List of the Cenozoic life of Oregon

This list of the Cenozoic life of Oregon contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Oregon and are between 66 million and 10,000 years of age.

A

B

C

D

E

F

  • Fagus
    • †Fagus pacifica
  • Falco
    • †Falco oregonus – type locality for species
  • Felaniella
    • †Felaniella snavelyi
  • Ferminoscala
    • †Ferminoscala dickersoni
  • †Ferrignocarpus
    • †Ferrignocarpus bivalvis
  • A living Ficus, or fig tree
    Ficus
    • †Ficus modesta
    • †Ficus ocoyanum – or unidentified comparable form
  • Fimbria
  • †Fimbrialata
    • †Fimbrialata wingii
  • Flabellum
    • †Flabellum oregonense – type locality for species
  • †Flectorivus
    • †Flectorivus microdontos
  • †Florentiamys
  • †Floridaceras
    • †Floridaceras whitei
  • Flower of the Eocene-Oligocene cocoa relative Florissantia
    †Florissantia
  • †Fokieniopsis
    • †Fokieniopsis praedecurrens
  • †Fortunearites
    • †Fortunearites endressii
  • †Fothergilla
    • †Fothergilla praeovata
  • †Fragarites
    • †Fragarites ramificans
  • †Fraxinus
    • †Fraxinus coulteri
  • Fulgoraria
    • †Fulgoraria indurata
  • Fulgurofusus
    • †Fulgurofusus serratus – type locality for species
  • Fulica
  • †Fusinis
    • †Fusinis dilleri – type locality for species
  • Fusinus
    • †Fusinus coosensis
    • †Fusinus dilleri

G

  • †Gagaria
    • †Gagaria crenularis – type locality for species
  • A living Gaillardia, or blanket flower
    †Gaillardia
    • †Gaillardia thomsoni
  • Gari – tentative report
    • †Gari furcata – or unidentified related form
  • Gemmula
    • †Gemmula bentsonae
    • †Gemmula facula
    • †Gemmula rockcreekensis
  • †Gentilicamelus
    • †Gentilicamelus cameloides – type locality for species
    • †Gentilicamelus sternbergi
  • Glaucionetta
    • †Glaucionetta islandica
  • †Globulicarpium
    • †Globulicarpium levigatum
  • Glycymeris
    • †Glycymeris major
    • †Glycymeris sagittata
    • †Glycymeris septentrionalis
  • Glyptocidaris
  • †Goedertius – type locality for genus
    • †Goedertius oregonensis – type locality for species
  • Mounted fossilized skeleton of the Miocene-Pleistocene elephant relative Gomphotherium
    †Gomphotherium
    • †Gomphotherium obscurum
  • †Goniodontomys
    • †Goniodontomys disjunctus – type locality for species
  • Granula
    • †Granula profundorum – type locality for species
  • Gyrineum – report made of unidentified related form or using admittedly obsolete nomenclature
    • †Gyrineum dilleri

H

I

J

  • †Jimomys
    • †Jimomys lulli
  • †Joejonesia
    • †Joejonesia globosa
  • †Juglandiphyllites
    • †Juglandiphyllites cryptatus
  • A living Juglans, or walnut tree
    Juglans
    • †Juglans clarnensis
    • †Juglans wheelerensis

