List of the Paleozoic life of Virginia

• † 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
  • † Atrypa reticularis
• † Aulopora
• † Aviculopecten
  • † Aviculopecten monroensis

• † 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

• † 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

• † 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

• † 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

• † 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

• † 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

• 

  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

• 

  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

• † 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

• † 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

• † 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

• 

  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

• † 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

• † 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

• † Quebecaspis
  • † Quebecaspis conifrons
  • † Quebecaspis marylandica

• † 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

• 

  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

• † 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

• † Ulrichia
• † Uncinulus

• † 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

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

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

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