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This list of the prehistoric life of Oregon contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Oregon.

Precambrian

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

Paleozoic

• †Acteonina
  • †Acteonina permiana – type locality for species
• †Albaillella
  • †Albaillella asymmetrica
  • †Albaillella sinuata
  • †Albaillella triangularis – or unidentified comparable form
• †Alexenia – tentative report
  • †Alexenia occidentalis – type locality for species
  • †Alexenia subquadrata – type locality for species
• †Anidanthus
  • †Anidanthus minor – type locality for species
• †Antiquatonia
  • †Antiquatonia cooperi – type locality for species
  • †Antiquatonia reticulata – type locality for species
• †Arceodomus
  • †Arceodomus sphairikos – type locality for species
• †Arcochiton
  • †Arcochiton soccus – type locality for species
• †Bajkuria
  • †Bajkuria rostrata
• †Bathymyonia
  • †Bathymyonia elongata – type locality for species
• †Calliprotonia
  • †Calliprotonia inexpectatum – type locality for species
• †Changmeia
  • †Changmeia bigflatensis – type locality for species
  • †Changmeia bostwicki – type locality for species
• †Chauliochiton
• †Chonetes
  • †Chonetes alatus – or unidentified related form
  • †Chonetes pygmoideus – type locality for species
• †Chonetinella
• †Cleiothyridina
  • †Cleiothyridina attenuata – type locality for species
• †Composita
• †Corwenia – tentative report
  • †Corwenia ashwillensis – type locality for species
• †Crurithyris

• 

  †Cummingella
• †Cystolonsdaleia
  • †Cystolonsdaleia berthiaumi – type locality for species
• †Deflandrella
  • †Deflandrella manica
• †Derbyia
• †Diadeloplax
  • †Diadeloplax apiculatus – type locality for species
• †Dielasma
  • †Dielasma brevicostatum – type locality for species
  • †Dielasma rectimarginatum – type locality for species
  • †Dielasma truncatum – type locality for species
• †Entactinia
  • †Entactinia modesta
• †Entactinosphaera
  • †Entactinosphaera cimelia – or unidentified related form
• †Eoparafusulina
• †Follicucullus
  • †Follicucullus charveti
  • †Follicucullus monacanthus
  • †Follicucullus scholasticus
  • †Follicucullus ventricosus
• †Gryphochiton
  • †Gryphochiton planoplata
• †Haplentactinia – tentative report
  • †Haplentactinia ichikawai
• †Hegleria
  • †Hegleria mammilla
• †Heritschioides – tentative report
• †Himathyris
  • †Himathyris gerardi
• †Homeochiton – type locality for genus
  • †Homeochiton triangularis – type locality for species
• †Hustedia
• †Ishigaum
  • †Ishigaum trifustis
• †Kashiwara
  • †Kashiwara magna
• †Kleopatrina
  • †Kleopatrina magnifica – or unidentified comparable form
• †Kochiproductus
  • †Kochiproductus porrectus – or unidentified comparable form
  • †Kochiproductus transversus – type locality for species
• †Krotovia
  • †Krotovia barenzi – or unidentified related form
  • †Krotovia oregonensis – type locality for species
  • †Krotovia parva – type locality for species
  • †Krotovia pustulata
• †Kuvelousia
  • †Kuvelousia leptosa – type locality for species
• †Latentibifistula
  • †Latentibifistula asperspongiosa – or unidentified related form
• †Latentifistula
  • †Latentifistula crux – or unidentified related form
  • †Latentifistula patagilaterala
  • †Latentifistula texana
• †Leptodus – tentative report
• †Linoproductus
  • †Linoproductus lutkewitschi – or unidentified comparable form
• †Marginifera – tentative report
  • †Marginifera brevisulcata – type locality for species
  • †Marginifera costellata – type locality for species
  • †Marginifera multicostellata – type locality for species
  • †Marginifera profundosulcata – type locality for species
• †Martinia
  • †Martinia berthiaumei – type locality for species
• †Meekella
• †Monodiexodina – tentative report
• †Nazarovella
  • †Nazarovella gracilis
• †Neoalbaillella
  • †Neoalbaillella pseudogrypus

