List of the Paleozoic life of Tennessee

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

A

 * †Abatocrinus
 * †Abatocrinus grandis
 * †Acanthocrania
 * †Acantholaminatus
 * †Acantholaminatus multistylus
 * †Acantholaminatus typicus
 * †Acodus
 * †Actinoceras
 * †Actinoceras capitolinum
 * †Actinoceras cuvieri
 * †Actinoceras tenuifilum
 * †Actinocrinites
 * †Adinocrinus
 * †Agaricocrinus
 * Agaricocrinus americanus Carboniferous Indiana.jpg †[[Agaricocrinus americanus]]
 * †Agaricocrinus crassus
 * †Agassizocrinus
 * †Agassizocrinus dissimilis
 * †Agelacrinus
 * †Agelacrinus cincinnatiensis
 * †Alaskadiscus
 * †Alaskadiscus cristatus
 * †Alaskadiscus subacutus
 * †Allagecrinida
 * †Alloprosallocrinus
 * †Alloprosallocrinus conicus
 * †Allosaccus
 * †Ambonychia
 * †Ambonychia intermedius
 * †Ammodiscella
 * †Amphilichas
 * †Amphilichas halli
 * †Amphipsalidiocrinus
 * †Amplexizaphrentis
 * Amplexopora petasifomis.jpg †[[Amplexopora]]
 * †Amplexopora ampla
 * †Amplexopora columbiana
 * †Amplexopora convoluta
 * †Amplexopora cylindracea
 * †Amplexopora filiasa
 * †Amplexopora petasiformis
 * †Amplexus
 * †Ampyx
 * †Ampyxina
 * †Anaphragma
 * †Anaphragma hermitagensis
 * †Anaphragma mirabile
 * †Anastrophia
 * †Anastrophia internascens
 * †Anastrophia verneuili
 * †Anazyga
 * †Anazyga recurvirostra
 * †Ancistrorhyncha
 * †Ancistrorhyncha costata
 * †Anisopleurella
 * †Anolotichia
 * †Anolotichia explanata
 * †Anolotichia ponderosa
 * †Anopliopsis
 * †Anoplotheca
 * †Anoplotheca concava
 * †Aphelaspis
 * †Aphelaspis walcotti – type locality for species
 * Cameroceras trentonese.jpg †[[Aphetoceras]]
 * †Aphetoceras oderi
 * †Apodasmocrinus
 * †Apopliopsis
 * †Archinacella
 * †Archinacella patelliformis
 * †Arthroclema
 * †Arthroclema striatum
 * †Astraeospongium
 * †Astreptodictya
 * †Astylospongia
 * †Astylospongia praemorsa
 * †Atactoporella
 * †Atactoporella insueta
 * †Atactoporella mundula
 * †Atactoporella typicalis
 * †Atelelasma
 * †Atelestocrinus
 * †Athrophragma
 * †Atrypa
 * †Atrypa reticularis – report made of unidentified related form or using admittedly obsolete nomenclature
 * †Atrypina
 * †Atrypina disparilis
 * †Atrypina imbricata
 * †Aulacella
 * AuloporaDevonianSilicaShale.jpg †[[Aulopora]]
 * †Aulopora trentonensis
 * †Auloporella
 * †Austinella
 * †Austinella kankakensis
 * †Australosutura
 * †Avaoceras
 * †Avaoceras wellsense

B

 * Bairdia
 * †Barycrinus
 * †Barycrinus rhombiferus
 * †Barycrinus sculptus
 * †Barycrinus spurius
 * †Barycrinus stellatus
 * †Batherocystis
 * †Batherocystis appressa
 * †Bathyurus
 * †Bathyurus extans
 * †Batostoma
 * †Batostoma confertum
 * †Batostoma dendroidea
 * †Batostoma fertile
 * †Batostoma inutile
 * †Batostoma libana
 * †Batostoma minnesotensis
 * †Batostoma ramosum
 * †Batostoma subcrassum
 * †Batostomella
 * †Batostomella subgracilis
 * Bellerophon umbilicalis.jpg †[[Bellerophon (genus)|Bellerophon]]
 * †Belodella
 * †Belodella silurica
 * †Belodina
 * †Bembexia
 * †Bergaueria
 * †Billingsaria
 * †Billingsites
 * †Billingsites williamsportensis – tentative report
 * †Bimuria
 * †Bimuria superba
 * †Botryocrinus
 * †Botryocrinus polyxa
 * †Bouskacrinus
 * †Bouskacrinus waldronensis
 * †Brachymetopus
 * †Brachyprion
 * †Brachyprion purduei
 * †Breyeria
 * †Breyeria rappi – type locality for species
 * †Bucania
 * †Bucanospira – type locality for genus
 * †Bucanospira expansa – type locality for species
 * Trilobite - Bumastus reconstruction 3d.jpg †[[Bumastus]]
 * †Buskopora
 * †Byssonychia
 * †Byssonychia radiata
 * †Bythopora
 * †Bythopora dendrina
 * †Bythopora gracilis
 * †Bythopora laxta

