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 541 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
  • †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
  • Fossils of the Ordovician-Permian bryozoan Amplexopora
    †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
  • Restoration of the Late Ordovician nautiloid cephalopod Aphetoceras being preyed upon by a Cameroceras
    †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
  • Fossil of the Late Ordovician-Permian tabulate coral Aulopora
    †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
  • Fossilized shell of the Silurian-Early Triassic mollusc Bellerophon
    †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
  • Life restoration of the Early Ordovician-Silurian trilobite Bumastus
    †Bumastus
  • †Buskopora
  • †Byssonychia
    • †Byssonychia radiata
  • †Bythopora
    • †Bythopora dendrina
    • †Bythopora gracilis
    • †Bythopora laxta

C
  • Calloporina
    • †Calloporina parva
  • †Calopora
  • Fossil of the Early Ordovician-Early Devonian trilobite Calymene
    †Calymene
  • †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
  • Fossil of the Middle-Late Ordovician trilobite Ceraurus
    †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
  • Assemblage of fossilized shells of the Ordovician brachiopod Cincinnetina
    †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
  • Fossil of the Ordovician bryozoan Constellaria
    †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
  • Fossil of the Devonian-Triassic arthropod trackway ichnogenus Cruziana
    †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
  • 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
  • Restoration of the Cambrian-Middle Devonian nautiloid cephalopod Cyrtoceras
    †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
  • Fossil of the Late Ordovician-Middle Devonian trilobite Dalmanites
    †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
  • †Dictyonella
    • †Dictyonella gibbosa
    • †Dictyonella reticulata
  • †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
  • Fossil of the Early-Middle Ordovician cystoid echinoderm Echinosphaerites
    †Echinosphaerites
  • †Ectenoglossa
  • †Ectomaria
    • †Ectomaria adventa – type locality for species
    • †Ectomaria prisca
  • †Edriocrinus
  • †Elliptoglossa
  • †Endocycloceras
    • †Endocycloceras perannulatum
  • †Enterolasma
    • †Enterolasma strictum
  • †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
  • Fossilized calyx and partial stem of the Carboniferous crinoid ("sea lily") Eretmocrinus
    †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
  • Fossilized calyx of the Silurian-Middle Devonian crinoid ("sea lily") Eucalyptocrinites
    †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
  • Front (left) and right side (right) views of an enrolled fossil of the Middle Ordovician-Silurian trilobite Flexicalymene
    †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
  • Fossilized calyx and partial stem of the Devonian-Carboniferous crinoid ("sea lily") Gilbertsocrinus
    †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
  • Multiple views of a fossil of the Ordovician horn coral Grewingkia
    †Grewingkia
    • †Grewingkia canadensis
  • †Griffithidella
  • †Grifithidella
  • †Gypidula

H
  • †Hadroblastus
  • †Hagnocrinus
    • †Hagnocrinus crenus – type locality for species
  • Fossil of the Ordovician bryozoan ("moss animal") Hallopora
    †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
  • Fossilized shell of the Silurian mollusc Helcionopsis
    †Helcionopsis
  • †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
  • Fossilized shells of the Ordovician-Carboniferous sea snail Holopea
    †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
Fossilized shells of the Cambrian-Permian brachiopod relative Hyolitha

†Hyolithes

    • †Hyolithes newsomensis

I
  • Fossil of the Middle Ordovician trilobite Illaenus
    †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
  • Fossil of the Middle-Late Ordovician giant trilobite Isotelus.
    †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
  • Illustration of a fossilized shell of the Cambrian-Late Ordovician brachiopod Lingulella
    †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
  • Fossil of the Ordovician trilobite Lonchodomas
    †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
  • Illustration (lower right, entry 15) of a fossilized shell in front and side views of the Silurian-Late Devonian brachiopod Meristella
    †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
  • 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
  • Fossilized theca of the Carboniferous blastoid echinoderm ("sea bud") Pentremites
    †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
  • Fossils of the burrow ichnogenus Planolites
    †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
  • Fossilized shell of the Middle Ordovician-Silurian brachiopod Platystrophia
    †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
  • Fossil of the Silurian-Carboniferous tabulate coral Pleurodictyum
    †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
  • Restoration of the Silurian trilobite Proetus
    †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

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
  • Fossil of the arthropod burrow ichnogenus Rusophycus
    †Rusophycus

S
  • †Saccocrinus
    • †Saccocrinus christyi
  • †Saccospongia
    • †Saccospongia danvillensis
    • †Saccospongia laxata
  • †Saffordotaxis
    • †Saffordotaxis incrassatus – or unidentified comparable form
  • †Sagenocrinites
  • Illustration of fossilized shells of the mysterious Cambrian organism Salterella
    †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
  • Fossils of the Cambrian-modern worm burrow ichnogenus Skolithos
    †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
  • Fossilized shell of the Late Ordovician-Late Triassic brachiopod Spirifer
    †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
  • Fossilized shell of the Ordovician-Silurian brachiopod Strophomena
    †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
  • Fossilized shell of the Early Ordovician-Late Devonian probable mollusc Tentaculites
    †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
  • Fossil of the Cambrian trilobite Tricrepicephalus
    †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
gollark: PotatOS not-really-machine-code™ 0.0.0.1 is here, and it has one instruction, which prints "hello world".
gollark: What are they saying, "can y"?
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gollark: It's not in the excellent heavpoot style.
gollark: For Haskell, maybe incomprehensible algorithms, weird custom operators, functional purity and not doing anything, sort of thing.

References
  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 7 August 2017.
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