List of the Paleozoic life of Virginia

This list of the Paleozoic life of Virginia contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Virginia and are between 538.8 and 252.17 million years of age.

A

 * †Acanthocrania
 * †Acanthoparypha – type locality for genus
 * †Acanthoparypha chiropyga – type locality for species
 * †Acanthoparypha perforata – type locality for species
 * †Acmarhachis
 * †Acmarhachis acuta
 * †Adiantities
 * †Adiantities spectabilis
 * †Aechimina
 * †Agassizocrinus
 * †Agassizocrinus ovalis – or unidentified comparable form
 * †Allorisma
 * †Ambocoelia
 * †Ambocoelia umbonata
 * †Ambonychia
 * †Ambonychia bowmani
 * †Amecephalina
 * †Amecephalina poulseni
 * †Amphigenia
 * †Amphigenia curta
 * †Amphilichas
 * †Amphilichas minganensis
 * †Amplexograptus
 * †Amplexograptus confertus
 * Amplexopora petasifomis.jpg †[[Amplexopora]]
 * †Ampyx
 * †Ampyx virginiensis
 * †Ampyxina
 * †Ampyxina lanceola – type locality for species
 * †Ampyxina powelli
 * †Anazyga
 * †Anazyga recurvirostra
 * †Ancanthoparypha
 * †Anguloceras – type locality for genus
 * †Anguloceras depressum – type locality for species
 * †Anguloceras ovatum – type locality for species
 * †Anguloceras rotundum – type locality for species
 * †Anolotichia
 * †Anolotichia explanata – or unidentified comparable form
 * †Anoplia
 * †Anoplia nucleata
 * †Anoplotheca
 * †Anoplotheca sulcata
 * †Antagmus
 * †Anthracospirifer
 * †Anthracospirifer leidyi
 * †Aphelaspis
 * †Aphelaspis quadrata – tentative report
 * †Apianurus
 * †Apianurus barbatus – type locality for species
 * †Apianurus glaber – type locality for species
 * †Archaeocyathus
 * †Archaeocyathus resseri
 * †Archaeosycon
 * †Archaeosycon balsami – type locality for species
 * Fenestellidae - Archimedes species.JPG]] †Archimedes''
 * †Arthrorhachis
 * †Athyris
 * †Athyris angelica
 * †Athyris lamellosa
 * †Atlanticocoelia
 * †Atlanticocoelia acutiplicata
 * †Atrypa
 * †Atrypa reticularis
 * †Aulopora
 * †Aviculopecten
 * †Aviculopecten monroensis

B

 * †Bassleroceras
 * †Bassleroceras bridgei
 * †Bassleroceras dalevillense
 * †Bathyholcus
 * †Bathyholcus gaspensis
 * †Bathyurus
 * †Batostoma
 * †Batostoma campensis
 * †Batostoma sevieri
 * †Batostoma suberassum – or unidentified comparable form
 * †Batostomella
 * Bellerophon umbilicalis.jpg †[[Bellerophon (genus)|Bellerophon]]
 * †Bellerophon scissile – or unidentified comparable form
 * †Bellerophon spergensis – tentative report
 * †Bellimurina
 * †Bellimurina charlottae
 * †Berounella
 * †Billingsaria
 * †Billingsaria parva
 * †Bilobia
 * †Bimuria
 * †Bimuria immatura – type locality for species
 * †Bimuria lamellosa
 * †Bimuria superba
 * †Blountia
 * †Blountia virginica
 * †Blountiella
 * †Blountiella buttsi – tentative report
 * †Bollia – tentative report
 * †Bollia diceratina
 * †Bonnemaia
 * †Bonnia
 * †Bonnia crassa
 * Bothriolepis NT small.jpg †[[Bothriolepis]]
 * †Bothriolepis virginiensis – type locality for species
 * †Brachyprion
 * †Bronteopsis
 * †Bucanella
 * †Bucanella nana – or unidentified comparable form
 * †Bucania
 * †Bumastoides
 * †Bumastus
 * †Bumastus lioderma – or unidentified comparable form
 * †Buthotrephis
 * †Buthotrephis flexuosa – or unidentified comparable form
 * †Buthotrephis gracilis
 * †Buthotrephis inosculata
 * †Byssonychia
 * †Byssonychia praecursa
 * †Bythopora

