List of the prehistoric life of Ohio

The Paleobiology Database records no known occurrences of Precambrian fossils in Ohio.

{{Main|List of the Paleozoic life of Ohio}}

• †Achatella
• †Acidaspis
• †Acleistoceras – tentative report
• †Acutichiton – type locality for genus
• †Adamanterpeton – type locality for genus
• †Adamanterpeton ohioensis – type locality for species
• †Aethaspis
• †Agnesia
• †Alethopteris
• †Ambedus – type locality for genus
• †Amphiscapha
• †Amplexopora
• †Annularia
• †Annularia asteris
• †Annularia radiata
• †Annularia sphenophylloides
• †Annularia stellata
• †Anthracodromeus
• †Anthracodromeus longipes – type locality for species
• File:Anthracosaurus russeli12DB.jpg]] †Anthracosaurus
• †Aphlebia
• †Archaeothyris
• †Arctinurus
• †Armenoceras
• †Artisia
• †Asterotheca
• †Athyris
• †Atrypa
• †Atrypa reticularis
• †Atrypa reticularus – report made of unidentified related form or using admittedly obsolete nomenclature
• †Augustoceras
• †Aulopora
• †Aulopora microbuccinata
• †Aviculopecten
• †Aviculopecten appalachianus – type locality for species
• †Aviculopecten columbianus – type locality for species
• †Aviculopecten coxanus
• †Aviculopecten fasciculatus
• †Aviculopecten occidentalis
• †Aviculopecten winchelli
• †Baldwinonus
• †Bellerophon
• †Bellerophon jeffersonensis
• †Bellerophon spergensis
• †Bembexia
• †Bickmorites
• File:Brachydectes.jpg]] †Brachydectes – type locality for genus
• †Brachydectes newberryi – type locality for species
• †Broiliellus
• †Calamites
• †Calamites carinatus
• †Calamites cisti
• †Calamites suckowi
• †Calamites suckowii
• †Calamites undulatus
• †Callixylon
• †Camarotoechia
• File:Cameroceras trentonese.jpg feeding on an Aphetoceras, while a quartet of Cyclostomiceras swim by]] †Cameroceras
• †Catenipora
• †Centroceras
• †Ceratocephala
• †Ceratopsis
• †Ceraurinus
• †Ceraurus
• †Chagrinia
• †Charactoceras
• †Chasmatopora
• †Chasmops
• †Chaunograptus
• †Chondrites
• †Chonetes
• File:Cincinnetina meeki (Miller, 1875) slab 3.jpg]] †Cincinnetina
• †Cincinnetina meeki
• †Cincinnetina multisecta
• †Cladochonus
• †Cladoselache
• †Clarkesvillia
• †Climacograptus
• †Coenites
• †Colosteus
• †Columnaria
• †Columnaria calicina
• †Composita
• †Composita subtilita
• †Conchidium
• †Constellaria
• †Cordaites
• †Cordaites principalis – or unidentified comparable form
• †Cornulites
• †Cornulites flexuosus
• Craniella
• †Crepipora
• †Ctenacanthus
• †Ctenerpeton
• †Ctenospondylus
• †Cyclonema
• †Cyclopteris
• †Cypricardinia
• †Cypricardinia indenta
• †Cyrtolites
• †Cyrtospirifer
• †Cystodictya
• †Decadocrinus
• †Diceratosaurus
• †Diceratosaurus brevirostris – type locality for species
• †Dictyonema
• †Dinichthys
• †Dinichthys herzeri
• †Diploceraspis
• †Diplograptus
• Discina
• †Dolichopterus
• File:Dunkleosteus (15677042802).jpg]] †Dunkleosteus
• †Ecdyceras
• †Edmondia
• †Edon
• †Eldredgeops
• †Eldredgeops rana
• †Elita
• †Elpe
• †Elrodoceras
• †Emmonsia
• †Endoceras
• †Erettopterus
• †Erpetosaurus
• †Eucalyptocrinites
• †Euomphalus
• †Euomphalus planodorsatus
• File:Eurypterus Paleoart.jpg]] †Eurypterus
• †Eurypterus ornatus
• †Eusauropleura – type locality for genus
• †Faberia
• †Faberoceras
• †Favosites
• †Favosites discoideus
• †Favosites favosus
• †Favosites hisingeri
• †Favosites turbinatus
• †Fayettoceras
• †Fenestella
• †Flexicalymene
• †Flexicalymene meeki
• †Foerstia
• †Fusulina
• †Gilbertsocrinus
• †Glyptocrinus
• File:RugosaOrdovician.jpg]] †Grewingkia
• †Grewingkia rusticum
• †Hallopora
• †Hallopora subnodosa
• †Halysites
• †Hamiltonella
• †Helcionopsis
• †Heliophyllum
• †Heliophyllum halli
• †Helminthochiton
• †Hexagonaria
• †Hexameroceras
• †Hindia
• †Holopea
• †Holoptychus – or unidentified comparable form
• †Hyolithes
• †Icriodus
• †Iocrinus
• †Isodectes
• †Isonema
• File:Isotelus brachycephalus.JPG.]] †Isotelus
• †Isotelus maximus
• †Kindleoceras
• †Kionoceras
• †Kockelella