• 

  †Neospirifer
• †Petalaxis
  • †Petalaxis occidentalis – type locality for species
• †Polydiexodina
  • †Polydiexodina oregonensis
• †Praedeflandrella
• †Probolionia
  • †Probolionia elongata – type locality for species
  • †Probolionia posteroreticulata – type locality for species
• †Proboscidella – tentative report
  • †Proboscidella carinata – type locality for species
• †Protowentzelella
• †Pseudoalbaillella
  • †Pseudoalbaillella fusiformis
  • †Pseudoalbaillella globosa – or unidentified related form
  • †Pseudoalbaillella lomentaria – or unidentified comparable form
  • †Pseudoalbaillella longicornis – or unidentified related form
  • †Pseudoalbaillella scalprata
• †Pseudotormentus
  • †Pseudotormentus kamigoriensis
• †Pterochiton
• †Punctospirifer
• †Quinqueremis
  • †Quinqueremis robusta – or unidentified related form
• †Rhipidomella
• †Rhynchopora
  • †Rhynchopora magna – type locality for species
• †Rostranteris
  • †Rostranteris merriami – type locality for species
  • †Rostranteris sulcatum – type locality for species
• †Schwagerina

• 

  †Siphonodendron – tentative report
• †Spiriferella
  • †Spiriferella pseudodraschei – type locality for species
• †Spiriferellina
  • †Spiriferellina pauciplicata – type locality for species
• †Stenoscisma
  • †Stenoscisma americanum – type locality for species
  • †Stenoscisma biplicatoideum – type locality for species
  • †Stenoscisma mutabile
  • †Stenoscisma mutabilis
  • †Stenoscisma plicatum – or unidentified comparable form
• †Stigmosphaerostylus
  • †Stigmosphaerostylus itsukaichiensis
• †Tiramnia
  • †Tiramnia semiglobosa – or unidentified related form
• †Triplanospongos
  • †Triplanospongos dekkasensis
• †Waagenoconcha
  • †Waagenoconcha parvispinosa – type locality for species
• †Wellerella
  • †Wellerella multiplicata – type locality for species
• †Wilsonastraea
  • †Wilsonastraea ochocoensis – type locality for species
• †Yakovlevia
  • †Yakovlevia brevisulcata
  • †Yakovlevia transversa – type locality for species
• †Yokoyamaella – tentative report
  • †Yokoyamaella oregonensis – type locality for species

Mesozoic

Selected Mesozoic taxa of Oregon

• †Acanthodiscus

• 

  †Actinoceramus
• †Anahamulina
• †Anatropites
• †Arcestes
• †Arietoceltites
• Astarte
• †Bennettazhia
  • †Bennettazhia oregonensis – type locality for species
• Cadulus
• †Calycoceras
• Cardinia

• 

  †Cenoceras
• Chlamys
• †Cleoniceras – tentative report
• †Corum
• †Crioceratites
• Dentalium
• †Gervillia
• †Gryphaea
  • †Gryphaea arcuataeformis
• †Hoploparia
• †Hypophylloceras

• 

  †Inoceramus
• †Kilianella
• †Lantus
• Lima
• †Lissodus
• † Loffa
• Lopha
• †Lucina
• †Lyelliceras
• †Lytoceras
• †Mantelliceras
• †Metapolygnathus
• Milax
• †Modiolus

• 

  †Myophorella
  • †Myophorella argo – or unidentified comparable form
• †Neogondolella
• †Nerinea
• †Olcostephanus
• †Ophthalmidium
• Ostrea
• †Otoscaphites
• †Pachus – tentative report
• †Pachydiscus
• †Peronidella
• Pholadomya
• †Phylloceras
• †Phyllopachyceras
• †Plagiostoma – tentative report
• †Platymya
• Plicatula
• †Radium – type locality for genus
• †Scalarites
• †Scaphites