C

 * †Caborcella
 * †Calipernurus
 * †Calipernurus insolitus – type locality for species
 * †Callixylon
 * Calymene clavicula dorsal.jpg †[[Calymene]]
 * †Calyptaulax
 * †Calyptaulax annulata
 * †Calyptaulax annulatus
 * †Calyptaulax callicephala
 * †Calyptaulax callirachis – type locality for species
 * †Calyptaulax confluens
 * †Calyptaulax gracilens – or unidentified comparable form
 * †Camarocladia
 * †Camarocladia gracilis
 * †Camarotoechia
 * †Camarotoechia contracta
 * †Camarotoechia quadriplicata
 * †Camarotoechia varians – or unidentified comparable form
 * †Camerella
 * †Camerella varians
 * †Campbelloceras
 * †Campbelloceras brevicameratum
 * †Campbelloceras virginianus
 * †Canarekka
 * †Canarekka varians – or unidentified comparable form
 * †Caneyella
 * †Carabocrinus
 * †Cardiopteris
 * †Cardiopteris abbensis – type locality for species
 * †Cardiopteris irregularis – type locality for species
 * †Carickia
 * †Cariniferella
 * †Carniferella
 * †Carniferella carinata
 * †Caryocystites
 * †Cavifera
 * †Cavifera concinna – or unidentified comparable form
 * †Centrotarphyceras
 * †Centrotarphyceras bridgei
 * †Centrotarphyceras macdonaldi
 * †Ceramoporella
 * †Ceratocephala
 * †Ceratocephala laciniata – type locality for species
 * †Ceratocephala rarispina – type locality for species
 * †Ceratocephala triacantheis – type locality for species
 * †Ceratocephala tridens
 * †Ceratopea – type locality for genus
 * †Ceratopea grandis
 * †Ceratopea keithi – type locality for species
 * †Ceratopsis
 * †Ceratopsis chambersi
 * †Ceraurinella – type locality for genus
 * †Ceraurinella chondra – type locality for species
 * †Ceraurinella typa – type locality for species
 * Ceraurus fossil cropped.png †[[Ceraurus]]
 * †Ceraurus whittingtoni
 * †Charionella
 * †Charionella scitula
 * †Chasmatopora
 * †Chasmotopora
 * †Chazydictya – tentative report
 * †Cheilocephalus
 * †Cheirocrinus
 * †Cheirocrinus angulatus – tentative report
 * †Chepuloceras – type locality for genus
 * †Chepuloceras inelegans – type locality for species
 * †Chlidanophyton
 * †Chlidanophyton dublinensis
 * †Chomatopyge
 * †Chomatopyge falcata – type locality for species
 * †Chomatopyge marginifera – type locality for species
 * †Chonetes
 * †Chonetes chesterensis
 * †Chonetes mucronatus
 * †Chonetes novascoticus
 * †Chonetes shumardonus
 * †Christiania
 * †Christiania subquadrata
 * †Christiania trentonensis
 * Cincinnetina meeki (Miller, 1875) slab 3.jpg †[[Cincinnetina]]
 * †Cincinnetina meeki
 * †Cincinnetina multisecta
 * †Cladopora
 * †Clarkoceras – tentative report
 * †Cleiocrinus
 * †Cleiocrinus tessellatus – or unidentified comparable form
 * †Cleiothyridina
 * †Cleiothyridina sublamellosa – or unidentified comparable form
 * †Cleirocrinus
 * †Cleirocrinus tessellatus – or unidentified comparable form
 * Climacograptus wilsoni Graptolite Fossils from Dob%27s Linn Scotland.jpg †[[Climacograptus]]
 * †Climacograptus scharenbergi
 * †Cliothyridina
 * †Cliothyridina sublamellosa
 * †Coeloclema – tentative report
 * †Coelospira
 * †Coelospira hemisphaerica
 * †Coelospira nitens
 * †Coelospira planoconvexa
 * †Coleoloides
 * †Colpomya
 * †Colpomya faba
 * †Columbocystis
 * †Columbocystis typica
 * †Columnaria
 * †Columnaria halli
 * Compositafossil.jpg †[[Composita]]
 * †Composita subquadrata – or unidentified comparable form
 * †Conocardium
 * †Conocerina
 * †Conotreta
 * †Conotreta cuspidata
 * †Conotreta plana
 * †Constellaria
 * †Constellirostra
 * †Conularia
 * †Coosia
 * †Coosia alethes
 * †Coosia calanus
 * †Coosina
 * †Coosina ariston
 * †Corineorthis
 * †Cornellites
 * Cornulites cellulosus.jpg †[[Cornulites]]
 * †Cornulites flexuosus – or unidentified comparable form
 * †Craniops
 * †Crepicephalus
 * †Crepicephalus rectus
 * †Crossia
 * †Crossia virginiana
 * †Cryptolithus
 * †Cryptolithus tesselatus
 * †Cryptophragmus
 * †Cryptophragmus antiquatus
 * †Ctenodonta
 * †Ctenodonta pulchella
 * †Ctenoloculina
 * †Cuneamya
 * †Cuneamya scapha
 * †Cuneamya umbonata
 * †Cupularostrum
 * †Cupularostrum congregata
 * †Cupularostrum contracta
 * †Cybeloides
 * †Cybeloides virginiensis
 * †Cyclospira
 * †Cymatonota
 * †Cymatonota pholadis – or unidentified comparable form
 * †Cypricarculana – tentative report
 * †Cypricardella
 * Cyrtoceras NT small.jpg †[[Cyrtoceras]]
 * †Cyrtodonta
 * †Cyrtodontula
 * †Cyrtodontula massanuttenensis
 * †Cyrtodontula nasuta
 * †Cyrtonella
 * †Cyrtonotella
 * †Cyrtonotella grandistriata
 * †Cyrtospirifer
 * †Cyrtospirifer disjunctus
 * †Cystelasma
 * †Cystelasma quinquiseptatum
 * †Cystiphylloides
 * †Cystiphyllum
 * †Cystodictya
 * †Cystodictya lineata
 * †Cystodictya ovatipora