C

 * Calloporina
 * †Calloporina parva
 * †Calopora
 * Calymene clavicula dorsal.jpg †[[Calymene]]
 * †Calymene niagarensis
 * †Calyptaulax
 * †Camarotoechia
 * †Camerella
 * †Carinaropsis
 * †Carinaropsis cunulae
 * †Cartersoceras – type locality for genus
 * †Cartersoceras shideleri – type locality for species
 * †Caryocrinites
 * †Caryocrinites persculptus
 * †Cataschisma
 * †Cataschisma convexum
 * †Catillocrinus
 * †Catillocrinus tennesseeae
 * †Catoraphiceras
 * †Catoraphiceras lobatum
 * †Ceramoporella
 * †Ceramoporella grandis
 * †Ceramoporella ingenua
 * †Ceramoporella ohioensis
 * †Ceramoporella whitei
 * †Ceratopea
 * †Ceratopea grandis
 * †Ceratopsis
 * †Ceratopsis intermedia
 * †Ceraurinus
 * †Ceraurinus scofieldi
 * Ceraurus fossil cropped.png †[[Ceraurus]]
 * †Ceraurus milleranus
 * †Ceraurus pleurexanthemus – or unidentified comparable form
 * †Cestites
 * †Cestites mirabilis
 * †Champlainopora – tentative report
 * †Chasmataspis
 * †Chasmataspis laurencii
 * †Chasmatopora
 * †Chasmatopora sublaxa
 * †Chaulistomella
 * †Chaulistomella ridleyensis
 * †Chazydictya – tentative report
 * †Cheirurus
 * †Cheirurus niagarensis
 * †Chepultapecia
 * †Chepultapecia leiosomella
 * †Chonetes
 * †Chonetes glenparkensis – or unidentified related form
 * †Christiania
 * Cincinnetina meeki (Miller, 1875) slab 3.jpg †[[Cincinnetina]]
 * †Cincinnetina meeki
 * †Cladochonus
 * †Cladochonus amplexus
 * †Cladochonus crassus
 * †Cleiocrinus
 * †Cleiocrinus tessallatus
 * †Cleiothyridina
 * †Cliophorus
 * †Cliophorus fabula
 * †Clisospira
 * †Coeloclema
 * †Coeloclema consimile
 * †Coeloclema inflatum
 * †Coeloclema pierceanum
 * †Colaptomena
 * †Colaptomena obesa
 * †Columbicrinus
 * †Columbicrinus crassus
 * †Columnaria
 * †Columnaria alveolata
 * †Columnaria crenulata
 * †Columnaria halli
 * †Columnaria stellata
 * †Coniculospongia
 * †Coniculospongia radiata
 * †Conocardium
 * †Conotreta
 * Constellaria polystomella Liberty Formation.jpg †[[Constellaria]]
 * †Constellaria emaciata
 * †Constellaria fischeri
 * †Constellaria florida
 * †Constellaria lamellosa
 * †Constellaria polystomella
 * †Constellaria teres
 * †Constellaria varia
 * †Coolinia
 * †Coolinia subplana
 * †Coopericystis – type locality for genus
 * †Coopericystis pyriformis – type locality for species
 * †Cornulites
 * †Cornulites minor
 * †Cornulites proprius
 * †Coronocystis
 * †Corynotrypa
 * †Corynotrypa delicatula
 * †Corynotrypa inflata
 * †Corynotrypa tennesseensis
 * †Corynotrypa turgida
 * †Costalocrinus
 * †Costalocrinus cornutus
 * Crania
 * †Crania laelia
 * †Craniops
 * †Crepicephalus
 * †Crepicephalus comus
 * †Crepicephalus thoosa
 * †Crepipora
 * †Crepipora hemispherica
 * †Crepipora simulans
 * †Crurithyris
 * †Crurithyris parva
 * Cruziana Brallier Harrell Devonian.jpg †[[Cruziana]]
 * †Ctenobolbina
 * †Ctenobolbina subcrassa
 * †Ctenodonta
 * †Ctenodonta gibberula
 * †Ctenodonta hartsvillensis
 * †Ctenodonta hermitagenesis
 * †Ctenodonta hermitagensis
 * †Ctenodonta obliqua
 * †Ctenodonta subrotunda
 * †Ctenostoma
 * †Cuneamya
 * †Cupulocorona
 * †Cupulocorona gemmiformis
 * †Cupulocorona tennesseensis
 * †Cyatbaxonia
 * †Cyatbaxonia tantilla
 * †Cyathaxonia
 * [[File:Cyathocrinites multibrachiatus fossil crinoid (Mississippian; Crawfordsville, Indiana, USA) 2 (17385978065).jpg|thumb|upright=0.3|Fossilized calyx and partial stem of the Silurian-Permian crinoid ("sea lily") Cyathocrinites]] †[[Cyathocrinites]]
 * †Cyathocrinites farleyi
 * †Cyathocrinites iowensis
 * †Cycloholcus – type locality for genus
 * †Cycloholcus nummus – type locality for species
 * †Cyclonema
 * †Cyclonema bilix
 * †Cyclonema fluctuatum
 * †Cyclonema mediale
 * †Cyclonema minuta
 * †Cyclonema praecipitum – type locality for species
 * †Cyclonema varicosum
 * †Cyclora
 * †Cyclora pulcella
 * †Cyphaspis
 * †Cyphaspis christyi
 * †Cyphotrypa
 * †Cyphotrypa acervulosa
 * †Cyphotrypa frankfortensis – or unidentified comparable form
 * †Cypricardinia
 * †Cypricardinia alta
 * †Cyrtina
 * †Cyrtina burlingtonensis
 * Cyrtoceras NT small.jpg †[[Cyrtoceras]]
 * †Cyrtoceras convidale
 * †Cyrtoceras stonense – tentative report
 * †Cyrtoceras vallandighami
 * †Cyrtodonta
 * †Cyrtodonta grandis
 * †Cyrtodonta huronensis
 * †Cyrtodonta saffordi
 * †Cyrtodontula
 * †Cyrtolites
 * †Cyrtolites inornatum
 * †Cyrtolites ornatus
 * †Cyrtolites retrorsus
 * †Cyrtonella
 * †Cyrtonotella
 * †Cyrtospira
 * †Cyrtospira tortilis – type locality for species
 * †Cyrtostropha
 * †Cyrtostropha salteri
 * †Cystodictya