K

L

  • Lacuna
  • Lamelliconcha
    • †Lamelliconcha clarki
  • †Langtonia
    • †Langtonia bisulcata
  • †Lantanotherium
  • Larus
  • †Laurocalyx
    • †Laurocalyx wheelerae
  • †Laurocarpum
    • †Laurocarpum hancockii
    • †Laurocarpum nutbedensis
    • †Laurocarpum raisinoides
  • †Leguminocarpon
  • †Leidymys
  • Lepeta
    • †Lepeta concentrica
  • †Leptarctus
    • †Leptarctus oregonensis
  • Illustration of a fossilized skull of the Oligocene-Miocene dog Leptocyon
    †Leptocyon
  • †Leptodontomys
    • †Leptodontomys oregonensis – type locality for species
    • †Leptodontomys quartzi
  • Lepus
    • †Lepus ennisianus
  • Leukoma
  • †Lignicarpus
    • †Lignicarpus crassimuri
  • †Ligniglobus
    • †Ligniglobus sinuosifibrae
  • †Limicolavis
    • †Limicolavis pluvianella – type locality for species
  • Limnodromus
  • †Limnoecus
    • †Limnoecus tricuspis – or unidentified comparable form
  • Lindera
    • †Lindera clarnensis
    • †Lindera oregona
  • †Liodontia
    • †Liodontia alexandrae
    • †Liodontia furlongi
  • The autumn foliage of a living Liquidambar, or sweetgum tree
    Liquidambar
  • †Liracassis
    • †Liracassis petrosa
  • †Litheuphaea – type locality for genus
    • †Litheuphaea carpenteri – type locality for species
  • †Lithocarpus
    • †Lithocarpus klamathensis
  • †Litorhadia
    • †Litorhadia astoriana
    • †Litorhadia washingtonensis
    • †Litorhadia washingtoni
  • †Litseaphyllum
    • †Litseaphyllum presanguinea
  • Littorina
    • †Littorina remondi
  • †Lobipes
  • Lophodytes
  • †Lophopanopeus
    • †Lophopanopeus baldwini – type locality for species
  • †Lophortyx
    • †Lophortyx shotwelli – type locality for species
  • Lucinoma
    • †Lucinoma acutilineata
    • †Lucinoma columbiana
  • †Lunaticarpa
    • †Lunaticarpa curvistriata
  • †Lutravus
    • †Lutravus halli – or unidentified comparable form
  • Lynx
    • †Lynx longignathus
  • A living Lytechinus sea urchin
    Lytechinus
    • †Lytechinus baldwini – type locality for species

M

N

  • †Nanotragulus – or unidentified comparable form
  • A living Nassarius, or nassa mud snail
    Nassarius
  • Natica
    • †Natica thomsonae
    • †Natica weaveri
  • †Nautilus
    • †Nautilus angustatus – type locality for species
  • Nectandra
    • †Nectandra presannguinea
  • †Nehalemia – type locality for genus
    • †Nehalemia delicata – type locality for species
  • Nemocardium
    • †Nemocardium formosum
    • †Nemocardium griphus – or unidentified comparable form
    • †Nemocardium linteum
  • †Neohipparion
    • †Neohipparion leptode – or unidentified comparable form
  • Mounted fossilized skeleton of the Miocene Neophrontops
    Neophrontops
    • †Neophrontops dakotensis
  • Neotamias
    • †Neotamias malloryi
  • †Nephrosemen
    • †Nephrosemen reticulatus
  • Nettion
    • †Nettion bunkeri
  • †Neurotrichus – tentative report
    • †Neurotrichus columbianus
  • Neverita
    • †Neverita globosa
    • †Neverita jamesae
    • †Neverita thomsonae
    • †Neverita washingtonensis
  • †Nexuotapirus
    • †Nexuotapirus robustus
  • Nucella
  • Interior of a fossilized shell of the Early Ordovician-modern marine bivalve Nucula
    Nucula
    • †Nucula vokesi
  • Nuculana
    • †Nuculana gabbi
    • †Nuculana nuculana
  • Numenius
  • †Nuphar
  • Nutricola
    • †Nutricola lordi
    • †Nutricola tantilla
  • Nyroca
    • †Nyroca affinis
    • †Nyroca americana
    • †Nyroca collaris – tentative report
  • †Nyssa