• †Lambeoceras
• †Leiosphaeridia
• †Lepidodendron
• †Lepidodendron aculeatum
• Lingula
• †Liroceras – tentative report
• †Loxomma
• †Loxomma lintonensis – type locality for species
• †Maelonoceras
• †Manitoulinoceras
• †Manticoceras
• †Marsupiocrinus
• File:MegalocephalusDB.jpg]] †Megalocephalus – type locality for genus
• †Megalocephalus lineolatus – type locality for species
• †Megalograptus
• †Metaxys
• †Michelinoceras
• Modiolus
• †Molgophis – type locality for genus
• †Mucrospirifer
• †Mucrospirifer grabaui – or unidentified comparable form
• †Mucrospirifer mucronatus
• †Mucrospirifer prolificus
• †Murchisonia
• File:Neritopsidae - Naticopsis.JPG]] †Naticopsis
• †Naticopsis comperta
• †Naticopsis levis
• †Neospirifer
• †Neospirifer cameratus
• †Neospirifer dunbari
• †Neuropteris
• †Neuropteris heterophylla
• †Neuropteris ovata
• †Neuropteris scheuchzeri
• †Nodonema
• Nucula
• † Nyassa
• †Odonterpeton – type locality for genus
• †Odonterpeton triangulare – type locality for species
• †Odontopleura
• †Oestocephalus – type locality for genus
• †Oestocephalus amphiuminum – type locality for species
• †Olenoides
• †Oncoceras
• File:Ophiacodon mirus cropped.png]] †Ophiacodon
• †Ophiacodon uniformis – or unidentified comparable form
• †Orthoceras
• †Oulodus
• †Ozarkodina
• †Ozarkodina confluens
• †Paraspirifer
• †Pattersonia
• †Pecopteris
• †Pecopteris arborescens
• †Pecopteris hemitelioides
• †Pecopteris unita
• †Pentamerus
• †Petalodus
• File:Phlegethontia.jpg.]] †Phlegethontia – type locality for genus
• †Phlegethontia linearis – type locality for species
• †Phlegethontia longissima – type locality for species
• †Phragmolites
• †Phragmolites elegans – type locality for species
• †Phylloporina
• Pinna
• †Plaesiomys
• †Platyceras
• †Platyceras bucculentum
• †Platyceras carinatum
• †Platyceras rarispinum
• †Platyrhinops – type locality for genus
• File:PlatystrophiaOrdovician.jpg]] †Platystrophia
• †Platystrophia acutilirata
• †Platystrophia annieana
• †Platystrophia clarksvillensis
• †Platystrophia cypha
• †Platystrophia moritura
• †Pleurodictyum
• †Pleuroptyx – type locality for genus
• †Pleurorthoceras
• †Poleumita
• †Polygnathus
• †Polygnathus eiflius
• †Polygnathus linguiformis
• †Polygnathus pseudofoliatus
• †Polygnathus xylus
• †Posidonia
• †Proetus
• †Protobalanus
• †Protosalvinia
• File:Prototaxites Dawson1888.PNG. John William Dawson (1888).]] †Prototaxites
• †Pterochiton
• †Pterotheca
• †Pterygotus
• †Ptyonius
• †Ptyonius marshii – type locality for species
• †Pugnax
• †Reteocrinus
• †Rhizocorallium
• †Richmondoceras
• †Rusophycus
• †Samaropsis
• †Sauropleura – type locality for genus
• †Sauropleura pectinata – type locality for species
• †Sigillaria
• †Sigillaria brardii
• †Sigillaria elegans
• †Similodonta – tentative report
• Solemya
• †Solenomorpha
• †Sowerbyella
• File:Sphenophyllum miravallis cropped.jpg]] †Sphenophyllum
• †Sphenophyllum majus
• †Sphenophyllum oblongifolium
• †Sphenopteris
• †Sphenopteris elegans – or unidentified comparable form
• †Sphenothallus
• †Spirifer
• †Spirifer opimus
• Spirorbis
• †Spyroceras
• †Stegops
• File:Steth pair1 cropped.jpg]] †Stethacanthus
• †Stethacanthus altonensis
• †Stigmatella
• †Strophomena
• †Strophomena concordensis
• †Strophomena erratica
• †Strophomena extenuata
• †Strophomena neglecta
• †Strophomena nutans
• †Strophomena planumbona
• †Strophomena sulcata
• †Stylonema
• †Subulites
• †Syntomopterus
• †Syringopora – tentative report
• †Teichichnus
• †Tentaculites
• †Tetradium
• †Tornoceras
• †Treptoceras
• †Triarthrus
• †Triendoceras – tentative report
• †Trocholites
• File:Tuditanus1DB.jpg]] †Tuditanus – type locality for genus
• †Tuditanus punctulatus – type locality for species
• †Urasterella
• †Vinella
• †Walchia
• †Westonoceras
• †Whiteavesia
• †Wilkingia
• †Worthenia
• †Wurmiella
• †Wurmiella excavata
• †Xyloiulus
• †Zittelloceras
• †Zoophycos