D

 * †Dactylogonia
 * †Dactylogonia incrassata
 * †Dalejina
 * †Dalejina hybrida – report made of unidentified related form or using admittedly obsolete nomenclature
 * †Dalejina newsomensis
 * †Dalmanella
 * †Dalmanella bassleri – or unidentified comparable form
 * †Dalmanella eminens
 * †Dalmanella fertilis
 * †Dalmanella jugosa
 * †Dalmanella subcarinata
 * †Dalmanella tersa
 * SilurianTrilobite.jpg †[[Dalmanites]]
 * †Dalmanites retusus
 * †Dalmanites verrucosus
 * †Dalmanites vigilans
 * †Dapsilodus
 * †Dapsilodus obliquicostatus
 * †Dapsilodus praecipuus
 * †Dapsilodus sparsus
 * †Dasyporella
 * †Dawsonoceras
 * †Decaschisma
 * †Decaschisma lorae
 * †Decaschisma pulchellum
 * †Deceptrix
 * †Decoriconus
 * †Decoriconus fragilis
 * †Dekayella
 * †Dekayella foliacea
 * †Dekayella praenuntia
 * †Dekayella ridleyana
 * †Dekayella trentonensis
 * †Dekayella ulrichi
 * †Deliablastus
 * †Deliablastus cumberlandensis
 * †Delthyris
 * †Delthyris perlamellosa
 * †Dendrocrinus
 * †Dermatostroma
 * †Dermatostroma cavernosum
 * †Dermatostroma scabra
 * †Dermatostroma tyronensis
 * †Diabolirhynchia
 * †Diabolirhynchia acinus
 * †Dianulites
 * †Dianulites petropolitanus – or unidentified comparable form
 * †Diceromyonia
 * †Diceromyonia tersa
 * †Dichocrinus
 * †Dicoelosia
 * †Dicoelosia varica
 * †Dicranopora
 * †Dicranopora fragilis
 * †Dielasma
 * †Dimerocrinites
 * †Dimerocrinites carleyi
 * †Dimerocrinites inornatus
 * †Dimerocrinites occidentalis
 * †Dimorphichnus
 * †Dinorthis
 * †Dinorthis carleyi
 * †Dinorthis pectinella
 * †Dinorthis proavita
 * †Dinorthis retrorsa
 * †Diploclema
 * †Diplotrypa
 * †Diplotrypa catenulata
 * †Diplotrypa dubia
 * †Distomodus
 * †Distomodus staurognathoides
 * †Dolatocrinus
 * †Dolatocrinus helderbergianus
 * †Doleroides
 * †Dolichoharpes
 * †Doraclatum
 * †Doraclotum
 * †Dorytreta
 * †Douglasocaris
 * †Douglasocaris collinsi
 * †Drepanella
 * †Drepanella ampla
 * †Drepanella elongata
 * †Drepanella macra
 * †Dunderbergia – tentative report
 * †Dystactospongia
 * †Dystactospongia insolens
 * †Dystactospongia minor

E

 * †Eatonia
 * †Eatonia tennesseensis
 * Echinosphaerites.JPG †[[Echinosphaerites]]
 * †Ectenoglossa
 * †Ectomaria
 * †Ectomaria adventa – type locality for species
 * †Ectomaria prisca
 * †Edriocrinus
 * †Elliptoglossa
 * †Endocycloceras
 * †Endocycloceras perannulatum
 * †Enterolasma
 * †Enterolasma strictum
 * †Eodictyonella (formerly Dictyonella)
 * †Eodictyonella gibbosa
 * †Eodictyonella reticulata
 * †Eohalysiocrinus
 * †Eohalysiocrinus stigmatus
 * †Eohalysiocrinus type locality for species 1 – informal
 * †Eohalysiocrinus type locality for species 2 – informal
 * †Eoleperditia
 * †Eoplectodonta
 * †Eospirifer
 * †Eospirifer radiatus
 * †Eotomaria
 * †Eotomaria canalifera
 * †Eotomaria dryope
 * †Eotomaria labiosa
 * †Eremotrema
 * Batocrinidae - Eretmocrinus.JPG †[[Eretmocrinus]]
 * †Eretmocrinus magnificus
 * †Eridotrypa
 * †Eridotrypa aedilis
 * †Eridotrypa briareus
 * †Eridotrypa mutabilis
 * †Escharopora
 * †Escharopora angularis
 * †Escharopora briareus
 * †Escharopora confluens
 * †Escharopora falciformis
 * †Escharopora libana
 * †Escharopora maculata – or unidentified comparable form
 * †Escharopora pavonia
 * †Escharopora ramosa
 * †Escharopora subramosa
 * †Escharopora subrecta
 * EucalyptocrinitesCalyx.jpg †[[Eucalyptocrinites]]
 * †Eucalyptocrinites caelatus
 * †Eucalyptocrinites crassus
 * †Eucladocrinus
 * †Eucladocrinus millebrachiatus
 * †Eumorphocystis – tentative report
 * †Eunema
 * †Eunema centralis
 * †Euomphalopsis
 * †Euomphalopsis involuta
 * †Eurychilina
 * †Eurychilina aequalis
 * †Eurychilina subradiata
 * †Eurydictya
 * †Euryoblastus
 * †Euryoblastus veryi
 * †Eutrochoceras

F

 * †Fascifera
 * †Fascifera stonensis
 * †Favistella
 * †Favositella
 * †Favositella epidermata
 * †Favosites
 * †Favosites conicus
 * †Favosites forbesi
 * †Favosites spinigerus
 * †Fenestella
 * †Fletcheria
 * †Fletcheria incerta
 * Flexicalymene-ouzregui-rolled.jpg †[[Flexicalymene]]
 * †Flexicalymene meeki
 * †Flexicalymene senaria
 * †Foerstecystis
 * †Foerstecystis obliqua
 * †Foerstephyllum
 * †Foerstia
 * †Foerstia ohioensis
 * †Forbesiocrinus
 * †Forbesiocrinus wortheni