• 

  †Shastasaurus
  • †Shastasaurus pacificus – or unidentified comparable form
• †Spitidiscus
• †Thamnasteria
• †Tragodesmoceras
• †Trigonia
  • †Trigonia montanaensis
• Turritella
• †Tutcheria
• Venericardia
• †Vermiceras
• †Xiphotheca
• †Zoneait – type locality for genus

Cenozoic

Selected Cenozoic taxa of Oregon

• Abies
• †Acamptogenotia
• Acanthocardia
• Abies
• †Acamptogenotia
• Acanthocardia
• Acer
• Acmaea

• 

  †Acritohippus
  • †Acritohippus isonesus
• Acteon
• †Actinidia
  • †Actinidia oregonensis
• Admete
• Aechmophorus
  • †Aechmophorus occidentalis
• †Aesculus

• 

  †Aetiocetus – type locality for genus
  • †Aetiocetus cotylalveus – type locality for species
• Aforia
• Agelaius – tentative report
• †Agriochoerus
• Aix
  • †Aix sponsa
• Alangium
• Alnus
  • †Alnus heterodonta

• 

  †Amebelodon
• Amelanchier
• Ammospermophilus
• Ampelocissus
• †Amphicyon
  • †Amphicyon frendens
  • †Amphicyon galushai – or unidentified comparable form
• Amphissa
• †Ampullina
• †Anabernicula
• Anadara
• †Anamirta
• Anas
  • †Anas acuta
  • †Anas americana
  • †Anas boschas
  • †Anas carolinensis

  • 

    †Anas clypeata
  • †Anas cyanoptera
  • †Anas discors
  • †Anas platyrhynchos
• Ancilla
• Anona
• Anser
  • †Anser albifrons
  • †Anser condoni – type locality for species
• Antillophos
• Antilocapra
  • †Antilocapra americana – or unidentified comparable form
• Aphananthe
• †Aphelops
• Aquila
  • †Aquila chrysaetos
• Arbacia
• †Archaeocyon
• †Archaeohippus
• †Archaeotherium
• Architectonica
• †Arctodus
• Ardea
  • †Ardea herodias
• Argobuccinum
• †Ascosphaera
• Astraea
• Astreopora
• Astropecten
• †Aturia
• †Aucuba
• Aythya
  • †Aythya marila
• Balaena
• Balaenoptera

  • 

    †Balaenoptera acutorostrata – or unidentified comparable form
• Balanophyllia
  • †Balanophyllia elegans
• Balanus
• Bartramia
• †Basirepomys
• Bathybembix
• Bathytoma
• Bela
• Betula
• Bittium
• †Bonellitia
• Boreotrophon
  • †Boreotrophon stuarti

• 

  †Borophagus
  • †Borophagus pugnator
  • †Borophagus secundus – or unidentified comparable form
• Botaurus
  • †Botaurus lentiginosus
• Brachidontes
• Branta
  • †Branta bernicla
  • †Branta canadensis
• Bubo
  • †Bubo virginianus
• Buccinum
  • †Buccinum strigillatum
• Bullia
• †Bumelia – tentative report
• Cadulus
• Calliostoma
• Callista
• Callorhinus – tentative report
• †Calocedrus
• †Calycocarpum
• Calyptraea

• 

  †Camelops
  • †Camelops hesternus
• Cancellaria
• Canis
  • †Canis dirus – or unidentified comparable form
  • †Canis edwardii
  • †Canis latrans
  • †Canis lupus – or unidentified comparable form
• †Carpocyon
• Carya
• Caryophyllia
• Castanea
• Castanopsis

• 

  Castor
• †Catalpa
• Cedrela
• Celtis
• †Centrocercus
  • †Centrocercus urophasianus
• Cercidiphyllum
• Cercis
• Cerithiopsis
• †Charitonetta
  • †Charitonetta albeola
• Chen
  • †Chen rossii

• 

  †Chendytes
• Chione
• Chlidonias
  • †Chlidonias nigra
• Chlorostoma
• †Choerodon
• †Chrysodomus
• Circus
• Cladrastis
• Clangula
  • †Clangula hyemalis
• Cleyera
• Clinocardium
  • †Clinocardium nuttallii
• Cochliolepis – tentative report
• Colaptes
• †Colodon
• Columbella