O

  • †Ocajila
  • A living Ochotona, or pika
    Ochotona
  • Ocotea
    • †Ocotea ovoidea
  • †Ocyplonessa
    • †Ocyplonessa shotwelli – type locality for species
  • †Odontocaryoidea
    • †Odontocaryoidea nodulosa
  • †Ogmophis – type locality for genus
    • †Ogmophis oregonensis – type locality for species
  • Olar
    • †Olar buccinator
  • †Olequahia
    • †Olequahia schencki
  • †Oligobunis
  • Olivella
  • †Omsicarpium
    • †Omsicarpium striatum
  • Ondatra
    • †Ondatra annectens – type locality for species
  • Opalia
    • †Opalia hertleini
    • †Opalia williamsoni – or unidentified comparable form
  • †Oregonomys
    • †Oregonomys pebblespringsensis – type locality for species
    • †Oregonomys sargenti
  • †Oreodontoides
    • †Oreodontoides oregonensis
  • †Oreolagus
    • †Oreolagus wallacei – type locality for species
  • †Oryctoantiquus – type locality for genus
  • †Osbornodon
  • Living Osmunda ferns
    †Osmunda
    • †Osmunda occidentale
  • Ostrea
  • Ostrya
    • †Ostrya oregoniana

P

  • †Pachycrommium
    • †Pachycrommium clarki
  • †Paciculus
  • †Pacificotaria – type locality for genus
    • †Pacificotaria hadromma – type locality for species
  • †Palaeoallophylus
    • †Palaeoallophylus globosa
    • †Palaeoallophylus gordonii
  • †Palaeocarya
    • †Palaeocarya clarnensis
    • †Palaeocarya olsonii – or unidentified comparable form
  • Life restoration of the Oligocene-Miocene beaver Palaeocastor
    †Palaeocastor
    • †Palaeocastor peninsulatus
  • †Palaeolagus
    • †Palaeolagus haydeni
  • †Palaeophytocrene
    • †Palaeophytocrene hancockii
    • †Palaeophytocrene pseudopersica
  • †Palaeosinomenium
    • †Palaeosinomenium venablesii
  • †Paleopanax
  • †Paleoplatycarya – tentative report
    • †Paleoplatycarya hickeyi
  • †Paleotetrix
    • †Paleotetrix gilli
  • Flowers and foliage of a living Paliurus
    Paliurus
    • †Paliurus blakei
  • Pandora
    • †Pandora eocapsella
    • †Pandora grandis
    • †Pandora laevis
  • Panomya
    • †Panomya ampla
  • Panopea
  • Panthera
  • †Parablastomeryx
  • †Paracarpinus
    • †Paracarpinus chaneyi
  • †Paracosoryx
    • †Paracosoryx nevadensis – or unidentified comparable form
  • †Paracryptotis
    • †Paracryptotis rex
  • †Paradaphoenus
    • †Paradaphoenus cuspigerus
  • †Paradomnina
    • †Paradomnina relictus – type locality for species
  • †Paraenhydrocyon
  • †Parahippus
  • Fossilized skeleton of the Pliocene-Pleistocene ground sloth Paramylodon
    †Paramylodon
  • †Parapaenemarmota
    • †Parapaenemarmota oregonensis
  • Parapholas
    • †Parapholas californica
  • †Parapliosaccomys
    • †Parapliosaccomys oregonensis
  • †Parasyrinx
    • †Parasyrinx delicata
  • †Paratomarctus
  • Life restoration the Eocene-Oligocene camel Paratylopus (upper right)
    †Paratylopus
  • †Paronychomys
    • †Paronychomys shotwelli – type locality for species
  • †Paroreodon
    • †Paroreodon parvus
    • †Paroreodon stocki
  • †Parrotia
    • †Parrotia brevipetiolata
  • †Parthenocissus
    • †Parthenocissus angustisulcata
    • †Parthenocissus clarnensis
  • Parvamussium
    • †Parvamussium astoriana
  • Parvicardium
    • †Parvicardium eugenense
  • Passalus
    • †Passalus indormitus – type locality for species
  • †Pasternackia