G

 * †Gasconadia
 * †Gasconadia putilla
 * †Gaulocrinus
 * †Gaulocrinus bordeni
 * †Gaulocrinus veryi
 * †Geniculifera
 * †Geraocrinus
 * †Geraocrinus sculptus
 * Rhodocrinidae - Gilbertsocrinus tuberosus.JPG †[[Gilbertsocrinus]]
 * †Gilbertsocrinus tuberosus
 * †Ginkgospongia
 * †Ginkgospongia foliata
 * †Girvanella
 * †Glyphaspis – tentative report
 * †Glyptocrinus
 * †Glyptocrinus decadactylus
 * †Glyptocrinus subglobosus
 * †Glyptograptus
 * †Glyptorthis
 * †Glyptorthis assimilis
 * †Glyptorthis bellarugosa
 * †Glyptorthis insculpta
 * †Glyptorthis irregularis – type locality for species
 * †Glyptorthis maquoketensis
 * †Gonioceras
 * †Gonioceras anceps
 * †Gonioceras occidentale
 * †Goniotrypa
 * †Goniotrypa bilateralis
 * †Graphiadactyllis
 * †Graphiadactyllis lineata
 * †Graptodicta
 * †Graptodicta fruticosa
 * †Graptodictya
 * †Graptodictya dendroidea
 * †Graptodictya provia
 * †Gravicalymene
 * RugosaOrdovician.jpg †[[Grewingkia]]
 * †Grewingkia canadensis
 * †Griffithidella
 * †Grifithidella
 * †Gypidula

H
†Hyolithes
 * †Hadroblastus
 * †Hagnocrinus
 * †Hagnocrinus crenus – type locality for species
 * Hallopora multitabulata fossil bryozoan (Ordovician; Frankfort IL.jpg †[[Hallopora]]
 * †Hallopora angularis
 * †Hallopora dalei
 * †Hallopora dumalis
 * †Hallopora florencia
 * †Hallopora multitabulata
 * †Hallopora onealli
 * †Hallopora pulchella
 * †Hallopora ramosa
 * †Hallopora rugosa
 * †Hallopora spissata
 * †Halysiocrinus
 * †Halysiocrinus cumberlandensis
 * †Halysiocrinus tunicatus
 * †Haplistion
 * †Haplistion lobatum
 * †Hebertella
 * †Hebertella frankfortensis
 * †Hebertella occidentalis
 * †Hebertella sinuata
 * †Hedeina
 * †Hedeina eudora
 * †Hedstroemia
 * Helcionopsis radiatum.jpg †[[Helcionopsis]]
 * †Helcionopsis striata
 * †Helicelasma
 * †Helicelasma rusticum
 * †Helicotoma
 * †Helicotoma declivis
 * †Helicotoma granosa
 * †Helicotoma planulatoides
 * †Helicotoma subquadrata
 * †Helicotoma tennesseensis
 * †Helopora
 * †Helopora spiniformis
 * †Hemidictya
 * †Hemidictya lebanonensis
 * †Hemiphragma
 * †Hemiphragma irrasum
 * †Hemiphragma ottawaensis
 * †Hesperorthis
 * †Hesperorthis australis
 * †Hesperorthis tricenaria
 * †Heterorthis
 * †Heterorthis clytie
 * †Heterospongia
 * †Heterospongia subramosa
 * †Heterotrypa
 * †Heterotrypa echinata
 * †Heterotrypa exovaria
 * †Heterotrypa frondosa
 * †Heterotrypa magnopora
 * †Heterotrypa parulipora
 * †Heterotrypa parvulipora
 * †Heterotrypa patera
 * †Heterotrypa praenuntia
 * †Heterotrypa rugosa
 * †Heterotrypa simplex
 * †Heterotrypa solitaria
 * †Heterotrypa stonensis
 * †Heterotrypa subpulchella
 * †Heterotrypa subramosa
 * †Heterotrypa subtrentonensis
 * †Heterotrypa tuberculata
 * †Hexacrinites
 * †Hibbertia
 * †Hindia
 * †Hindia parva
 * †Hindia sphaeroidalis
 * †Hiscobeccus
 * †Hiscobeccus capax
 * Holopeidae - Holopea praestans.JPG †[[Holopea]]
 * †Homoeospira
 * †Homoeospira evax
 * †Homotrypa
 * †Homotrypa arbuscula
 * †Homotrypa callosa
 * †Homotrypa centralis
 * †Homotrypa curvata
 * †Homotrypa flabellaris
 * †Homotrypa grandis
 * †Homotrypa minnesotensis
 * †Homotrypa similis
 * †Homotrypa subramosa
 * †Homotrypa tabulata
 * †Homotrypa tuberculata
 * †Homotrypella
 * †Homotrypella hospitalis
 * †Homotrypella nodosa
 * †Hormotoma
 * †Hormotoma columbiana
 * †Hormotoma gracilis
 * †Howellella
 * †Howellella crispa – or unidentified comparable form
 * †Hudsonaster
 * †Hudsonaster narrowayi
 * †Hustedia
 * †Hyolithes newsomensis

I

 * Illaenidae - Illaenus tauricornis.JPG †[[Illaenus]]
 * †Ischadites
 * †Ischadites turbinatus – or unidentified comparable form
 * †Isochilina
 * †Isochilina ampla
 * †Isochilina columbiana
 * †Isochilina jonesi
 * †Isochilina saffordi
 * †Isophragma
 * †Isophragma extensum
 * †Isophragma subabbreviatum – type locality for species
 * †Isorthis
 * †Isorthis pygmaea
 * Isotelus brachycephalus.JPG †[[Isotelus]]