D

 * †Dactylogonia
 * †Dactylogonia palustris – or unidentified related form
 * †Dakeoceras
 * †Dalmanella
 * †Dalmanella bassleri
 * †Dalmanella costellata
 * †Dalmanella fertilis
 * †Dalmanella rogata
 * †Dalmanella sculpta – or unidentified comparable form
 * SilurianTrilobite.jpg †[[Dalmanites]] – or unidentified comparable form
 * †Decoroproetus
 * †Dekayia
 * †Delocrinus
 * †Densastroma
 * †Densastroma pexisum
 * †Dermatostroma
 * †Devonochonetes
 * †Devonochonetes scitulus – or unidentified comparable form
 * †Diabolocrinus
 * †Diacanthaspis
 * †Diacanthaspis cooperi – type locality for species
 * †Diacanthaspis lepidus – type locality for species
 * †Diacanthaspis orandensis – type locality for species
 * †Diacanthaspis scitulus – type locality for species
 * †Diacanthaspis secretus – type locality for species
 * †Diacanthaspis ulrichi – type locality for species
 * †Diaphragmus
 * †Dicellograptus
 * †Dicellomus
 * †Dicellomus appalachia
 * †Dichotrypa
 * †Dichotrypa flabellum – tentative report
 * †Dictyoclostus
 * †Dictyoclostus burlingtonensis
 * †Dictyoclostus inflatus
 * †Dictyoclostus parvus
 * †Dictyoclostus scitulus
 * †Dielasma
 * †Dielasma arkansanum – or unidentified comparable form
 * †Dimeropyge
 * †Dimeropyge spinifera – type locality for species
 * †Dimeropyge virginiensis – type locality for species
 * †Dinorthis
 * †Dinorthis atavoides
 * †Dinorthis interstriata
 * †Dinorthis transversa
 * †Dinorthis willardi
 * †Dionide
 * †Dionide holdeni
 * Diplograptus simplex.png †[[Diplograptus]]
 * †Diplograptus foliaceus
 * †Diplograptus vespertinus – or unidentified comparable form
 * †Dizygopleura
 * †Doleroides
 * †Doleroides ponderosus – type locality for species
 * †Dolichoharpes
 * †Dolichoharpes reticulata
 * †Donaldina
 * †Douvillina
 * †Drabia
 * †Drabia curtoccipita
 * †Drepanella
 * †Drepanella richardsoni
 * †Dromopus
 * †Dromopus aduncus
 * †Dunderbergia
 * †Dunderbergia simplex
 * †Dunderbergia variagranula – or unidentified comparable form
 * †Dystactispongia
 * †Dystactospongia
 * †Dystactospongia minor

E

 * †Ecculiomphalus
 * †Eccyliopterus
 * †Echinoconchus
 * †Echinoconchus elegans – or unidentified related form
 * †Echinocrinus
 * Echinosphaerites.JPG †[[Echinosphaerites]]
 * †Echinosphaerites aurantium
 * †Ectenoceras
 * †Ectenoceras chepultepecense
 * †Ectenoceras compressum
 * †Ectenoceras exile
 * †Ectenoceras longum
 * †Edmondia – tentative report
 * †Edmondia
 * †Elliptoglossa
 * †Elliptoglossa ovalis
 * †Elliptoglossa rotundata
 * †Embolophyllum
 * †Embolophyllum schucherti
 * †Encrinuroides
 * †Eodevonaria
 * †Eodevonaria arcuata
 * †Eoharpes
 * †Eomonorachus
 * †Eophacops
 * †Eoplectodonta
 * †Eoplectodonta alternata
 * †Eopsongia
 * †Eoptychoparia
 * †Eoptychoparia clearbranches
 * †Eoptychoparia taylori
 * †Eospongia
 * †Eospongia roemeri
 * †Eospongia varians
 * †Eotomaria
 * †Eotomaria canalifera
 * †Epiphyton
 * †Eridorthis
 * †Eridorthis inexpecta – type locality for species
 * †Eridotrypa
 * †Escharopora
 * †Escharopora subrecta
 * †Esharopora
 * Ethmophyllum whitneyi.png †[[Ethmophyllum]]
 * †Ethmophyllum whitneyi
 * †Euchasma
 * †Euchasma blumenbachi
 * †Euphemites
 * †Euphemites galericulatus
 * †Eurychilina
 * †Eurychilina latimarginata – or unidentified comparable form
 * †Eurychilina subradiata
 * †Eurystomites
 * †Eurystomites bolarensis
 * †Eustephanella
 * †Eustephanella catastephanes

F

 * †Fardenia
 * FavositesOrdovicianIndiana.jpg †[[Favosites]]
 * †Fenestralia
 * †Fenestralia sanctiludovici
 * †Fenestrellina
 * †Fenestrellina regalis – tentative report
 * †Fenestrellina serratula
 * †Fenestrellina tenax
 * †Finkelnburgia
 * †Finkelnburgia buttsi
 * †Fletcheria – tentative report
 * †Fletcheria incognita – or unidentified comparable form
 * Flexicalymene-ouzregui-rolled.jpg †[[Flexicalymene]]
 * †Flexicalymene senaria
 * †Foerstia
 * †Foerstia ohioensis
 * †Furcitella
 * †Furcitella plicata – type locality for species

