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
  • Abies
    • †Abies chaneyi
    • †Abies sonomensis
  • Shell of an Acamptogenotia sea snail
    †Acamptogenotia
    • †Acamptogenotia nodulosa
    • †Acamptogenotia tessellata
  • Acanthocardia
    • †Acanthocardia brewerii
  • Acer
    • †Acer ashwillii
    • †Acer cranei
    • †Acer glabroides
    • †Acer kluckingii
    • †Acer manchesteri
    • †Acer oligomedianum
    • †Acer osmonti
    • †Acer osmontii
  • †Acericecis
    • †Acericecis chaneyi – type locality for species
  • †Achaenodon
    • †Achaenodon fremdi – type locality for species
  • †Achlyoscapter
    • †Achlyoscapter longirostris
  • Acila
    • †Acila conradi
    • †Acila decisa
    • †Acila gettysburgensis
    • †Acila nehalemensis
    • †Acila shumardi
    • †Acila trilineata
  • Acmaea
    • †Acmaea vokesi
  • Mounted fossilized skeleton of the Miocene horse Acritohippus
    †Acritohippus
    • †Acritohippus isonesus
  • Acteon
    • †Acteon chehalisensis
    • †Acteon parvum
  • †Actinidia
  • †Acutostrea
    • †Acutostrea idriaensis
  • †Adeloblarina
    • †Adeloblarina berklandi
  • Admete
    • †Admete umbilicata
  • Aechmophorus
    • †Aechmophorus occidentalis
  • †Aesculus
  • Life restoration of the Oligocene baleen whale Aetiocetus
    †Aetiocetus – type locality for genus
    • †Aetiocetus cotylalveus – type locality for species
    • †Aetiocetus weltoni – type locality for species
  • Aforia
    • †Aforia campbelli
    • †Aforia clallamensis – or unidentified comparable form
  • †Agasoma
    • †Agasoma gravidum
  • Agelaius – tentative report
  • Life restoration of the Eocene-Oligocene even-toed ungulate Agriochoerus
    †Agriochoerus
    • †Agriochoerus guyotianus
  • Aix
    • †Aix sponsa
  • Alangium
    • †Alangium eydei
    • †Alangium rotundicarpum
    • †Alangium thomae
  • †Allocyon
    • †Allocyon loganensis
  • †Allomys
    • †Allomys simplicidens
  • †Alluvisorex
    • †Alluvisorex arcadentes
  • Alnus
  • †Alwoodia
    • †Alwoodia magna
  • Amaea
    • †Amaea dickersoni – or unidentified related form
  • Life restoration of the Miocene elephant relative Amebelodon. Margret Flinsch (1932).
    †Amebelodon
  • Amelanchier
    • †Amelanchier covea
    • †Amelanchier grayi
  • †Ameranella
    • †Ameranella terrysmithae – type locality for species
  • Ammospermophilus
    • †Ammospermophilus junturensis
  • Ampelocissus
    • †Ampelocissus auriforma
    • †Ampelocissus rooseae
    • †Ampelocissus scottii
  • Life restoration of the Miocene-Pliocene beardog Amphicyon
    †Amphicyon
    • †Amphicyon frendens
    • †Amphicyon galushai – or unidentified comparable form
  • Amphissa
    • †Amphissa corrugata
  • †Ampullina
    • †Ampullina oregonensis
  • †Anabernicula
  • Anadara
    • †Anadara devincta
  • †Anamirta
    • †Anamirta leiocarpa
  • Anas
    • †Anas acuta
    • †Anas americana
    • †Anas boschas
    • †Anas carolinensis
    • A living Spatula clypeata, or northern shoveler
      †Anas clypeata
    • †Anas cyanoptera
    • †Anas discors
    • †Anas platyrhynchos
  • Ancilla
    • †Ancilla vernisa – type locality for species
  • †Anechinocardium
    • †Anechinocardium lorenzanum
    • †Anechinocardium weaveri
  • †Ankistrosperma
    • †Ankistrosperma spitzerae