    • †Pasternackia pusilla
  • Patinopecten
    • †Patinopecten caurinus
    • †Patinopecten coosensis
    • †Patinopecten oregonensis
    • †Patinopecten popatulus
    • †Patinopecten propatulus
  • †Patriofelis
  • †Pediocetes
    • †Pediocetes lucasii – type locality for species
    • †Pediocetes nanus – type locality for species
    • †Pediocetes phasianellus
  • Pekania
    • †Pekania occulta – type locality for species
  • Life restoration of the Oligocene-Pleistocene false-toothed bird Pelagornis
    †Pelagornis
  • Pelecanus
  • Penitella
    • †Penitella penita
  • †Pentoperculum
    • †Pentoperculum minimus
  • †Perchoerus
    • †Perchoerus probus
  • †Peridiomys
    • †Peridiomys oregonensis
  • Periploma
  • Perognathus
    • †Perognathus stevei – type locality for species
  • A living Peromyscus, or deer mouse
    Peromyscus
    • †Peromyscus antiquus
    • †Peromyscus dentalis
  • †Perse
    • †Perse lincolnensis
    • †Perse pittsburgensis
  • †Petauristodon
  • Phalacrocorax
    • †Phalacrocorax auritus – tentative report
    • †Phalacrocorax leptopus – type locality for species
    • †Phalacrocorax macropus
    • †Phalacrocorax marinavis – type locality for species
  • Phalaropus
  • Phalium
    • †Phalium aequisulcatum
    • †Phalium turricula
  • Phanerolepida
    • †Phanerolepida oregonensis
  • †Philotrox
  • †Phlaocyon
  • Phoca
  • †Phocavis – type locality for genus
    • †Phocavis maritimus – type locality for species
  • Two Phoenicopterus, or flamingos
    Phoenicopterus
  • †Pileosperma
    • †Pileosperma minutum
    • †Pileosperma ovatum
  • †Pinckneya
    • †Pinckneya dilcheri
  • †Pinis
    • †Pinis johndayensis
  • †Pinnarctidion
    • †Pinnarctidion rayi – type locality for species
  • A living Pinus, or pine tree
    Pinus
    • †Pinus johndayensis
    • †Pinus knowltoni
  • †Pistachioides
    • †Pistachioides striata
  • Pitar
    • †Pitar clarki
    • †Pitar dalli
  • †Plafkeria
    • †Plafkeria obliquifolia
  • †Plagiolophus
    • †Plagiolophus weaveri
  • Platanus
    • †Platanus condoni
    • †Platanus condonii
    • †Platanus dissecta
    • †Platanus exaspera
    • †Platanus hirticarpa
  • Restoration of a herd of alarmed Miocene-Pleistocene peccaries of the genus Platygonus. Charles R. Knight (1922).
    †Platygonus
    • †Platygonus brachirostris
    • †Platygonus oregonensis
    • †Platygonus vetus – or unidentified comparable form
  • †Pleiolama
    • †Pleiolama vera – or unidentified comparable form
  • †Plesiocolopirus
    • †Plesiocolopirus hancocki
  • †Plesiogulo
    • †Plesiogulo marshalli
  • †Plesiosorex
    • †Plesiosorex donroosai – or unidentified comparable form
  • †Pleurolicus
    • †Pleurolicus sulcifrons
  • †Pleurolira
    • †Pleurolira oregonensis
  • †Pleuroliria
    • †Pleuroliria bicarinata
  • †Plioceros
  • †Pliocyon – or unidentified comparable form
    • †Pliocyon medius
  • Fossilized skull of the Miocene horse Pliohippus
    †Pliohippus
    • †Pliohippus spectans
  • †Plionarctos
  • †Plionictis
    • †Plionictis ogygia
    • †Plionictis oregonensis
  • †Pliosaccomys
  • †Pliotaxidea
    • †Pliotaxidea nevadensis
  • †Pliozapus
    • †Pliozapus solus
  • Podiceps
  • Podilymbus
  • Pododesmus