K

 * †Kallimorphocrinus
 * †Kallimorrhocrinus
 * †Kirkbya
 * †Kirkbya fernglepensis
 * †Kirkbyella
 * †Kloedenia
 * †Kloedenia praenuntia
 * †Kockelella
 * †Kockelella amsdeni
 * †Kockelella ortus
 * †Kockelella ranuliformis
 * †Kockelella stauros
 * †Kockelella variabilis
 * †Kockelella walliseri
 * †Krausella
 * †Krausella arcuata

L

 * †Labriproductus – tentative report
 * †Lambeophyllum
 * †Lambeophyllum profundum
 * †Lampadosocrinus
 * †Lampterocrinus
 * †Leangella
 * †Leangella tennesseensis
 * †Lecanocrinus
 * †Lecanocrinus pusilla
 * †Lecanocrinus pusillus
 * †Leiochonetes
 * †Leperditella
 * †Leperditella tumida
 * †Leperditia
 * †Leperditia appressa
 * †Leperditia appresso
 * †Leperditia columbiana
 * †Leperditia fabulites
 * †Leperditia pondi
 * †Leperditia tumidula
 * †Lepidocoleus
 * †Lepidocyclus
 * †Lepidocyclus manniensis
 * †Leptaena
 * †Leptaena moniquensis
 * †Leptaena rhomboidalis
 * †Leptaena richmondensis
 * †Leptaenisca
 * †Leptaenisca concava
 * †Leptellina
 * †Leptostrophia
 * †Lichenaria
 * †Lichenaria carterensis
 * †Lichenaria globularis
 * †Lichenaria grandis
 * †Lichenaria parva
 * †Licrophycus
 * †Licrophycus libana
 * †Lingulasma
 * †Lingulasma matutinum – type locality for species
 * Lingulella caelata 1.png †[[Lingulella]]
 * †Lingulops
 * †Lingulops cliftonensis
 * †Lingulops norwoodi
 * †Lioclemella
 * †Lioclemella bifurcata
 * †Liospira
 * †Liospira americana
 * †Liospira decipens
 * †Liospira progne
 * †Liospira subconcava
 * †Liospira vitruvia
 * †Lissatrypa – tentative report
 * †Lobomelocrinus
 * †Lobomelocrinus obconicus
 * †Lobomelocrinus rugatus
 * Lonchodomas mcgeheei CRF.jpg †[[Lonchodomas]]
 * †Lophospira
 * †Lophospira conoidea
 * †Lophospira milleri
 * †Lophospira obliqua
 * †Lophospira perangulata – type locality for species
 * †Lophospira producta
 * †Lophospira selecta – type locality for species
 * †Lophospira superba – type locality for species
 * †Loxobucania
 * †Loxobucania emmonsi
 * †Loxobucania nashvillensis – type locality for species
 * †Loxonema
 * †Lyriocrinus
 * †Lyriocrinus melissa
 * †Lyrodesma
 * †Lytospira
 * †Lytospira undulatus

M

 * †Maclurina
 * †Maclurina bigsbyi
 * †Macluritella
 * †Macluritella uniangulata
 * †Maclurites
 * †Maclurites magnus
 * †Maclurites nitidus
 * †Macrocrinus
 * †Macropleura
 * †Macrostylocrinus
 * †Macrostylocrinus fasciatus
 * †Macrostylocrinus striatus
 * †Magnuscrinus
 * †Magnuscrinus kammeri
 * †Magnuscrinus praegravis
 * †Manespira
 * †Manespira rotunda – type locality for species
 * †Marginatia
 * †Marsupiocrinus
 * †Mauryella
 * †Mauryella mammillata
 * †Meekopora
 * †Meekopora clausa – or unidentified comparable form
 * †Megamyonia
 * †Megamyonia unicostata
 * †Meilsonia
 * †Menoieidina
 * †Merista
 * †Merista nitida
 * Meristella two views.png †[[Meristella]]
 * †Meristella atoka
 * †Meristina
 * †Meristina maria
 * †Meristina rectirostra
 * †Mesotrypa
 * †Mesotrypa angularis
 * †Mesotrypa crustulata
 * †Mesotrypa dubia
 * †Mespilocrinus
 * †Mespilocrinus romingeri
 * †Metichthyocrinus
 * †Metichthyocrinus clarkensis
 * †Metichthyocrinus tiaraeformis
 * †Metriophyllum
 * †Metriophyllum deminutivum
 * †Metriophyllum diminutivum
 * †Michelinia
 * †Michellinia
 * †Mimella
 * †Mimella borealis
 * †Mitoclema
 * †Mitoclema cinctosum
 * †Modiolodon
 * †Modiolodon ganti
 * †Modiolodon oviformis
 * †Modiolodon winchelli
 * †Modiolopsis
 * †Modiolopsis consimilis – tentative report
 * †Modiolopsis modiolaris
 * †Modiolopsis truncatus
 * †Monomorphichnus
 * †Monotrypa
 * †Monticulipora
 * †Monticulipora cincinnatiensis
 * †Monticulipora compacta
 * †Monticulipora discula
 * †Monticulipora disicula
 * †Monticulipora intersita
 * †Monticulipora mammulata
 * †Monticulipora molesta
 * †Mulceodens
 * †Multicostella
 * †Multicostella plena – type locality for species
 * †Myelodactylus