G

 * †Gasconadia
 * †Gasconadia putilla
 * †Genselia
 * †Girtyella
 * †Girtyella indianensis
 * †Girtyella turgida
 * †Girvanella
 * †Glaphyraspis
 * †Glaphyraspis ovata
 * †Glaphyraspis parva
 * †Glauconome
 * †Glenodonta
 * †Globocrinus
 * †Globocrinus unionensis – or unidentified comparable form
 * †Glyptambonites
 * †Glyptambonites glyptus – type locality for species
 * †Glyptambonites musculosus
 * †Glyptometopsis
 * †Glyptometopsis marginata
 * †Glyptometopsis tumida
 * †Glyptopora
 * †Glyptorthis
 * †Glyptorthis bellarugosa
 * †Glyptorthis bellatula – type locality for species
 * †Glyptorthis equiconvexa
 * †Glyptorthis glypta – type locality for species
 * †Glyptorthis senecta – type locality for species
 * †Glyptorthis uniformis – type locality for species
 * †Gnetopsis
 * †Gnetopsis hispida
 * †Gonioceras
 * †Grammysia
 * †Graphiadactyllis
 * †Graptodictya
 * †Grenevievella – or unidentified comparable form
 * †Grivanella

H
†Hyolithes
 * Hallopora multitabulata fossil bryozoan (Ordovician; Frankfort IL.jpg †[[Hallopora]]
 * †Hallopora multitabulata
 * †Harpidella
 * †Healdia
 * †Hebertella
 * †Hebertella frankfortensis
 * †Hebertella sinuata
 * †Helcionella
 * †Helicotoma
 * †Helicotoma declivis
 * †Helicotoma granosa – or unidentified comparable form
 * †Helicotoma tennesseensis
 * †Helicotoma verticalis – or unidentified comparable form
 * †Heliomeroides
 * †Heliomeroides teres – type locality for species
 * †Hellopora
 * †Hemiphragma
 * †Hemithecella – type locality for genus
 * †Hemithecella expansa – type locality for species
 * †Hemitrypa
 * †Hemitrypa proutana
 * †Hesperorthis
 * †Hesperorthis tricenaria – or unidentified comparable form
 * †Heterotrypa
 * †Holdenia
 * †Holdenia typa
 * †Holia
 * †Holia cimelia – type locality for species
 * †Holia secristi – type locality for species
 * Holopeidae - Holopea praestans.JPG †[[Holopea]]
 * †Holopea scrutator
 * †Homagnostus
 * †Homotelus
 * †Homotelus elongatus
 * †Homotelus simplex – or unidentified comparable form
 * †Hormotoma
 * †Howellella
 * †Hustedograptus
 * †Hustedograptus teretiusculus – or unidentified comparable form
 * †Hyboaspis
 * †Hyolithellus
 * †Hyolithellus micans
 * †Hyolithellus micras
 * †Hypseloconus
 * †Hypseloconus bessemerense – or unidentified comparable form
 * †Hystricurus – tentative report

I

 * Illaenidae - Illaenus tauricornis.JPG †[[Illaenus]]
 * †Illaenus fieldi
 * †Illaneus
 * †Inflatia
 * †Iridopteris
 * †Iridopteris eriensis
 * †Ischycondonta
 * †Ischyrodonta
 * †Ischyrodonta unionoides
 * †Isochilina
 * †Isochilina armata
 * Isotelus brachycephalus.JPG †[[Isotelus]]
 * †Isotelus maximus
 * †Isotelus megistos

K

 * †Kingstonia
 * †Kionoceras
 * †Kirkbyella
 * †Komaspidella
 * †Komaspidella laevis
 * †Komaspidella lata
 * Kootenia fossil cropped.png †[[Kootenia]]
 * †Kootenia browni
 * †Kootenia oblivia
 * †Krausella
 * †Krausella arcuata
 * †Kullervo
 * †Kullervo ornata – type locality for species
 * †Kullervo parva – type locality for species
 * †Kutorgina
 * †Kutorgina cingulata