  • Life restoration of the Oligocene false saber-toothed cat Pogonodon in a tree
    †Pogonodon
    • †Pogonodon brachyops
    • †Pogonodon platycopis – type locality for species
  • Polinices
    • †Polinices canalis
    • †Polinices draconis
    • †Polinices galianoi
    • †Polinices washingtonensis
    • †Polinices washingtoni
  • †Polinicies
    • †Polinicies clementensis
    • †Polinicies nuciformis
  • †Pollostosperma
    • †Pollostosperma dictyum
  • †Polygrana
    • †Polygrana nutbedense
  • Fronds of living Polypodium ferns
    †Polypodium – or unidentified comparable form
  • †Pontolis – type locality for genus
  • †Potamogeton
    • †Potamogeton parva
  • †Potanospira
    • †Potanospira fryi
  • †Praehyalocylis
    • †Praehyalocylis cretacea
  • †Priscofusus
    • †Priscofusus coli – or unidentified comparable form
    • †Priscofusus geniculus
    • †Priscofusus medialis
    • †Priscofusus medialus
    • †Priscofusus stewarti
  • †Pristichampsus
  • †Procadurcodon – report made of unidentified related form or using admittedly obsolete nomenclature
  • †Procamelus
  • †Procerapex
    • †Procerapex bentsonae
  • Proischyromys – type locality for genus
    • †Proischyromys perditus – type locality for species
  • †Promartes – or unidentified comparable form
  • †Promerycochoerus
    • †Promerycochoerus macrostegus
    • †Promerycochoerus superbus
  • †Proneotherium – type locality for genus
    • †Proneotherium repenningi – type locality for species
  • †Pronotolagus
  • Propeamussium
    • †Propeamussium clallamensis – or unidentified comparable form
  • †Prosomys
    • †Prosomys mimus – type locality for species
  • †Prosthennops
    • †Prosthennops serus – tentative report
  • †Proterozetes – type locality for genus
    • †Proterozetes ulysses – type locality for species
  • Life restoration of the Eocene brontothere mammal Protitanops
    †Protitanops
    • †Protitanops curryi
  • †Protolabis – or unidentified comparable form
  • †Protorepomys – type locality for genus[2]
  • †Protospermophilus
    • †Protospermophilus malheurensis
  • Protothaca
    • †Protothaca staleyi
  • †Pruniticarpa
    • †Pruniticarpa cevallosii
  • Prunus
    • †Prunus olsonii
    • †Prunus weinsteinii
  • Psammacoma
    • †Psammacoma arctata
  • †Psephophorus – tentative report
    • †Psephophorus oregonensis – type locality for species
  • Restoration of the Miocene cat Pseudaelurus
    †Pseudaelurus
  • †Pseudoblastomeryx
    • †Pseudoblastomeryx advena
  • †Pseudotheridomys
    • †Pseudotheridomys pagei
  • †Pseudotomus
  • †Pseudotrimylus
    • †Pseudotrimylus mawbyi
  • †Pseudotsuga
    • †Pseudotsuga laticarpa
  • Pteris
    • †Pteris silvicola
  • Pterocarya
    • †Pterocarya mixta
    • †Pterocarya occidentalis
  • †Pteronarctos – type locality for genus
    • †Pteronarctos goedertae – type locality for species
    • †Pteronarctos piersoni – type locality for species
  • †Pteronepelys
  • †Pulvinisperma
    • †Pulvinisperma minutum
  • Puncturella
  • Pupillaria – tentative report
  • Purpura
    • †Purpura foliata
    • †Purpura lurida
  • Pyramidella – tentative report
  • Pyrenacantha
    • †Pyrenacantha occidentalis
  • †Pyrisemen
    • †Pyrisemen attenuatum
  • Fruit of a living Pyrus, or pear tree
    †Pyrus
    • †Pyrus oregonensis