  • Anona
    • †Anona preretriculata
  • †Anonaspermum
    • †Anonaspermum bonesii
    • †Anonaspermum pulchrum
    • †Anonaspermum rotundum
  • †Anonymocarpa
    • †Anonymocarpa ovoidea
  • †Anorthoscutum
    • †Anorthoscutum oregonensis
  • Anser
    • †Anser albifrons
    • †Anser condoni – type locality for species
  • †Antecalomys
    • †Antecalomys valensis
  • Antillophos
    • †Antillophos dumbleana
  • Antilocapra
    • †Antilocapra americana – or unidentified comparable form
  • †Aperiploma
    • †Aperiploma bainbridgensis
  • Aphananthe
    • †Aphananthe maii
  • †Aphelops
    • †Aphelops megalodus
  • Aquila
    • †Aquila chrysaetos
    • †Aquila pliogryps – type locality for species
    • †Aquila sodalis – type locality for species
  • Arbacia
    • †Arbacia abiquaensis – type locality for species
  • †Archaeocyon
    • †Archaeocyon pavidus
  • †Archaeohippus
    • †Archaeohippus ultimus
  • †Archaeolagus
    • †Archaeolagus macrocephalus – or unidentified comparable form
  • †Archaeotherium
  • Architectonica
    • †Architectonica blanda
  • Archoplites[1]
    • †Archoplites langrellorum – type locality for species[1]
  • Restoration of an Arctodus, or short-faced bear, with a human to scale
    †Arctodus
  • †Arctomyoides
    • †Arctomyoides oregonensis
  • Ardea
    • †Ardea herodias
    • †Ardea paloccidentalis – type locality for species
  • Argobuccinum
    • †Argobuccinum cammani
    • †Argobuccinum coosense
    • †Argobuccinum jeffersonense
    • †Argobuccinum oregonense
  • †Ascosphaera
    • †Ascosphaera eocenis
  • †Asterocarpinus
    • †Asterocarpinus chaneyi
    • †Asterocarpinus perplexans
  • Astraea
    • †Astraea inequalis
  • Astreopora
    • †Astreopora occidentalis – type locality for species
  • Astropecten
  • †Atriaecarpum
    • †Atriaecarpum clarnense
  • Fossilized shell of the Paleocene-Miocene nautiloid cephalopod Aturia
    †Aturia
    • †Aturia angustata
    • †Aturia grandior – or unidentified comparable form
  • †Aucuba
    • †Aucuba smileyi
  • †Axinosperma
    • †Axinosperma agnostum
  • Aythya
    • †Aythya marila

B
  • Balaena
  • Balaenoptera
    • Illustration of a living Balaenoptera acutorostrata, or common minke whale
      †Balaenoptera acutorostrata – or unidentified comparable form
  • Balanophyllia
  • Balanus
  • Balcis
  • †Barbouromeryx
  • Bartramia
    • †Bartramia umatilla – type locality for species
  • †Basirepomys
    • †Basirepomys pliocenicus – or unidentified comparable form
    • †Basirepomys romensis – type locality for species
  • Shell of a Bathybembix sea snail
    Bathybembix
    • †Bathybembix columbiana
    • †Bathybembix nitor – type locality for species
  • Bathytoma
    • †Bathytoma gabbiana
  • †Beckerosperma
    • †Beckerosperma ovalicarpa
  • Bela
    • †Bela tabulata
  • Betula
    • †Betula angustifolia
  • Bittium
    • †Bittium eschrichti
  • †Bonellitia
    • †Bonellitia paucivaricata
    • †Bonellitia smithwickensis – type locality for species
    • †Bonellitia tumida – type locality for species
  • †Bonesia
    • †Bonesia spatulata
  • Boreotrophon
    • †Boreotrophon gracilis
    • †Boreotrophon stuarti
  • Restoration of two of the Miocene-Pliocene bone-crushing dog genus Borophagus preying on a camel. Jay Matternes (1964).