N

 * †Nanillaenus
 * †Nematopora
 * †Nemtatopora
 * †Newportopora
 * †Newsomella
 * †Newsomella revolutadivaricata
 * †Newsomella ulrichi
 * †Nicholsonella
 * †Nicholsonella frondifera
 * †Nicholsonella pulchra
 * †Nicholsonella vaupeli – or unidentified comparable form
 * †Nipterocrinus
 * †Nipterocrinus monroensis
 * †Nolichuckia
 * †Nolichuckia casteri
 * †Nucelospira
 * †Nucelospira rowleyi
 * †Nucleospira
 * †Nucleospira pisiformis
 * †Nucleospira rowleyi
 * †Nucularca
 * †Nucularca pectunculoides
 * †Nuculopsis
 * †Nyctopora

O

 * †Oepikina
 * †Omospira
 * †Omospira laticincta
 * †Onychoplecia
 * †Ophileta
 * †Ophileta supraplana
 * †Ophiletina
 * †Ophiletina sublaxa
 * †Opikina
 * †Opikina glabella
 * †Opikina speciosa
 * †Orbiculoidea
 * †Orbiculoidea cellulosa
 * †Orbignyella
 * †Orbignyella multitabulata
 * †Orbignyella nodosa
 * †Orbignyella sublamellosa
 * †Orbignyella wetherbyi
 * †Orthambonites
 * †Orthoceras
 * †Orthodesma
 * †Orthograptus
 * †Orthorhynchula
 * †Orthorhynchula linneyi
 * †Orthostrophia
 * †Orthostrophia strophomenoides
 * †Ottoseetaxis
 * †Ovatia
 * †Ozarkodina
 * †Ozarkodina bohemica
 * †Ozarkodina confluens
 * †Ozarkodina sagitta

P

 * †Pachydicta
 * †Pachydicta grandis
 * †Pachydictya
 * †Pachydictya foliata – or unidentified comparable form
 * †Pachydictya senilis
 * †Pachystrophia
 * †Pachystrophia contiguus – type locality for species
 * [[File:Paciphacops claviger, Early Devonian, Wenban Limestone, Cortez Range, Nevada, USA - Houston Museum of Natural Science - DSC01635.JPG|thumb|upright=0.636|Fossil of the trilobite Paciphacops]] †[[Paciphacops]]
 * †Paciphacops logani
 * †Palaeacis
 * †Palaeacis enormis
 * †Palaeocrinus
 * †Palaeocrinus sulcatus
 * †Palaeophycus
 * †Palaeostrophomena
 * †Palaeostrophomena superba – type locality for species
 * †Paleoalveolites
 * †Panderodus
 * †Panderodus panderi – tentative report
 * †Panderodus unicostatus
 * †Parachaetetes – tentative report
 * †Paracyrtolites
 * †Paracyrtolites subplanus
 * †Paradichocrinus
 * †Paradichocrinus planus
 * †Paraliospira
 * †Paraliospira abrupta – type locality for species
 * †Parvohallopora
 * †Parvohallopora granda
 * †Parvohallopora pulchella
 * †Passalocrinus
 * †Passalocrinus triangularis
 * †Paterula
 * †Paterula perfecta
 * †Paucicrura
 * †Paucicrura quadrata
 * †Paupospira
 * †Paupospira bowdeni
 * †Paupospira burginensis
 * †Paupospira oweni
 * †Paupospira sumnerensis
 * †Paupospira tropidophora
 * †Paurorthis
 * †Paurorthis longa
 * Pentremites Glen Dean Fm KY.jpg †[[Pentremites]]
 * †Pentremites princetonensis
 * †Pentremites pulchellus
 * †Perimecocoelia
 * †Peronopora
 * †Peronopora compressa
 * †Peronopora decipiens
 * †Peronopora milleri
 * †Peronopora mundula
 * †Peronopora pavonia
 * †Peronopora weirae
 * †Petalichnus
 * †Petigopora
 * †Petigopora gregaria
 * †Petigopora petechialis
 * †Petrocrania
 * †Petrocrania scabiosa
 * †Phaenopora
 * †Phanocrinus
 * †Phanocrinus sagillatus – type locality for species
 * †Pharetrolites
 * †Phillibole
 * †Phillibole conkini – or unidentified comparable form
 * †Phimocrinus
 * †Phragmolites
 * †Phragmolites cellulosus
 * †Phragmolites dyeri
 * †Phragmolites triangularis – type locality for species
 * †Phycodes
 * †Phyllodictya
 * †Phyllodictya frondosa
 * †Phylloporina
 * †Phylloporina clathrata
 * †Phylloporina reticulata
 * †Piltonia
 * †Piltonia tennesseensis
 * †Pionodema
 * †Pionodema aberstadti – type locality for species
 * †Pionodema minuscula
 * †Pionodema subaequata
 * †Pionomena
 * †Pisocrinus
 * †Pisocrinus gemmiformis
 * †Pisocrinus quinquelobus
 * †Plaesiomys
 * †Plaesiomys bellistriatus
 * †Plaesiomys proavitus
 * †Plaesiomys subquadrata
 * Planolites.jpg †[[Planolites]]
 * †Platyceras – type locality for genus
 * †Platyceras nelsoni – type locality for species
 * †Platyceras niagarense
 * †Platyceras plebium
 * †Platyceras princeps – type locality for species
 * †Platycrinites
 * †Platycrinites hemisphaericus
 * †Platycrinites saffordi
 * PlatystrophiaOrdovician.jpg †[[Platystrophia]]
 * †Platystrophia acutilirata
 * †Platystrophia amoena
 * †Platystrophia colbiensis
 * †Platystrophia crassa
 * †Platystrophia cypha
 * †Platystrophia elegantula
 * †Platystrophia extensa
 * †Platystrophia globosa
 * †Platystrophia hermitagensis
 * †Platystrophia juvenis
 * †Platystrophia laticosta
 * †Platystrophia nitida
 * †Platystrophia ponderosa
 * †Platystrophia precursor
 * †Platystrophia strigosa
 * †Platystrophia sublaticosta
 * †Plectambonites
 * †Plectambonites clarksvillensis
 * †Plectambonites saxea
 * †Plectambonites sericeus
 * †Plectoceras
 * †Plectoceras bondi
 * †Plectorthis
 * †Plectospira
 * Pleurodictyum americanum Kashong.jpg †[[Pleurodictyum]]
 * †Pliomerops
 * †Plumulites
 * †Polydeltoideus
 * †Polyplacognathus
 * †Prasopora
 * †Prasopora contigus
 * †Prasopora falesi
 * †Prasopora insularis
 * †Prasopora nodosa
 * †Prasopora patera
 * †Prasopora simulatrix
 * †Primitiella
 * †Primitiella constricta
 * †Prismostylus
 * †Prismostylus fibratum
 * Proboscina
 * †Proboscina auloporoides
 * †Proboscina frondosa
 * †Productina
 * †Productina sampsoni – tentative report
 * †Proetides – tentative report
 * Proetus concinnus reconstruction cropped.png †[[Proetus (trilobite)|Proetus]]
 * †Proetus parviusculus
 * †Prokopicrinus
 * †Prokopicrinus barricki
 * †Protarea
 * †Protarea richmondensis
 * †Proteoceras
 * †Proteoceras tyronensis
 * †Protopanderodus
 * †Protoryncha
 * †Protoryncha ridleyana
 * †Protosalvinia
 * †Pseudobythocyoris
 * †Pseudooneotodus
 * †Pseudooneotodus bicornis
 * †Pseudotythocyoris
 * †Pterinea
 * †Pterinea cincinnatiensis
 * †Pterinea demissa
 * †Pterotheca
 * †Pterotheca saffordi
 * †Pterotheca undulata
 * †Pterygometopus
 * †Pterygometopus carleyi
 * †Pterygometopus troosti
 * †Pterygometrus
 * †Pterygometrus troosti
 * †Ptilotrypa
 * †Ptilotrypa obliquata
 * †Ptychopleurella
 * †Ptychopleurella bassleri
 * †Punctospirifer
 * †Punctospirifer subellipticus
 * †Pygodus