Q

  • A living Quercus, or oak tree
    Quercus
    • †Quercus berryi
    • †Quercus consimilis
    • †Quercus paleocarpa
  • Querquedula
    • †Querquedula pullulans – type locality for species
  • †Quintacava
    • †Quintacava velosida

R

S

  • Living Sabal, or palmettos
    Sabal
    • †Sabal bracknellense
    • †Sabal jenkinsii
  • †Sabia
    • †Sabia prefoetida
  • Saccella
    • †Saccella amelga
    • †Saccella calkinsi
  • Salenia
    • †Salenia cascadensis – type locality for species
    • †Salix schimperi
  • †Sambucuspermites
    • †Sambucuspermites rugulosus
  • Sanguinolaria
    • †Sanguinolaria townsendensis
  • †Saportaspermum
    • †Saportaspermum occidentalis
  • Sargentodoxa[3]
    • †* Sargentodoxa globosa[3] – type locality for species
  • Sassia
    • †Sassia bilineata
  • Saxicavella
    • †Saxicavella burnsi
  • Saxidomus
  • †Saxifragispermum
    • †Saxifragispermum tetragonalis
  • †Scabraecarpium
    • †Scabraecarpium clarnense
  • †Scalaritheca
    • †Scalaritheca biseriata
  • Scalina
    • †Scalina becki
    • †Scalina dickersoni – or unidentified related form
  • †Scalopoides
    • †Scalopoides ripafodiator
  • †Scapanoscapter
    • †Scapanoscapter simplicidens
  • Scapanus
    • †Scapanus latimanus
    • †Scapanus proceridens
    • †Scapanus shultzi – or unidentified comparable form
  • Shells in multiple views of a Scaphander canoe bubble sea snail
    Scaphander
    • †Scaphander impuncatatus
    • †Scaphander impunctatus – type locality for species
    • †Scaphander stewarti
  • †Scaphicarpium
    • †Scaphicarpium radiatum
  • †Schisandra
    • †Schisandra oregonensis
  • Schizaster
    • †Schizaster diabloensis
  • †Schizodontomys
    • †Schizodontomys greeni
  • A living Sciurus squirrel
    Sciurus
    • †Sciurus ballovianus
    • †Sciurus wortmani
  • †Scolecophagus
    • †Scolecophagus affinis – type locality for species
  • †Scutella
    • †Scutella gabbi
  • Searlesia – tentative report
    • †Searlesia carlsoni
  • Semele
    • †Semele willamettensis
  • Sequoia
  • †Seuku
    • †Seuku emlongi – type locality for species
  • †Sewellelodon
    • †Sewellelodon predontia – or unidentified comparable form
  • Sideroxylon
    • †sideroxylon? subangularis – type locality for species
  • Siliqua
  • †Simocetus – type locality for genus
    • †Simocetus rayi – type locality for species
  • Reconstruction of a fossilized skull and restorative portrait of the Miocene-Pliocene red panda relative Simocyon
    †Simocyon
    • †Simocyon primigenius
  • Simomactra
    • †Simomactra falcata
  • Sinum
    • †Sinum obliquum
    • †Sinum scopulosum
  • Solariella
    • †Solariella cicca – type locality for species
    • †Solariella cidaris
  • Solemya
    • †Solemya ventricosa
  • Solen
    • †Solen sicarius
    • †Solen townsendensis
  • Solena
    • †Solena conradi
    • †Solena eugenensis
    • †Solena novacularis
  • A living Somatochlora dragonfly
    †Somatochlora
  • Spermophilus
    • †Spermophilus gidleyi
    • †Spermophilus mckayensis
    • †Spermophilus shotwelli
    • †Spermophilus tephrus
    • †Spermophilus wilsoni
  • †Sphaerosperma
    • †Sphaerosperma riesii
  • †Sphenophalos
  • †Sphenosperma
    • †Sphenosperma baccatum
  • †Spirocrypta
    • †Spirocrypta pileum
  • Spirotropis
    • †Spirotropis calodius
    • †Spirotropis kincaidi
    • †Spirotropis washingtonensis
  • Spisula
    • †Spisula densata
    • †Spisula eugenensis
  • Spizaetus
    • †Spizaetus pliogryps
  • Fossilized partial skulls of the rodent Oligocene-Miocene Steneofiber
    †Steneofiber
    • †Steneofiber gradatus
  • Stephanodiscus
    • †Stephanodiscus excentricus
    • †Stephanodiscus niagarae
    • †Stephanodiscus rhombus – type locality for species
  • Stercorarius
    • †Stercorarius schufeldti – type locality for species
  • Sterna
  • Fossilized skeleton of the Miocene weasel Sthenictis
    Sthenictis
    • †Sthenictis junturensis – type locality for species
  • †Stichopsammia – tentative report
    • †Stichopsammia vokesi
  • †Stockeycarpa
    • †Stockeycarpa globosa
  • †Stomechinus
    • †Stomechinus dissimilaris – type locality for species
  • †Striatisperma
    • †Striatisperma coronapunctatum
  • Strongylocentrotus
  • Sturnella
  • †Suavodrillia
    • †Suavodrillia winlockensis
  • Life restoration of the Eocene-Oligocene cow-sized rhinoceros Subhyracodon. Charles R. Knight (1890s).
    †Subhyracodon
  • Surculites
    • †Surculites condonana
    • †Surculites wynoocheensis
  • Sveltella
    • †Sveltella exiliplex
    • †Sveltella keaseyensis – type locality for species
  • Symplocos
    • †Symplocos nooteboomii