L

 * †Labyrinthus
 * †Lagenospermum
 * †Lagenospermum imparirameum
 * †Lambeophyllum
 * †Laticrura – type locality for genus
 * †Laticrura magna – type locality for species
 * †Laticrura pionodema – type locality for species
 * †Latouchella
 * †Lecanospira
 * †Lecanospira compacta
 * †Leiorhynchus
 * †Leiorhynchus mesicostale
 * †Leperditella
 * †Leperditella sulcata
 * †Leperditia
 * †Leperditia fabulites
 * Stigmaria Heimans.jpg †[[Lepidodendron]]
 * †Lepidodendropsis
 * †Lepidodendropsis scobiniformis
 * †Lepidodendropsis sigillarioides
 * †Lepidodendropsis vandergrachti
 * †Leptaena
 * †Leptaena ordovicica – type locality for species
 * †Leptellina
 * †Leptellina transversa – type locality for species
 * †Leptobolus
 * †Leptocoelia
 * †Leptocyrtoceras
 * †Leptocyrtoceras virginianum
 * †Leptodesma
 * †Leptodesma potens
 * †Leptodesma spinerigum
 * Breviconic ellesmeroceridan.svg †[[Levisoceras]]
 * †Levisoceras ellipticum
 * †Levisoceras instabile
 * †Levisoceras transitum
 * †Lichenaria
 * †Lichenaria carterensis
 * Lingula
 * †Lingula nicklesi – or unidentified comparable form
 * †Lingula nympha – or unidentified comparable form
 * †Lingulasma
 * †Lingulasma compactum – type locality for species
 * †Lingulella – tentative report
 * †Liocalymene
 * †Liocalymene clintoni
 * †Liospira
 * †Liospira vitruvia
 * †Lithostrontionella
 * †Lithostrontionella prolifera
 * †Llanoaspis
 * †Llanoaspis convexifrons
 * Lonchodomas mcgeheei CRF.jpg †[[Lonchodomas]]
 * †Lonchodomas carinatus – type locality for species
 * †Longispina
 * †Longispina mucronatus
 * †Lophonema – tentative report
 * †Lophospira
 * †Lophospira milleri
 * †Lophospira perangulata
 * †Loxobucania
 * †Loxobucania emmonsi
 * †Loxoplocus
 * †Lyrodesma

M

 * †Maclurina
 * †Maclurina bigsbyi
 * †Macluritella
 * †Macluritella gyroceras
 * †Macluritella multiseptarius – tentative report
 * †Macluritella uniangulata
 * †Maclurites
 * †Maclurites magnus
 * †Macrocoelia
 * †Macrocoelia magna
 * †Macrocoelia rotunda
 * †Macropyge – tentative report
 * †Marginovatia
 * †Marginovatia minor
 * †Marvillia
 * †Marvillia bristolensis
 * †Maryvillia
 * †Maryvillia arion
 * †Mastigobolbina
 * †Mastigobolbina lata
 * †Meekospira
 * †Megambonia
 * †Mesotaphraspis – type locality for genus
 * †Mesotaphraspis inornata – type locality for species
 * †Mesotaphraspis parva – type locality for species
 * †Mesotrypa
 * Meteoraspis cropped.png †[[Meteoraspis]]
 * †Meteoraspis mutica
 * †Mexicaspis
 * †Michelinoceras
 * †Microplasma
 * †Microplasma fasciculatum
 * †Mimella
 * †Mimella globosa
 * †Mimella melonica
 * †Mimella vulgaris
 * Miraspis mira cropped.png †[[Miraspis]]
 * †Modiolopsis
 * †Modiolopsis modiolaris
 * †Monogonoceras
 * †Monogonoceras magnisiphonatum
 * †Monotrypa
 * †Monticulipora
 * †Multicostella
 * †Multicostella brevis
 * †Multicostella bursa
 * †Multicostella platys
 * †Multispinula
 * †Multispinula cuneata
 * †Muriceras
 * †Mytilarca

N

 * Neritopsidae - Naticopsis.JPG †[[Naticopsis]]
 * †Naticopsis buttsi
 * †Nemagraptus
 * †Nemagraptus gracilis
 * †Neozaphrentis
 * †Nervostrophia
 * †Nervostrophia nervosa
 * †Nicholsonella
 * †Nicholsonells
 * †Nidulites
 * †Nidulites pyriformis
 * †Nileus
 * †Niobe
 * †Nisusia
 * †Nisusia festinata
 * †Nolichuckia
 * †Nolichuckia casteri
 * †Norwoodella
 * †Norwoodella saffordi
 * †Nothognathella
 * Nuculidae - Nucula piacentina.jpg [[Nucula]]
 * Nuculana
 * †Nuculites
 * †Nuculopsis
 * †Nuia

O

 * †Odontopleura
 * †Oepikina
 * †Oepikina minnesoteniss – report made of unidentified related form or using admittedly obsolete nomenclature
 * †Oepikina minnesotensis
 * Olenellus NT small.jpg †[[Olenellus]]
 * †Olenoides
 * †Olenoides nitidus
 * †Omospira
 * †Omospira laticincta – or unidentified comparable form
 * †Onchocephalites
 * †Onchocephalites rotundiformis
 * †Onchocephalus
 * †Onniella
 * †Onychoceras
 * †Onychoceras subrotundum
 * †Ophileta
 * †Ophileta complanata
 * †Ophiletina
 * †Ophiletina sublaxa
 * †Opikina
 * †Opikina matutina – type locality for species
 * †Opikina varia
 * †Orbiculoidea
 * †Orbignyella
 * †Orthambonites
 * †Orthambonites divaricatus
 * †Orthoceras
 * †Orthoceras multicameratum
 * †Orthodesma
 * †Orthodesma nasutum
 * †Orthorhynchula
 * †Orthorhynchula linneyi – or unidentified comparable form
 * †Orthotetes
 * †Otarion
 * †Ottoseetaxis
 * †Oulodus
 * †Oulodus pectinata
 * †Ovatia
 * †Ovatia ovata – or unidentified comparable form
 * †Oxoplecia
 * †Oxoplecia gibbosa
 * †Oxoplecia holstonensis
 * †Oxoplecia hostonensis
 * †Oxoplecia multicostellata
 * †Oxoplecia simulatrix
 * †Ozarkispira
 * †Ozarkispira subelevata – type locality for species
 * †Ozarkodina