• 

  Colus – tentative report
• Comitas
  • †Comitas monile
  • †Comitas oregonensis
  • †Comitas spencerensis
• Comptonia
• Conomitra
• Conus
• †Cophocetus – type locality for genus
• Corbula
• †Cormocyon
• Cornus
  • †Cornus clarnensis
• †Cornwallius
• Corvus
  • †Corvus corax
• †Coryloides
  • †Coryloides hancockii

• 

  Craigia
• Crataegus
• Crenella
• Crepidula
  • †Crepidula adunca
  • †Crepidula grandis – or unidentified comparable form
• Cryptonatica
  • †Cryptonatica affinis
• Cryptotis
• †Cunninghamia
• Cyclocardia
• Cygnus
  • †Cygnus paloregonus
• Cymatium

• 

  †Cynarctoides
  • †Cynarctoides lemur
  • †Cynarctoides luskensis – or unidentified comparable form
• †Cynelos
• †Daeodon
  • †Dafila acuta
• †Daphoenodon
• †Daphoenus
  • †Daphoenus socialis

• 

  †Dasornis – or unidentified related form
• Decodon
• Dendragapus – type locality for genus
• Dentalium
• †Desmatippus
• †Desmatochoerus
• †Desmatophoca
  • †Desmatophoca oregonensis
• †Desmocyon
• †Desmostylus
  • †Desmostylus hesperus – type locality for species
• †Diceratherium
• †Dilophodelphis – type locality for genus
• †Dinaelurus

• 

  †Dinictis
  • †Dinictis cyclops
• †Diploporus
  • †Diploporus torreyoides
• †Dipoides
• †Diprionomys
• Dipteronia
• Discinisca
• Dosinia
• †Dromomeryx
  • †Dromomeryx borealis
• †Dyticonastis – type locality for genus
  • †Dyticonastis rensbergeri – type locality for species
• Echinophoria
• †Ekgmowechashala
• †Emmenopterys

• 

  †Enaliarctos
  • †Enaliarctos barnesi – type locality for species
  • †Enaliarctos emlongi – type locality for species
  • †Enaliarctos mitchelli
  • †Enaliarctos tedfordi – type locality for species
• Engelhardtia
• Enhydra
• †Enhydrocyon
• †Ensete
• †Epicyon
  • †Epicyon haydeni
• †Epihippus
• Epitonium
• †Eporeodon
• †Equisetum
• Equus
  • †Erismatura jamaicensis
• Erolia
• Ervilia – tentative report
• †Eucastor

• 

  †Eucyon
  • †Eucyon davisi
• †Euoplocyon
• Euphagus
  • †Euphagus cyanocephalus
• Euspira
  • †Euspira pallida
• †Eutrephoceras
• Exbucklandia
• †Exilia
• Fagus
• Falco
• Ficus
• Fimbria
• Flabellum
• †Floridaceras

• 

  †Florissantia
• Fothergilla
• Fraxinus
• Fulgoraria
• Fulgurofusus
• Fulica
  • Fulica americana
• Fusinus
• †Gaillardia
• Gari – tentative report
• Gemmula
• †Gentilicamelus
• Glycymeris
• †Goedertius – type locality for genus

• 

  †Gomphotherium
• Granula
• Gyrineum – report made of unidentified related form or using admittedly obsolete nomenclature
• †Hadrianus
• Halesia
• Haliaeetus
  • †Haliaeetus leucocephalus
• †Haplohippus
• †Hemiauchenia – tentative report
• Heptranchias
  • †Heptranchias howelli

• 

  †Herpetotherium
• Hiatella
• Himantopus
  • †Himantopus mexicanus
• †Hippotherium
• †Hoplophoneus
• †Hovenia
• Hydrangea
• †Hypertragulus
• †Hypohippus
• †Hypolagus
• †Hypsidoris
• †Hypsiops
• †Hyrachyus