Q

 * †Quadratia

R

 * †Rafinesquina
 * †Rafinesquina alternata
 * †Rafinesquina hermitagensis
 * †Rafinesquina ponderosa
 * †Raphistoma
 * †Raphistoma striatum
 * †Raphistomina
 * †Raphistomina lapicida
 * †Raphistomina modesta
 * †Renalcis
 * †Resserella
 * †Resserella elegantula
 * †Retrorsirostra
 * †Retrorsirostra carleyi
 * †Rhabdocrinus
 * †Rhinidictya
 * †Rhinidictya basalis
 * †Rhinidictya lebanonensis
 * †Rhinidictya nashvillensis
 * †Rhinidictya nicholsoni
 * †Rhinidictya salemensis
 * †Rhinidictya tabulata
 * †Rhinidictya trentonensis
 * †Rhipidomella
 * †Rhipidomella emarginata
 * †Rhipidomelloides
 * †Rhipidomelloides oblata
 * †Rhipidomena
 * †Rhombopora
 * †Rhombotrypa
 * †Rhombotrypa quadrata
 * †Rhychotrema
 * †Rhychotrema increbescens
 * †Rhynchocamera
 * †Rhynchocamera varians
 * †Rhynchopora
 * †Rhynchospirina
 * †Rhynchospirina formosa
 * †Rhynchotrema
 * †Rhynchotrema dentatum
 * †Rhynchotrema increbescens
 * †Rhynchotrema perlamellosum
 * †Rhynchotreta
 * †Rhynchotreta americana
 * †Rhytiophora
 * †Robergia
 * Rostricellula
 * †Rostricellula orientalis
 * †Rugosochonetes
 * RusophycusOrdovician.jpg †[[Rusophycus]]