P

 * †Pachendoceras
 * †Pachendoceras brevicameratum – type locality for species
 * †Pachendoceras parvum
 * †Pachydictya
 * †Pachydictya robusta
 * †Pachydictya senilis – or unidentified comparable form
 * †Pachydomella – tentative report
 * †Pachyglossella
 * †Pachyglossella pachydermata
 * Pagetia taijiangensis 2.jpg †[[Pagetia]]
 * †Pagetia ellsi
 * †Palaeoneilo
 * †Palaeoneilo petila
 * †Palaeophycus – tentative report
 * †Palaeostrophomena
 * †Palaeostrophomena subtransversa – type locality for species
 * †Paleocrinus
 * †Paleocrinus striatus – or unidentified comparable form
 * †Paleyoldia
 * †Paractinoceras
 * †Paractinoceras lamellosum
 * †Parallelostroma
 * †Parallelostroma kaugatomicum
 * †Parallelostroma keyserense – type locality for species
 * †Parallelostroma longicolumnum – type locality for species
 * †Parallelostroma microporum
 * †Parallelostroma multicolumnum – type locality for species
 * †Parallelostroma typicum
 * †Paraparchites – tentative report
 * †Pararaphistoma – or unidentified comparable form
 * †Parastrophina
 * †Paratalarocrinus – type locality for genus
 * †Paratalarocrinus transitorius – type locality for species
 * †Paterina
 * †Pattella
 * †Pattella massanuttense
 * †Paucicrura
 * †Pauorthis
 * †Paupospira
 * †Paupospira burginensis
 * †Paupospira sumnerensis
 * †Paupospira tropidophora
 * †Paurorthis
 * †Paurorthis ponderosa
 * †Pemphigaspis
 * Pentremites Glen Dean Fm KY.jpg †[[Pentremites]]
 * †Pentremites planus – tentative report
 * †Perimecocoelia
 * †Perimecocoelia semicostata
 * †Perimecocoelia triangulata
 * †Peronopora
 * †Phaenopora
 * †Phestia
 * †Phillipsia
 * †Pholidops
 * †Pholidops areolata
 * †Pholidops cincinnatiensis
 * †Phragmolites
 * †Phragmolites triangularis – or unidentified comparable form
 * †Phragmorthis – type locality for genus
 * †Phragmorthis buttsi – type locality for species
 * †Phyllodictya
 * †Phyllodictya frondosa
 * †Phylloporina
 * Pinna
 * †Pionodema
 * †Pionodema miniscula
 * †Pionodema subaequata
 * †Plaesiomys
 * †Platyceras
 * †Platycrinus
 * †Platycrinus penicillus
 * †Platyrachella
 * PlatystrophiaOrdovician.jpg †[[Platystrophia]]
 * †Plectocamara
 * †Plectoceras
 * †Plectoceras bondi
 * †Plectonotus
 * †Plectorthis
 * †Plectorthis exfoliata – or unidentified comparable form
 * †Plethobolbina
 * †Plethrospira – tentative report
 * †Plexodictyon
 * †Plexodictyon waparksi – or unidentified comparable form
 * †Pliomerella
 * †Pocononia
 * †Pocononia whitei – type locality for species
 * †Pojetaconcha – tentative report
 * †Poliella
 * †Poliella virginica
 * †Polylopia
 * †Polylopia billingsi
 * †Polypora
 * †Polypora impressa – tentative report
 * †Posidonia
 * †Posidonia becheri
 * †Praenucula
 * †Praenucula albertina
 * †Prasopora
 * †Primaspis
 * †Primaspis ascitus – type locality for species
 * †Primitiella
 * †Primitiella constricta
 * †Prioniodina
 * †Prismostylus
 * †Prismostylus fibratum
 * †Probolichas
 * †Probolichas pandus – type locality for species
 * †Productella
 * †Productorthis
 * †Productorthis agilera
 * †Productus
 * †Productus altonensis
 * Proetus concinnus reconstruction cropped.png †[[Proetus (trilobite)|Proetus]]
 * †Proetus crassimarginatus
 * †Prothyris
 * †Protobarinophyton
 * †Protolepidodendron
 * †Protolepidodendron primaevum
 * †Protoleptostrophia
 * †Protoleptostrophia perplana
 * †Protostigmaria
 * †Protostigmaria eggertiana
 * †Protozyga
 * †Protozyga uniplicata – type locality for species
 * †Prozacanthoides
 * †Prozacanthoides clearbranchensis
 * †Prozacanthoides virginicus
 * †Pseudagnostus
 * †Pseudagnostus communis
 * †Pseudosphaerexochus
 * †Pterinea
 * †Pterinea insueta
 * †Pterinea maternata
 * †Pterocephalops
 * †Pterocephalops acrophthalma
 * †Pterocrinus
 * †Pterocrinus serratus
 * †Pterygometopus
 * †Ptychoglyptus
 * †Ptychoglyptus virginiensis
 * †Ptychopleurella
 * †Ptychopleurella mediocostata – type locality for species
 * †Ptychopleurella rectangulata – type locality for species
 * †Ptychopleurella sulcata
 * †Punctospirifer
 * †Punctospirifer transversa – or unidentified comparable form
 * †Punctospirifer transversus