    †Borophagus
  • Botaurus
    • †Botaurus lentiginosus
  • †Bouromeryx
    • †Bouromeryx americanus – or unidentified comparable form
    • †Bouromeryx submilleri
  • Brachidontes
    • †Brachidontes cowlitzensis
  • Branta
    • †Branta bernicla
    • †Branta canadensis
    • †Branta hypsibata – tentative report
    • †Branta hypsibatus
    • †Branta propinqua – type locality for species
  • †Bruclarkia
    • †Bruclarkia columbiana
    • †Bruclarkia columbianum
    • †Bruclarkia oregonensis
    • †Bruclarkia vokesi
  • Bubo
    • A living Bubo virginianus, or great horned owl
      †Bubo virginianus
  • Buccinum
  • Bullia
    • †Bullia bogachielia
  • †Bumelia – tentative report
    • †Bumelia globosa
    • †Bumelia subangularis
  • †Bursericarpum
    • †Bursericarpum oregonense

C
  • Cadulus
  • Calliostoma
    • †Calliostoma cammani
    • †Calliostoma costatum
  • Callista
    • †Callista conradiana
  • A living Callorhinus ursinus, or northern fur seal
    Callorhinus – tentative report
  • ] †Calocedrus
    • †Calocedrus schornii
  • †Calycocarpum
    • †Calycocarpum crassicrustae
  • Calyptraea
    • †Calyptraea diegoana
    • †Calyptraea fastigiata
    • †Calyptraea inornata
    • †Calyptraea sookensis
  • †Camelops
    • †Camelops hesternus
  • Cancellaria
    • †Cancellaria oregonensis
    • †Cancellaria siletzensis
  • Canis
    • Modern mounted skeleton of Canis lupus, the grey wolf, to scale with a fossilized skeleton of the Pleistocene wolf Canis dirus, or dire wolf
      †Canis dirus – or unidentified comparable form
    • †Canis edwardii
    • †Canis latrans
    • †Canis lupus – or unidentified comparable form
  • Cardiomya
    • †Cardiomya anaticepsella – type locality for species
    • †Cardiomya pavascotti
  • †Carpocyon
  • †Carpolithus
    • †Carpolithus bellisperma
  • A living Carya, or hickory tree
    Carya
  • Caryophyllia
    • †Caryophyllia oregonensis – type locality for species
  • Castanea
    • †Castanea basidentata
  • Castanopsis
    • †Castanopsis crepetii
    • †Castanopsis longifolius
  • Castor
  • †Catalpa
  • Cedrela
    • †Cedrela merrillii
  • †Cedrelospermum
    • †Cedrelospermum lineatum
  • Celleporina
  • Celtis
    • †Celtis burnhamae
  • †Centrocercus
    • †Centrocercus urophasianus
  • Cercidiphyllum
    • †Cercidiphyllum crenatum
  • Flowers of a living Cercis or redbud tree
    Cercis
    • †Cercis maurerae
  • Cerithiopsis
    • †Cerithiopsis preussi – or unidentified comparable form
  • †Chandlera
    • †Chandlera lacunosa
  • †Charitonetta
    • †Charitonetta albeola
  • Chen
    • †Chen hyperborea
    • †Chen rossii
  • Life restoration of the Pleistocene-Holocene Chendytes, or Law's diving-goose
    †Chendytes
  • Chione
    • †Chione ensifera
    • †Chione securis
  • Chlidonias
    • †Chlidonias nigra
  • Chlorostoma
    • †Chlorostoma pacificum
  • †Choerodon
    • †Choerodon caninus
  • †Chrysodomus
    • †Chrysodomus bairdi
    • †Chrysodomus imperialis
    • †Chrysodomus nodiferus
    • †Chrysodomus phoenicus
    • †Chrysodomus tabulatus
  • Ciliatocardium
    • †Ciliatocardium coosense
  • †Cinnamomophyllum
    • †Cinnamomophyllum bendirei
  • Circus
    • †Circus eyaneus
  • Cladrastis
    • †Cladrastis oregonensis
  • Clangula
    • A living Clangula hyemalis, or long-tailed duck
      †Clangula hyemalis
  • Cleyera
    • †Cleyera grotei
  • Clinocardium
  • †Clivuloturris
    • †Clivuloturris levis – or unidentified comparable form
  • Cochliolepis – tentative report
    • †Cochliolepis schoonerensis
  • Colaptes
    • †Colaptes cafer
  • †Colodon
  • Columbella
    • †Columbella gausapata
  • Shells in differing orientations of Colus whelk sea snails
    Colus – tentative report
    • †Colus precursor
  • Colymbus
    • †Colymbus holbellii
    • †Colymbus nigricollis
    • †Colymbus oligocaenus – type locality for species
    • †Colymbus parvus
  • †Comicilabium
    • †Comicilabium atkinsii
  • Comitas
  • †Comminicarpa
    • †Comminicarpa friisae
  • Comptonia
    • †Comptonia columbiana
  • †Conchocele
    • †Conchocele bathyaulax
    • †Conchocele bisecta
    • †Conchocele taylori
  • Conomitra
    • †Conomitra vernoniana – type locality for species