S

 * †Saccocrinus
 * †Saccocrinus christyi
 * †Saccospongia
 * †Saccospongia danvillensis
 * †Saccospongia laxata
 * †Saffordotaxis
 * †Saffordotaxis incrassatus – or unidentified comparable form
 * †Sagenocrinites
 * Salterella pulchella.png †[[Salterella]]
 * †Salterella billingsi
 * †Schizambon
 * †Schizolopha – type locality for genus
 * †Schizolopha textilis – type locality for species
 * †Schizopea
 * †Schizopea grandis
 * †Schuchertella
 * †Schuchertella louisianensis
 * †Schuchertocystis
 * †Schuchertocystis radiata
 * †Scolithos
 * †Scolithos columbiana
 * †Scyphocrinites
 * †Septopora
 * †Sievertsia
 * †Sinuopea
 * †Sinuopea basiplanata
 * †Siphonotreta
 * †Siphonotreta americana – type locality for species
 * †Skenidioides
 * †Skenidium
 * †Skenidium anthonense
 * †Skenidium halli
 * Skolithos.jpg †[[Skolithos]]
 * †Solenopora
 * †Solenopora compacta
 * †Sowerbyella
 * †Sowerbyella lebanonensis
 * †Sowerbyella varicostellata – type locality for species
 * †Sphaerirhynchia
 * †Sphaerirhynchia stricklandi
 * †Sphaerocodium – tentative report
 * †Sphaerocyclus – report made of unidentified related form or using admittedly obsolete nomenclature
 * †Sphaerocyclus tuber
 * †Sphenosphaera
 * †Sphenosphaera capax
 * †Sphenosphaera rogersensis
 * †Sphenosphaera troosti
 * Spirifer perlamosus pedunculate valve.jpg †[[Spirifer]]
 * †Spirifer shephardi – or unidentified related form
 * †Spirifer vernonensis – or unidentified related form
 * Spirorbis
 * †Springerocystis
 * †Springerocystis longicallis
 * †Spyroceras
 * †Spyroceras bilineatum
 * †Stegerhynchus
 * †Stegerhynchus indianensis
 * †Stegerhynchus whitei
 * †Stegerhynchus whitii
 * †Stellipora
 * †Stellipora stipata
 * †Stenoporida
 * †Stereocrinus
 * †Stictopora
 * †Stictoporella
 * †Stictoporella angularis
 * †Stictoporella cribrilina
 * †Stigmatella
 * †Stigmatella distinctaspinosa
 * †Stiodermiella
 * †Stiodermiella amanita
 * †Stiodermiella tetragona
 * †Stiptocrinus
 * †Straparollina
 * †Straparollina cassina – type locality for species
 * †Straparollus
 * †Streblochondria
 * †Streblopteria
 * †Streblotrypa
 * †Streptaster
 * †Streptaster vorticellatus
 * †Streptelasma
 * †Streptelasma corniculum – or unidentified comparable form
 * †Streptelasma parisiticum – tentative report
 * †Striatopora
 * †Strictoporella
 * †Strictoporella cribilina
 * †Striispirifer
 * †Stromatocerium
 * †Stromatocerium huronensis
 * †Stromatocerium pustulosum
 * †Stromatocerium rugosum – or unidentified comparable form
 * †Stromatopora
 * †Stromatopora arachnoidea
 * †Stromatotrypa
 * †Stromatotrypa incrusans
 * †Stromatotrypa lamellata
 * †Stromatotrypa regularis
 * †Strophalosia – tentative report
 * Strophomena costellata brachial.jpg †[[Strophomena]]
 * †Strophomena concordensis
 * †Strophomena filitexta
 * †Strophomena incurvata
 * †Strophomena neglecta
 * †Strophomena odessae
 * †Strophomena planoconvexa
 * †Strophomena planodorsata
 * †Strophomena planumbona
 * †Strophomena sinuata
 * †Strophomena subtenta
 * †Strophomena vicina
 * †Strophonella
 * †Strophonella lineolata
 * †Strophonella semifasciata
 * †Strophopleura
 * †Strophostylus
 * †Strophostylus cyclostomus
 * †Subulites
 * †Subulites nanus
 * †Subulites regularis
 * †Synbathocrinus
 * †Synbathocrinus swallovi

T

 * †Talarocrinus
 * †Talarocrinus inflatus
 * †Talarocrinus trijugis
 * †Talasotreta – tentative report
 * †Talasotreta alta – type locality for species
 * †Tarphophragma
 * †Tarphophragma ampla
 * †Tarphophragma multitabulata
 * †Taxocrinus
 * Tentaculitid041011.jpg †[[Tentaculites]]
 * †Tentaculites obliquus
 * †Tetradella
 * †Tetradella quadrilirata
 * †Tetradium
 * †Tetradium carterensis
 * †Tetradium cellulosum
 * †Tetradium columnare
 * †Tetradium laxum
 * †Tetradium minus
 * †Tetradium syringoporoides
 * †Tetradium ulrichi
 * †Tetranota
 * †Tetranota bidorsata
 * †Tetranota sexcarinata
 * †Tetrasacculus
 * †Tetrasacculus stewartae
 * †Thaerodonta
 * †Thaerodonta recedens
 * †Thalamocrinus
 * †Thamniscus
 * †Theloreus
 * †Thinocrinus
 * †Thinocrinus lowei
 * Thurammina
 * †Titanambonites
 * †Titanambonites amplus
 * †Tolypammina
 * †Trematis
 * †Trematospira
 * †Trepospira
 * Tricrepicephalus texanus CRF.jpg †[[Tricrepicephalus]]
 * †Tricrepicephalus walcotti
 * †Trigonodictya
 * †Trigonodictya irregularis
 * †Trimerus
 * †Trimerus delphinocephalus
 * †Triplesia
 * †Triplesia putillus
 * †Trochonema
 * †Trochonema bellulum
 * †Trochonema eccentricum
 * †Trochonema trochonemoides – type locality for species
 * †Trochonema umbilicata
 * †Trochonemella – tentative report
 * †Trochonemella knoxvillensis – type locality for species
 * †Trochonemella notablis – type locality for species
 * †Trochophyllum
 * †Trochophyllum verneuili
 * †Trophocrinus
 * †Twenhofelella
 * †Twenhofelella bulbulus
 * †Tyrridiocystis

U

 * †Ulrichocystis
 * †Ulrichocystis eximia
 * †Uncinulus
 * †Uncinulus swaynensis
 * †Uncinulus vellicatus
 * †Undulabucania
 * †Undulabucania punctifrons
 * †Uperocrinus
 * †Uperocrinus apheles
 * †Uperocrinus nashvillae
 * †Uperocrinus robustus

V

 * †Valcourea
 * †Valcourea deflecta
 * †Vanuxemia
 * †Vanuxemia hayniana
 * †Vermiporella

W

 * †Walliserodus
 * †Walliserodus sancticlairi
 * †Westonia
 * †Whiteavesia
 * †Whiteavesia saffordi
 * †Whitfieldella
 * †Whitfieldella nitida
 * †Wurmiella
 * †Wurmiella excavata

X

 * †Xyeleblastus
 * †Xyeleblastus magnificus

Z

 * †Zittelella
 * †Zittelella varians
 * †Zophocrinus
 * †Zygospira
 * †Zygospira lebanonensis – type locality for species
 * †Zygospira modesta
 * †Zygospira saffordi