T

  • †Tanyoplatanus
    • †Tanyoplatanus cranei
  • A living Tapirus, or tapir
    Tapirus
  • Tapiscia
    • †Tapiscia occidentalis
  • Taranis
    • †Taranis columbiana
  • †Tardontia
    • †Tardontia occidentale – or unidentified comparable form
  • Taxidea
  • †Taxus
  • Tegula
    • †Tegula stantoni
  • †Tejonia
    • †Tejonia moragai
  • Restoration of the Miocene-Pliocene rhinoceros Teleoceras
    †Teleoceras
  • †Teletaceras
    • †Teletaceras radinskyi – type locality for species
  • Shell of a Tellina, or tellin
    Tellina
    • †Tellina aduncanasa
    • †Tellina aragonia
    • †Tellina emacerata
    • †Tellina eugenia
    • †Tellina idae – or unidentified related form
    • †Tellina lincolnensis
    • †Tellina pittsburgensis
    • †Tellina quasimacoma
  • †Temnocyon
  • †Tenudomys – or unidentified comparable form
  • †Tenuisperma
    • †Tenuisperma ellipticum
  • †Tephrocyon
  • Terebratalia
    • †Terebratalia occidentalis
  • Terebratulina
    • †Terebratulina unguicula
  • Terminalia
    • †Terminalia oregona
  • Foliage and cones of a living Tetraclinis, or arar tree
    †Tetraclinis
    • †Tetraclinis potlachensis
  • Thais
    • †Thais lamellosa
    • †Thais lima – or unidentified related form
  • †Thanikaimonia
    • †Thanikaimonia geniculata
  • Thesbia – report made of unidentified related form or using admittedly obsolete nomenclature
    • †Thesbia antiselli: synonym of † Xenoturris antiselli (F. Anderson & B. Martin, 1914)
  • †Thinohyus
    • †Thinohyus lentus
  • Thomomys
  • Thracia
    • †Thracia condoni
    • †Thracia keaseyensis – type locality for species
    • †Thracia trapezoides
  • Fossilized skull of the Miocene oreodont mammal Ticholeptus
    †Ticholeptus
    • †Ticholeptus zygomaticus
  • †Ticholepus
    • †Ticholepus zygomaticus
  • †Tiffneycarpa
    • †Tiffneycarpa scleroidea
  • Tilia
    • †Tilia aspera
    • †Tilia circularis
    • †Tilia fossilensis
    • †Tilia lamottei
    • †Tilia pedunculata
    • †Tilia penduculata
  • †Tinomiscoidea
    • †Tinomiscoidea occidentalis
  • Tinospora
    • †Tinospora elongata
    • †Tinospora hardmanae
  • Foliage of a living Torreya, or nutmeg yew
    †Torreya
  • Totanus
    • †Totanus melanoleucas
  • †Toxicodendron
    • †Toxicodendron wolfei
  • Trema
    • †Trema nucilecta
  • Tresus
    • †Tresus pajaroanus
  • Shell of a Trichotropis cap sea snail
    Trichotropis
    • †Trichotropis cancellata
    • †Trichotropis insignis
  • †Trigonostela
    • †Trigonostela oregonensis
  • †Tripartisemen
    • †Tripartisemen bonesii
  • †Triplascapha
    • †Triplascapha collinsonae
  • †Triplexivalva
    • †Triplexivalva rugata
  • †Triplochitioxylon – type locality for genus
    • †Triplochitioxylon oregonensis – type locality for species
  • †Trisepticarpium
    • †Trisepticarpium minutum
  • †Tritonifusus
    • †Tritonifusus rectirostis
  • Trochita
  • Shell of a Trophon murex snail
    Trophon
    • †Trophon halibrectus
    • †Trophon kernensis
    • †Trophon platacantha – type locality for species
  • †Truncatisemen
    • †Truncatisemen sapotoides
  • †Tsaphanomys – type locality for genus[2]
    • †Tsaphanomys shotwelli[2]
  • †Tsuga
    • †Tsuga sonomensis
  • Turricula
    • †Turricula emerita
    • †Turricula keaseyensis
  • †Turrinosyrinx
    • †Turrinosyrinx nodifera
    • †Turrinosyrinx nodilifera
    • †Turrinosyrinx packardi – or unidentified comparable form
  • Turris
    • †Turris coli
    • †Turris impecunia
    • †Turris perversa
    • †Turris smithi
  • Fossilized shells of the Late Jurassic-modern tower snail Turritella
    Turritella
    • †Turritella buwaldana
    • †Turritella keaseyense
    • †Turritella keaseyensis – type locality for species
    • †Turritella oregonensis
    • †Turritella pittsburgensis
    • †Turritella uvasana
  • †Tylocephalonyx
  • Tympanuchus
  • †Typhoides
    • †Typhoides buzekii

