( Kawasaki et al. 1994, (Type species of the genus).; Latin feminine gender adjective centenaria, relating to a hundred, to commemorate a century after the publication of the first description of a phototrophic bacterium in 1887.)
 * R. pekingensis ( Zhang et al. 2003, ; New Latin feminine gender adjective pekingensis, pertaining to Peking, the former name of Beijing city, where the type strain was isolated.)

Rhodococcus
Rhodococcus is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Rhodococcus derives from: Greek noun rhodon (ῥόδον), rose; New Latin masculine gender noun coccus (from Greek masculine gender noun kokkos (κόκκος), grain, seed), coccus; New Latin masculine gender noun Rhodococcus a red coccus.'''

Species
The genus contains 44 species (including basonyms and synonyms), namely
 * R. aetherivorans ( Goodfellow et al. 2004, ; New Latin noun aether aetheris, ether; Latin participle adjective vorans, eating, devouring; New Latin participle adjective aetherivorans, devouring ether.)
 * R. aichiensis ( corrig. Tsukamura 1983, ; New Latin masculine gender adjective aichiensis, belonging to Aichi Prefecture, Japan from where the organism was isolated.)
 * R. aurantiacus ( (ex Tsukamura and Mizuno 1971) Tsukamura and Yano 1985,, nom. rev.; New Latin masculine gender adjective aurantiacus, orange coloured.)
 * R. baikonurensis ( Li et al. 2004, ; New Latin masculine gender adjective baikonurensis, of or belonging to Baikonur, the town in Kazakhstan where the Mir space station was launched.)
 * R. bronchialis ( (Tsukamura 1971) Tsukamura 1974, species.; Latin pl. noun bronchia, the bronchial tubes; Latin feminine gender suff. -alis, suffix used with the sense of pertaining to; New Latin feminine gender adjective bronchialis, pertaining to the bronchi, coming from the bronchi.)
 * R. chlorophenolicus ( Apajalahti et al. 1986, ; New Latin noun chlorophenol, chlorophenol; Latin masculine gender suffix -icus, suffix used with the sense of pertaining to; New Latin masculine gender adjective chlorophenolicus, related to chlorophenols.)
 * R. chubuensis ( Tsukamura 1983, ; New Latin masculine gender adjective chubuensis, of or belonging to Chubu Hospital where the organism was isolated.)
 * R. coprophilus ( Rowbotham and Cross 1979, species.; Greek noun kopros, dung, faeces; New Latin adjective philus from Greek adjective philos (φίλος) meaning friend, loving; New Latin masculine gender adjective coprophilus, dung loving.)
 * R. corallinus ( (Bergey et al. 1923) Goodfellow and Alderson 1977, species.; Latin masculine gender adjective corallinus, coral-red.)
 * R. corynebacterioides ( (Serrano et al. 1972) Yassin and Schaal 2005, ; New Latin neuter gender noun Corynebacterium, bacterial genus name; Greek suffix -oides, similar to; New Latin masculine gender adjective corynebacterioides, similar to Corynebacterium.)
 * R. equi ( (Magnusson 1923) Goodfellow and Alderson 1977, species.; Latin genitive case noun equi, of a horse.)
 * R. erythropolis ( (Gray and Thornton 1928) Goodfellow and Alderson 1979, species.; Greek adjective eruthros, red: Greek noun polis, a city; New Latin noun erythropolis, red city)
 * R. fascians ( (Tilford 1936) Goodfellow 1984, ; Latin participle adjective fascians, binding together, bundling.)
 * R. globerulus ( Goodfellow et al. 1985, ; New Latin masculine gender adjective globerulus, globular.)
 * R. gordoniae ( Jones et al. 2004, ; New Latin genitive case feminine gender noun gordoniae, of Gordon, named after Ruth Gordon, a celebrated microbial systematist.)
 * R. imtechensis ( Ghosh et al. 2006, ; New Latin masculine gender adjective imtechensis, of or pertaining to the Institute of Microbial Technology (IMTECH), where the type strain was characterized.)
 * R. jialingiae ( Wang et al. 2010, ; New Latin feminine gender genitive case noun jialingiae, of Jia-Ling, to honour Jia-Ling Wang, a respected Chinese microbiologist, for her enormous contributions to the development of environmental microbiology in China.)
 * R. jostii ( Takeuchi et al. 2002, ; New Latin genitive case masculine gender noun jostii, of Jo&scaron;t, in honor of Margrave Jo&scaron;t Lucembursk&yacute; (1351–1411), an important Czech ruler, from whose skeletal remains the strain was isolated.)
 * R. koreensis ( Yoon et al. 2000, ; New Latin masculine gender adjective koreensis, of or belonging to Korea, the country where the strain was isolated.)