• 

  †Indarctos
• Isurus
  • †Isurus planus
• Juglans
• †Kalobatippus
• †Kardiasperma
  • †Kardiasperma parvum
• Kellia
• †Keteleeria
• †Kolponomos
  • †Kolponomos newportensis – type locality for species
• Lacuna
  • †Lacuna vincta
• Larus
  • †Larus argentatus
  • †Larus californicus
  • †Larus philadelphia
• Lepeta

• 

  †Leptocyon
• Lepus
• Leukoma
  • †Leukoma staminea
• Limnodromus
  • †Limnodromus griseus – tentative report
• Lindera
• Liquidambar
• †Lithocarpus
• Littorina
• Lophodytes
  • †Lophodytes cucullatus
• †Lophortyx
• Lynx
• Lytechinus

• 

  †Machairodus
• †Machilus
• Macoma
  • †Macoma nasuta
• Macrocallista
• Magnolia
• Mahonia
• †Malus – or unidentified comparable form
• †Mammut
  • †Mammut furlongi – type locality for species
• †Mammuthus

  • 

    †Mammuthus columbi – tentative report
• Marcia
• Margarites
• Martes
• Martesia
• Mastixia
• Megachasma
• †Megalonyx
• †Megapaloelodus
• †Megatylopus
• Melanitta
  • †Melanitta deglandi
  • †Melanitta perspicillata
• †Meliosma
  • †Meliosma beusekomii
• †Menispermum – or unidentified comparable form
• Mergus
  • †Mergus merganser
  • †Mergus serrator

• 

  †Merychippus
• †Merychyus
• †Merycochoerus
• †Merycoides
• †Merycoidodon
• †Mesocyon
• †Mesohippus
• †Metalopex
• Metasequoia
  • †Metasequoia occidentalis
• †Microphallus
• Microtus
  • †Microtus montanus
• †Miohippus
• †Miotapirus
• Modiolus
  • †Modiolus modiolus
• Molothrus
  • †Molothrus ater – tentative report
• †Monosaulax
• †Moropus
• Mulinia
• Mustela
• †Mya
  • †Mya truncata
• Myotis – or unidentified comparable form
• Mytilus
  • †Mytilus californianus
  • †Mytilus edulis
• †Nanotragulus – or unidentified comparable form
• Nassarius
• Natica
• †Nautilus
• Nectandra
• †Neohipparion

• 

  Neophrontops
• Neotamias
• †Neurotrichus – tentative report
• Neverita
• †Nexuotapirus
• Nucella
  • †Nucella lamellosa
• Nucula
• Numenius
  • †Numenius americanus – tentative report
• †Nuphar
• †Nyssa
  • †Nyssa spatulata

• 

  Ochotona
  • †Ochotona spanglei – type locality for species
• Ocotea
• Olar
• †Oligobunis
• Olivella
  • †Olivella biplicata
  • †Olivella pedroana
• Ondatra
• Opalia
• †Oreodontoides
• †Osbornodon
• †Osmunda
• Ostrea
  • †Ostrea lurida – or unidentified comparable form
• Ostrya

• 

  †Palaeocastor
• †Palaeolagus
• †Paleopanax
  • †Paleopanax oregonensis
• Paliurus
• Pandora
• Panopea
  • †Panopea abrupta
• Panthera
  • †Panthera onca – or unidentified comparable form
• †Paradaphoenus
• †Paraenhydrocyon
  • †Paraenhydrocyon josephi
• †Parahippus
  • †Parahippus leonensis – or unidentified related form

• 

  †Paramylodon
  • †Paramylodon harlani
• †Paratomarctus
• †Paratylopus
• †Paronychomys
• †Paroreodon
• †Parrotia
• †Parthenocissus
• Passalus
• †Patriofelis
  • †Patriofelis ferox
• Pekania