Q

 * †Quebecaspis
 * †Quebecaspis conifrons
 * †Quebecaspis marylandica

R

 * †Rafinesquina
 * †Rafinesquina altenata
 * †Rafinesquina alternata
 * †Rafinesquina deltoidea – or unidentified comparable form
 * †Rafinesquina fracta
 * †Rafinesquina obsoleta – or unidentified comparable form
 * †Rafinesquina planulata – type locality for species
 * †Rafinesquina pulchella
 * †Raphistomina
 * †Raymondaspis
 * †Raymondaspis gregarius
 * †Raymondella
 * †Raymondella elegans
 * KimmswickOzoraMidOrdReceptaculitid.jpg †[[Receptaculites]]
 * †Receptaculites biconstrictus
 * †Receptaculites occidentalis
 * †Redstonia
 * †Redstonia cooperi
 * †Regnellicystis
 * †Regnellicystis typicalis
 * †Remopleurides
 * †Remopleurides asperulus – type locality for species
 * †Remopleurides caelatus – type locality for species
 * †Remopleurides caphyroides – type locality for species
 * †Remopleurides eximius – type locality for species
 * †Remopleurides plaesiourus – type locality for species
 * †Remopleurides simulus – type locality for species
 * †Resserella
 * †Resserella rogata
 * †Reticestus – tentative report
 * †Reticulariina
 * †Reticulariina spinosa – or unidentified comparable form
 * †Reuschella
 * †Reuschella americana – type locality for species
 * †Reuschella edsoni
 * †Rhacophyton
 * †Rhacopteris
 * †Rhinidictya
 * †Rhinidictya nicholsoni
 * †Rhipidomena
 * †Rhipidomena tennesseensis
 * [[File:Naturalis Biodiversity Center - ZMA.MOLL.32565 - Rhodea maxima Mousson - Subulinidae - Mollusc shell cropped.jpg|thumb|upright|Shell of a Rhodea land snail]] †[[Rhodea]]
 * †Rhodea blacksburgensis – type locality for species
 * †Rhodea vespertina – type locality for species
 * †Rhombopora
 * †Rhombopora simulatrix
 * †Rhynchotrema
 * †Rhytimya
 * †Robergia
 * †Robergia major
 * †Robergiella
 * †Robergiella sagittalis – type locality for species
 * †Robsonoceras
 * †Rodea
 * †Rodea vespertina – type locality for species
 * Rostricellula
 * †Rostricellula plena
 * †Rostricellula pristina
 * †Rothpletzella
 * †Ruedemannia
 * †Ruedemannia lirata

S

 * Salterella pulchella.png †[[Salterella]]
 * †Salterella conulata
 * †Salteria
 * †Salteria americana
 * †Sanguinolites
 * †Scaphorthis
 * †Scaphorthis perplexa – type locality for species
 * †Scenellopora
 * †Scenellopora radiata
 * †Schellwienella – tentative report
 * †Schizambon
 * †Schizambon cuneatus
 * †Schizambon macrothyris
 * †Schizodus
 * †Schizophoria
 * †Schizophoria impressa
 * †Schizotreta
 * †Schuchertella
 * †Schuchertella desiderata
 * †Schuchertella pandora
 * †Scotoharpes
 * †Sedgwickia
 * †Sellenopora
 * †Septopora
 * †Septopora cestriensis
 * †Sinuopea
 * †Sinuopea basiplanata – or unidentified related form
 * †Siphonodella
 * †Siphonodella duplicata
 * †Skenidioides
 * †Skenidioides mediocostatus – type locality for species
 * †Skenidioides transversus – type locality for species
 * Solemya
 * Solenoporaceae - Solenopora cropped.jpg †[[Solenopora]]
 * †Solenopora compacta
 * †Sowerbyella
 * †Sowerbyella acquistriata – or unidentified related form
 * †Sowerbyella aequistriata – or unidentified comparable form
 * †Sowerbyella curdsvillensis
 * †Sowerbyella delicatula
 * †Sowerbyella lebanonensis – or unidentified comparable form
 * †Sowerbyella levanonensis – or unidentified comparable form
 * †Sowerbyella negrita – or unidentified comparable form
 * †Sowerbyella pisum
 * †Sowerbyella rugosa
 * †Sowerbyella sericea – report made of unidentified related form or using admittedly obsolete nomenclature
 * †Sowerbyella silicica – type locality for species
 * †Sowerbyella socialis
 * †Sowerbyites
 * †Sowerbyites triseptatus
 * †Sowrbyella
 * †Spathella
 * †Spathognathodus
 * †Spencella
 * †Spencella virginica
 * Cheiruridae - Sphaerexochus mirus cropped.jpg †[[Sphaerexochus]]
 * †Sphaerexochus hapsidotus – type locality for species
 * †Sphaerexochus pulcher – type locality for species
 * †Sphaerocoryphe
 * †Sphaerocoryphe gemina – type locality for species
 * †Sphaerocoryphe longispina – type locality for species
 * †Sphenotreta
 * †Sphenotreta acutirostris
 * †Spinatrypa
 * †Spinatrypa spinosa
 * Spirifer perlamosus pedunculate valve.jpg †[[Spirifer]]
 * †Spirifer bifurcatus
 * †Spirifer macrus
 * †Spirifer marcyi – tentative report
 * †Spirifer mesistrialis
 * †Spirifer stratiformis – or unidentified comparable form
 * †Spirifer striatiformis – or unidentified comparable form
 * †Spirifer varicosus
 * †Spirifer winchelli – tentative report
 * †Spongophylloides
 * †Spyroceras
 * †Stegerhynchus
 * †Stegerhynchus neglectum
 * †Stenoblepharum – broadly construed
 * †Stenoblepharum strasburgense – type locality for species
 * †Stenopareia
 * †Stictopora
 * †Strepulites
 * †Stromatocerium
 * †Stromatocerium rugosum
 * †Stromatoceruium
 * †Stromatoceruium rugosum
 * Strophomena costellata brachial.jpg †[[Strophomena]]
 * †Strophomena emaciata
 * †Strophomena filitexta
 * †Strophomena incurvata
 * †Strophomena sculpturatus
 * †Strophomena tennesseensus
 * †Strophomena tenuitesta
 * †Strphomena
 * †Strphomena incurvata
 * †Subligaculum
 * †Subulites
 * †Subulites regularis
 * †Sulevorthis
 * †Sulevorthis bielsteini
 * †Sulevorthis parvicrassicostatus
 * †Synprioniodina
 * Syringoporid.jpg †[[Syringopora]]
 * †Syringopora virginica
 * †Syringothyris
 * †Syringothyris textus – or unidentified comparable form