 * R. kroppenstedtii ( Mayilraj et al. 2006, ; New Latin genitive case masculine gender noun kroppenstedtii, of Kroppenstedt, to honour Reiner Michael Kroppenstedt, a German microbiologist, for his enormous contributions to the taxonomy of actinomycetes.)
 * R. kunmingensis ( Wang et al. 2008, ; New Latin masculine gender adjective kunmingensis, of or pertaining to Kunming, a city of Yunnan in south-west China.)
 * R. kyotonensis ( Li et al. 2007, ; New Latin masculine gender adjective kyotonensis, of or belonging to Kyoto, the source of soil from which the organism was isolated.)
 * R. luteus ( (ex S&ouml;hngen 1913) Nesterenko et al. 1982, nom. rev., ; Latin masculine gender adjective luteus, yellow.)
 * R. maanshanensis ( Zhang et al. 2002, ; New Latin masculine gender adjective maanshanensis, of or belonging to Maanshan, the source of the soil from which the organism was isolated.)
 * R. marinonascens ( Helmke and Weyland 1984, ; Latin adjective marinus, of the sea; Latin participle adjective nascens, born. New Latin participle adjective marinonascens, born of the sea.)
 * R. maris ( (ex Harrison 1929) Nesterenko et al. 1982, nom. rev., ; Latin genitive case noun maris, of the sea.)
 * R. obuensis ( Tsukamura 1983, ; New Latin masculine gender adjective obuensis, of or belonging to Obu City where the organism was isolated.)
 * R. opacus ( Klatte et al. 1995, ; Latin masculine gender adjective opacus, shady, obscure, nontransparent.)
 * R. percolatus ( Briglia et al. 1996, ; Latin pref. per, very, thoroughly, completely; Latin masculine gender participle adjective colatus, filtered; New Latin masculine gender adjective percolatus, completely filtered, referring to the percolator system used for isolation.)
 * R. phenolicus ( Rehfuss and Urban 2006, ; New Latin noun phenol, common name for industrial solvent hydroxybenzene; Latin suff. -icus -a -um, suffix used with the sense of belonging to; New Latin masculine gender adjective phenolicus, pertaing to phenol.)
 * R. pyridinivorans ( Yoon et al. 2000, ; New Latin noun pyridinum, pyridine; Latin v. vorare, to devour; New Latin participle adjective pyridinivorans, pyridine-devouring.)
 * R. qingshengii ( Xu et al. 2007, ; New Latin genitive case masculine gender noun qingshengii, of Qing-Sheng, to honour Qing-Sheng Fan, a respected Chinese microbiologist, for his enormous contributions to the development of microbiology in China.)
 * R. rhodnii ( Goodfellow and Alderson 1979, species.; New Latin masculine gender noun Rhodnius, generic name of the reduvid bud; New Latin genitive case noun rhodnii, of Rhodnius.)
 * R. rhodochrous ( (Zopf 1891) Tsukamura 1974, species. (Type species of the genus).; New Latin masculine gender adjective rhodochrous, rose colored.)
 * R. roseus ( (ex Grotenfelt 1889) Tsukamura et al. 1991,, nom. rev.; Latin masculine gender adjective roseus, rose-colored, rosy.)
 * R. ruber ( (Kruse 1896) Goodfellow and Alderson 1977, species.; Latin masculine gender adjective ruber, red.)
 * R. rubropertinctus ( (Hefferan 1904) Tsukamura 1974, species.; Latin adjective ruber -bra -brum, red; Latin pref. per, very; Latin masculine gender participle adjective tinctus, dyed, colored; New Latin masculine gender participle adjective rubropertinctus, heavily dyed red. )
 * R. sputi ( (ex Tsukamura 1978) Tsukamura and Yano 1985,, nom. rev.; Latin genitive case noun sputi, of sputum.)
 * R. sputi ( Tsukamura 1978, species.; Latin genitive case noun sputi, of sputum.)
 * R. terrae ( (Tsukamura 1971) Tsukamura 1974, species.; Latin genitive case noun terrae, of the earth.)
 * R. triatomae ( Yassin 2005, ; New Latin genitive case noun triatomae, of Triatoma, a zoological genus of blood-sucking bug from which the micro-organism was isolated.)
 * R. tukisamuensis ( Matsuyama et al. 2003, ; New Latin masculine gender adjective tukisamuensis, of or belonging to Tukisamu, a town in Sapporo, Hokkaido, Japan, where the type strain was isolated.)
 * R. wratislaviensis ( (Goodfellow et al. 1995) Goodfellow et al. 2002, ; New Latin masculine gender adjective wratislaviensis, of or pertaining to Wratislavia (Wroclaw, Poland).)
 * R. yunnanensis ( Zhang et al. 2005, ; New Latin masculine gender adjective yunnanensis, of or pertaining to Yunnan, a province of south-west China.)
 * R. zopfii ( Stoecker et al. 1994, ; New Latin masculine gender genitive case noun zopfii, of Zopf, named in honor of Wilhelm Friedrich Zopf, who described the bacterium Rhodococcus rhodochrous.)