• 

  †Pelagornis
• Pelecanus
  • †Pelecanus erythrorhynchos
  • †Pelecanus erythrorhynchus – tentative report
• Perognathus
• Peromyscus
• †Perse
• Phalacrocorax
  • †Phalacrocorax auritus – tentative report
• Phalaropus
  • †Phalaropus lobatus
• Phalium
• Phanerolepida
• †Philotrox
  • †Philotrox condoni
• †Phlaocyon
  • †Phlaocyon latidens
• Phoca
  • †Phoca vitulina – or unidentified comparable form

• 

  Phoenicopterus
  • †Phoenicopterus copei – type locality for species
• Pinus
• Pitar
• †Plagiolophus
• Platanus
• †Platygonus
• †Pleiolama
• †Plesiocolopirus
• †Plesiogulo
• †Pliocyon – or unidentified comparable form

• 

  †Pliohippus
• †Plionarctos
• Podiceps
  • †Podiceps auritus – tentative report
• Podilymbus
  • †Podilymbus podiceps
  • †Pododesmus macrochisma
• †Pogonodon
• Polinices
• †Polypodium – or unidentified comparable form
• †Pontolis – type locality for genus
  • †Pontolis magnus – type locality for species
• †Potamogeton
• †Pristichampsus
• †Procamelus
• †Promartes – or unidentified comparable form
• †Promerycochoerus
• Propeamussium

• 

  †Protitanops
• †Protolabis – or unidentified comparable form
• Protothaca
• Prunus
• †Psephophorus – tentative report
• †Pseudaelurus
• †Pseudotsuga
• Pteris
• Pterocarya
• †Pteronarctos – type locality for genus
• Puncturella
  • †Puncturella galeata
• Purpura
• Pyramidella – tentative report
• Pyrenacantha

• 

  †Pyrus
• Quercus
• Querquedula
• Raja
• Rallus
  • †Rallus limicola
• Recurvirostra
  • †Recurvirostra americana
• Retusa
• Rhabdus
• †Rhizocyon
• Rhus
  • †Rhus rooseae
• †Ribes
• Rimella
• Rosa

• 

  Rubus
• Sabal
• †Sabia
• Salix
• Sanguinolaria
• Sassia
• Saxidomus
  • †Saxidomus gigantea
• Scapanus
  • †Scapanus latimanus
• Scaphander
• †Schisandra
• Schizaster
• Sciurus
• †Scutella
• Semele
• Sequoia
  • †Sequoia affinis
• Siliqua
  • †Siliqua patula
• †Simocetus – type locality for genus

• 

  †Simocyon
• Sinum
• Solariella
• Solemya
• Solen
• †Somatochlora
• Spermophilus
• Spirotropis
• Spisula
• Spizaetus
• †Steneofiber
• Stercorarius
• Sterna
  • †Sterna elegans – tentative report
  • †Sterna forsteri

• 

  Sthenictis
• Strongylocentrotus
• Sturnella
• †Suavodrillia
• †Subhyracodon
• Sveltella
• Symplocos
• Tapirus
  • †Tapirus californicus – or unidentified comparable form
• Tapiscia
• Taranis
• Taxidea
• †Taxus
  • †Taxus masonii
• Tegula

• 

  †Teleoceras
• Tellina
• †Temnocyon
• †Tephrocyon
• Terminalia
• †Tetraclinis
• Thais
• Thesbia – report made of unidentified related form or using admittedly obsolete nomenclature
• Thomomys
  • †Thomomys townsendii
• Thracia

• 

  †Ticholeptus
• Tilia
• †Torreya
  • †Torreya clarnensis
• Totanus
• †Toxicodendron
• Trema
• Tresus
• Trichotropis
• Trochita

• 

  Trophon
• †Tsuga
• Turricula
• Turris
• Turritella
• †Tylocephalonyx
• Tympanuchus
  • †Tympanuchus pallidicinctus
• Ulmus
• †Ursavus
• Venericardia
• †Viburnum
• Vitis
• Vulpes
• Xema
• Yoldia
  • †Yoldia cooperii – or unidentified comparable form
• Zalophus

  • 

    †Zalophus californianus
• Zelkova

References

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

• Paleontology in Oregon
• Lists of prehistoric life in the United States
• Oregon-related lists