U

  • A living Ulmus, or elm
    Ulmus
    • †Ulmus chaneyi
    • †Ulmus speciosa
  • †Ulospermum
    • †Ulospermum hardingae
  • †Unknown
  • †Unknown dicotyledonous
  • †Unknown monocotyledonous
  • †Ursavus

V

  • Venericardia
    • †Venericardia aragonia – or unidentified comparable form
    • †Venericardia hornii
    • †Venericardia merriami – or unidentified comparable form
    • †Venericardia planicosta
  • †Vertipecten
    • †Vertipecten fucanus – or unidentified comparable form
  • Leaves and fruit of a living Viburnum.
    †Viburnum
    • †Viburnum tubmanum
  • Leaves and fruit of a living Vitis, or grapevine
    Vitis
    • †Vitis magnisperma
    • †Vitis tiffneyi
  • Vulpes

W

  • †Wheelera
    • †Wheelera lingnicrusta

X

  • A living Xema sabini, or Sabine's gull
    Xema
    • †Xema sabinii
  • †Xenicohippus
    • †Xenicohippus craspedotum
  • †Xylotitan – type locality for genus
    • †Xylotitan cenosus – type locality for species

Y

  • †Yaquinacetus – type locality for genus[4]
    • †Yaquinacetus meadi – type locality for species[4]
  • Yoldia
    • †Yoldia cooperii – or unidentified comparable form
    • †Yoldia impressa
    • †Yoldia oregona
    • †Yoldia seminuda
    • †Yoldia tenuissima

Z

References

  1. ^ a b c d Gerald R. Smith; Jay Van Tassell (2019). "Fishes of the Mio-Pliocene Western Snake River Plain and vicinity. V. Keating, Always Welcome Inn, and Imbler Fish paleofaunas, NE Oregon: Tests of Miocene-Pliocene drainage connections". Miscellaneous Publications. Museum of Zoology, University of Michigan. 204 (5): 1–33. hdl:2027.42/150494.
  2. ^ a b c Robert A. Martin; Richard J. Zakrzewski (2019). "On the ancestry of woodrats". Journal of Mammalogy. 100 (5): 1564–1582. doi:10.1093/jmammal/gyz105.
  3. ^ a b Manchester, S. R. (1999). "Biogeographical relationships of North American tertiary floras". Annals of the Missouri Botanical Garden. 86: 472–522. doi:10.2307/2666183. JSTOR 2666183.
  4. ^ a b Olivier Lambert; Stephen J. Godfrey; Erich M. G. Fitzgerald (2019). "Yaquinacetus meadi, a new latest Oligocene–early Miocene dolphin (Cetacea, Odontoceti, Squaloziphiidae, fam. nov.) from the Nye Mudstone (Oregon, U.S.A.)". Journal of Vertebrate Paleontology. 38 (6) e1559174. doi:10.1080/02724634.2018.1559174. S2CID 108903672.
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