Rhodocyclus
Rhodocyclus is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Rhodocyclus derives from:
 * Greek noun rhodon (ῥόδον), rose; Latin masculine gender noun cyclus, a circle; New Latin masculine gender noun Rhodocyclus, red circle.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * R. gelatinosus ( (Molisch 1907) Imhoff et al. 1984, ; New Latin noun gelatinum (from Latin participle adjective gelatus, frozen), gelatin; Latin suff. -osus -a -um, suffix used with the sense of full of, prone to; New Latin masculine gender adjective gelatinosus, gelatinous.)
 * R. purpureus ( Pfennig 1978, species. (Type species of the genus).; Latin masculine gender adjective purpureus, purple-colored, purple, violet.)
 * R. tenuis ( (Pfennig 1969) Imhoff et al. 1984, ; Latin masculine gender adjective tenuis, slender, thin.)

Rhodocytophaga
Rhodocytophaga is a genus in the phylum Bacteroidetes (Bacteria).

Etymology
The name Rhodocytophaga derives from: Greek noun rhodon (ῥόδον), rose; New Latin feminine gender noun Cytophaga, a bacterial genus; New Latin feminine gender noun Rhodocytophaga, rose-red Cytophaga, referring to the reddish pink colour of colonies and to the phylogenetic relationship with the genus Cytophaga.

Species
The genus contains a single species, namely R. aerolata ( Anandham et al. 2010, (Type species of the genus).; Greek noun aer, air; Latin feminine gender participle adjective lata, carried; New Latin feminine gender participle adjective aerolata, airborne.)

Rhodoferax
Rhodoferax is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Rhodoferax derives from:
 * Greek noun rhodon (ῥόδον), rose; Latin adjective ferax, fertile; New Latin masculine gender noun Rhodoferax, red and fertile.

Species
The genus contains 3 species (including basonyms and synonyms), namely
 * R. antarcticus ( Madigan et al. 2001, ;: Latin masculine gender adjective antarcticus, southern, belonging to the Antarctica.)
 * R. fermentans ( Hiraishi et al. 1992, (Type species of the genus).;: Latin participle adjective fermentans, fermenting.)
 * R. ferrireducens ( Finneran et al. 2003, ; Latin noun ferrum, iron; Latin participle adjective reducens, bringing back, leading back; New Latin participle adjective ferrireducens, iron-reducing (converting iron to a reduced oxidation state).)

Rhodoglobus
Rhodoglobus is a genus in the phylum Actinobacteria (Bacteria).

Etymology
The name Rhodoglobus derives from: Greek noun rhodon (ῥόδον), rose; Latin masculine gender noun globus, ball; New Latin masculine gender noun rhodoglobus, red ball.

Species
The genus contains 2 species (including basonyms and synonyms), namely
 * R. aureus ( (Reddy et al. 2003) An et al. 2011, ; Latin masculine gender adjective aureus, golden, referring to the yellowish pigment that the bacterium produces.)
 * R. vestalii ( Sheridan et al. 2003, (Type species of the genus).; New Latin genitive case masculine gender noun vestalii, of Vestal, in honour of J. Robie Vestal, who studied Antarctic micro-organisms.)

Rhodomicrobium
Rhodomicrobium is a genus in the phylum Proteobacteria (Bacteria).

Etymology
The name Rhodomicrobium derives from: Greek noun rhodon (ῥόδον), rose; New Latin neuter gender noun microbium, microbe; New Latin neuter gender noun Rhodomicroibum, red microbe.

Species
The genus contains a single species, namely R. vannielii ( Duchow and Douglas 1949, species. (Type species of the genus).; New Latin genitive case masculine gender noun vannielii, of van Niel; named for C.B. van Niel, an American microbiologist.)