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 541 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
  • Fossils of the Ordovician-Permian bryozoan Amplexopora
    † 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
  • Fossils of the Carboniferous-Permian bryozoan Archimedes
    †Archimedes
  • † Arthrorhachis
  • † Athyris
    • † Athyris angelica
    • † Athyris lamellosa
  • † Atlanticocoelia
    • † Atlanticocoelia acutiplicata
  • † Atrypa
  • † 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
  • Fossilized shell of the Silurian-Early Triassic mollusc Bellerophon
    †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
  • Life restoration of the Late Devonian placoderm fish Bothriolepis
    † 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
  • Fossil of the Early Ordovician-Early Devonian trilobite Calymene
    † 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
  • Fossil of the Middle-Late Ordovician trilobite Ceraurus
    † 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
  • Assemblage of fossilized shells of the Ordovician brachiopod Cincinnetina
    † 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
  • Assemblage of fossils of the Cambrian graptolite Climacograptus
    † 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
  • Fossilized shell of the Late Devonian-Permian brachiopod Composita
    † 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
  • Fossil of the Middle Ordovician-Carboniferous horn coral Cornulites
    † 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
  • Restoration of the Cambrian-Middle Devonian nautiloid cephalopod Cyrtoceras
    † 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
  • Fossil of the Late Ordovician-Middle Devonian trilobite Dalmanites
    † 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
  • Cambrian graptolite Diplograptus
    † 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
  • Fossil of the Early-Middle Ordovician cystoid echinoderm Echinosphaerites
    † 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
  • Illustration with inset cross-section diagrams of the Cambrian sponge Ethmophyllum
    † 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
  • Fossil of the Late Ordovician-Permian tabulate coral Favosites
    † 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
  • Front (left) and right side (right) views of an enrolled fossil of the Middle Ordovician-Silurian trilobite Flexicalymene
    † 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
  • Fossil of the Ordovician bryozoan ("moss animal") Hallopora
    † 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
  • Fossilized shells of the Ordovician-Carboniferous sea snail Holopea
    † 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
Fossilized shells of the Cambrian-Permian brachiopod relative Hyolitha

† Hyolithes

  • † Hypseloconus
    • † Hypseloconus bessemerense – or unidentified comparable form
  • † Hystricurus – tentative report

I
  • Fossil of the Middle Ordovician trilobite Illaenus
    † Illaenus
    • † Illaenus fieldi
  • † Illaneus
  • † Inflatia
  • † Iridopteris
    • † Iridopteris eriensis
  • † Ischycondonta
  • † Ischyrodonta
    • † Ischyrodonta unionoides
  • † Isochilina
    • † Isochilina armata
  • Fossil of the Middle-Late Ordovician giant trilobite Isotelus.
    † Isotelus
    • † Isotelus maximus
    • † Isotelus megistos

K
  • † Kingstonia
  • † Kionoceras
  • † Kirkbyella
  • † Komaspidella
    • † Komaspidella laevis
    • † Komaspidella lata
  • Fossil of the Cambrian trilobite Kootenia
    † 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
  • Restoration of the Carboniferous-Late Triassic club moss relative Lepidodendron. Eli Heimans (1911).
    † 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
  • Life restoration of the Early Ordovician nautiloid cephalopod Levisoceras
    † 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
  • Fossil of the Ordovician trilobite Lonchodomas
    † 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
  • Restoration of the Cambrian trilobite Meteoraspis
    † Meteoraspis
    • † Meteoraspis mutica
  • † Mexicaspis
  • † Michelinoceras
  • † Microplasma
    • † Microplasma fasciculatum
  • † Mimella
    • † Mimella globosa
    • † Mimella melonica
    • † Mimella vulgaris
  • Life restoration of the Silurian trilobite Miraspis
    † Miraspis
  • † Modiolopsis
    • † Modiolopsis modiolaris
  • † Monogonoceras
    • † Monogonoceras magnisiphonatum
  • † Monotrypa
  • † Monticulipora
  • † Multicostella
    • † Multicostella brevis
    • † Multicostella bursa
    • † Multicostella platys
  • † Multispinula
    • † Multispinula cuneata
  • † Muriceras
  • † Mytilarca

N
  • Fossilized shell of the Early Devonian – Triassic sea snail Naticopsis
    † 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
  • Interior of a fossilized shell of the Early Ordovician-modern marine bivalve Nucula
    Nucula
  • Nuculana
  • † Nuculites
  • † Nuculopsis
  • † Nuia

O
  • † Odontopleura
  • † Oepikina
    • † Oepikina minnesoteniss – report made of unidentified related form or using admittedly obsolete nomenclature
    • † Oepikina minnesotensis
  • Restoration of the Cambrian trilobite Olenellus
    † 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
  • Fossil of the Cambrian trilobite Pagetia
    † 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
  • Fossilized theca of the Carboniferous blastoid echinoderm ("sea bud") Pentremites
    † 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
  • Fossilized shell of the Middle Ordovician-Silurian brachiopod Platystrophia
    † 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
  • Restoration of the Silurian trilobite Proetus
    †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
  • Fossil of the Early Ordovician-Permian benthic alga Receptaculites
    † 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
  • 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
  • Illustration of fossilized shells of the mysterious Cambrian organism Salterella
    † 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
  • Fossils of the red alga Solenopora
    † 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
  • Fossil of the Middle Ordovician-Silurian trilobite Sphaerexochus
    † 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
  • Fossilized shell of the Late Ordovician-Late Triassic brachiopod Spirifer
    † 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
  • Fossilized shell of the Ordovician-Silurian brachiopod Strophomena
    † 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
  • Fossil of the Devonian tabulate coral Syringopora
    † 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
  • Fossilized shell of the Early Ordovician-Late Devonian probable mollusc Tentaculites
    † 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
  • Fossil of the Cambrian trilobite Tricrepicephalus
    † 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
  • Fossils of the bore-hole ichnogenus Trypanites
    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
gollark: UTTER weakly interacting massive particle.
gollark: CLEARLY you are too WIMP to produce minoteaur.
gollark: But Minoteaur is actually possible somewhat.
gollark: <@319753218592866315> make minoteaur.
gollark: <@!135204578986557440> make minoteaur.

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