The Paleobiology Database records no known occurrences of Mesozoic fossils in Ohio.

• Acella
• †Acella haldermani
• Amnicola
• †Arctodus
• †Arctodus simus
• †Bembidium
• †Bembidium fragmentum – type locality for species
• Castor
• †Castor canadensis
• File:Giant-beaver-fieldmuseum.jpg]] †Castoroides
• †Castoroides ohioensis
• †Cervalces
• †Cervalces scotti
• Clethrionomys
• †Clethrionomys gapperi
• Equus
• Erethizon
• †Erethizon dorsatum
• Fossaria
• Gyraulus
• †Gyraulus deflectus
• †Gyraulus parvus
• Helisoma
• †Helisoma anceps
• Helophorus
• †Helophorus rigescens – type locality for species
• †Hydrochus
• †Hydrochus amictus – type locality for species
• Lucina
• Lymnaea
• †Mammut
• File:Mammut americanum Sergiodlarosa.jpg, or American mastodon]] †Mammut americanum
• †Megalonyx
• †Megalonyx jeffersonii
• †Meomphix
• Microtus
• †Microtus xanthognathus
• Mictomys
• †Mictomys borealis
• Mustela
• †Mustela americana
• †Mustela richardsonii
• Odocoileus
• File:White-tailed deer.jpg, or white-tailed deer]] †Odocoileus virginianus
• Ondatra
• †Ondatra zibethicus
• Pekania
• †Pekania pennanti
• Phenacomys
• †Phenacomys intermedius
• Physa
• †Physa heterostropha – or unidentified comparable form
• Picea
• Planorbis
• File:Platygonus leptorhinus cropped.png of the genus Platygonus. Charles R. Knight (1922).]] †Platygonus
• †Platygonus compressus
• Promenetus
• †Promenetus exacuous
• Pterostichus
• †Pterostichus dormitans – type locality for species
• Rangifer
• †Rangifer tarandus
• Sorex
• †Sorex cinereus
• †Sorex hoyi
• Sphaerium
• Stagnicola
• †Stagnicola lanceata
• Ursus
• File:2010-kodiak-bear-1.jpg, or brown bear]] †Ursus arctos – type locality for species
• Valvata
• †Valvata tricarinata

• {{cite web |title=Fossilworks: Gateway to the Paleobiology Database |author=((Various Contributors to the Paleobiology Database)) |url=https://www.fossilworks.org |access-date=17 December 2021}}

{{Lists of the prehistoric life of the United States}}

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Ohio

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