T

 * †Tabulipora
 * †Tabulipora tuberculata
 * †Taenicephalites
 * †Taenicephalites macrops
 * †Talarocrinus
 * †Talarocrinus trijugis – or unidentified comparable form
 * †Tancrediopsis
 * †Taphrorthis
 * †Taphrorthis peculiaris
 * †Telephina
 * Tentaculitid041011.jpg †[[Tentaculites]]
 * †Tentaculites lowdoni – type locality for species
 * †Tentaculites minutus
 * †Tentaculites scalaris
 * †Terranovella
 * †Terranovella dorsalis
 * †Teteracamera – tentative report
 * †Tetracamera
 * †Tetradium
 * †Tetradium cellulosum
 * †Tetradium clarki – tentative report
 * †Tetradium columnare – tentative report
 * †Tetradium racemosum
 * †Tetradium syringoporoides
 * †Tetralobula
 * †Tetralobula delicatula
 * †Thaleops
 * †Thaleops conradi
 * †Titanambonites
 * †Titanambonites crassus
 * †Torynifer
 * †Torynifer pseudolineata – or unidentified comparable form
 * †Torynifer pseudolineatus
 * †Tretaspis
 * †Tretaspis sagenosus
 * Tricrepicephalus texanus CRF.jpg †[[Tricrepicephalus]]
 * †Tricrepicephalus cedarensis
 * †Tricrepicephalus simplex
 * †Trinodus
 * †Trinodus elspethi
 * †Triphyllopteris
 * †Triphyllopteris alleghanensis
 * †Triphyllopteris biloba – type locality for species
 * †Triphyllopteris lascuriana
 * †Triphyllopteris latilobata – type locality for species
 * †Triphyllopteris lescuriana
 * †Triphyllopteris lesuriana
 * †Triphyllopteris rarinervis – type locality for species
 * †Triphyllopteris uberis
 * †Triphyllopteris virginiana
 * †Trocholitoceras
 * †Trocholitoceras bevani
 * †Trochonema
 * †Trochonema bellulum
 * †Trochonema trochonemoides – tentative report
 * †Trochonema umbilicata
 * †Tropidodiscus
 * Trypanites02.jpg [[Trypanites]]
 * †Tryplasma
 * †Tubulibairdia
 * †Tylothyris
 * †Tylothyris mesacostalis

U

 * †Ulrichia
 * †Uncinulus

V

 * †Valcourea
 * †Valcourea crassa – or unidentified comparable form
 * †Valcourea deflecta – or unidentified comparable form
 * †Valcourea delfecta – or unidentified comparable form
 * †Valcourea semicarinata – type locality for species
 * †Vanuxemia
 * †Vanuxemia crassa – or unidentified comparable form

W

 * †Wilkingia
 * †Wilsoniella
 * †Woosteroceras
 * †Woosteroceras chepultepecense – type locality for species

Z

 * †Zaphrenthis
 * †Zaphrenthis spinulosa
 * †Zaphrentites
 * †Zaphrentites spinulosa – or unidentified comparable form
 * †Zelophyllum
 * †Zygobolba
 * †Zygobolba decora
 * †Zygosella
 * †Zygospira
 * †Zygospira lebanonensis
 * †Zygospira modesta