  • Fossilized shell of a Conus cone snail
    Conus
    • †Conus armentrouti – type locality for species
    • †Conus weltoni – type locality for species
  • †Copemys
    • †Copemys barstowensis
    • †Copemys esmeraldensis
    • †Copemys pagei
  • †Cophocetus – type locality for genus
    • †Cophocetus oregonensis – type locality for species
  • Corbula
    • †Corbula dickersoni
  • †Cormocyon
    • †Cormocyon copei
  • Cornus
  • †Cornwallius
    • †Cornwallius sookensis
  • Corvus
    • †Corvus annectens – type locality for species
    • †Corvus corax
  • †Coryloides
    • †Coryloides hancockii
  • Fossilized fruit of a Craigia plant
    Craigia
    • †Craigia oregonensis
  • Crataegus
    • †Crataegus merriamii
    • †Crataegus newberryi
  • Crenella
    • †Crenella porterensis – or unidentified comparable form
  • Crepidula
    • †Crepidula adunca
    • †Crepidula grandis – or unidentified comparable form
    • †Crepidula praerupta
    • †Crepidula princeps
    • †Crepidula ungana
  • †Cruciptera
    • †Cruciptera simsonii
  • †Crusafontina
    • †Crusafontina minima
  • Cryptomya
    • †Cryptomya californica
  • Cryptonatica
  • A taxidermied Cryptotis , or small-eared shrew
    Cryptotis
    • †Cryptotis adamsi
  • †Cuneisemen
    • †Cuneisemen truncatum
  • †Cunninghamia
    • †Cunninghamia chaneyi
  • †Cupidinimus
    • †Cupidinimus magnus
  • †Curvitinospora
    • †Curvitinospora formanii
  • Cyclocardia
    • †Cyclocardia hannibali – or unidentified comparable form
    • †Cyclocardia moniligena
    • †Cyclocardia subtenta
    • †Cyclocardia ventricosa
  • †Cyclotella
    • †Cyclotella jonesii – type locality for species
  • Cygnus
  • Cymatium
    • †Cymatium pacificum
  • †Cynarctoides
    • †Cynarctoides lemur
    • †Cynarctoides luskensis – or unidentified comparable form
  • Fossilized cranium of the Miocene bear-dog Cynelos
    †Cynelos
    • †Cynelos sinapius
  • †Cynorca
  • †Cyperacites

D
  • †Daeodon
  • Dafila
    • †Dafila acuta
  • †Daphoenodon
    • †Daphoenodon robustum
  • †Daphoenus
    • †Daphoenus socialis
  • †Dasmia
    • †Dasmia americana – type locality for species
  • Mounted fossilized skeleton of the Eocene pseudo-toothed bird Dasornis
    †Dasornis – or unidentified related form
  • †Davisicarpum
    • †Davisicarpum limacioides
  • Decodon
    • †Decodon brownii
  • Delectopecten
    • †Delectopecten peckhami
  • Dendragapus – type locality for genus
    • †Dendragapus gillii – type locality for species
  • †Dendrogapus
    • †Dendrogapus lucasi
    • †Dendrogapus nanus
  • Dentalium
    • †Dentalium laneensis
    • †Dentalium pseudonyma
    • †Dentalium rectius
    • †Dentalium stentor
  • †Dentisemen
    • †Dentisemen parvum
  • †Desmatippus
    • †Desmatippus avus
  • †Desmatochoerus
    • †Desmatochoerus leidyi
  • †Desmatolagus
  • †Desmatophoca
    • †Desmatophoca oregonensis
  • †Desmocyon
    • †Desmocyon thomsoni
  • Life restoration of the Oligocene-Miocene herbivorous marine mammal Desmostylus
    †Desmostylus
    • †Desmostylus hesperus – type locality for species
  • †Deviacer
    • †Deviacer wolfei
  • †Diceratherium
    • †Diceratherium annectens
    • †Diceratherium armatum
  • †Dilophodelphis – type locality for genus
    • †Dilophodelphis fordycei – type locality for species
  • †Dinaelurus
    • †Dinaelurus crassus
  • Life restoration of the Eocene-Miocene false saber-toothed cat Dinictis. Robert Bruce Horsfall (1913).
    †Dinictis
    • †Dinictis cyclops
  • †Diplobunops
    • †Diplobunops kardoula – type locality for species
  • Diploclisia
    • †Diploclisia auriformis
  • †Diplodipelta – type locality for genus
    • †Diplodipelta miocenica
    • †Diplodipelta reniptera
  • Diplodonta
    • †Diplodonta parilis
  • †Diploporus
    • †Diploporus torreyoides
  • †Dipoides
    • †Dipoides smithi – type locality for species
    • †Dipoides stirtoni – type locality for species
    • †Dipoides vallicula
  • †Diprionomys
    • †Diprionomys parvus
  • Dipteronia
  • Discinisca
    • †Discinisca oregonensis
  • †Domninoides
  • Dosinia
    • †Dosinia whitneyi
  • Horns and other fossils attributed to Dromomeryx
    †Dromomeryx
    • †Dromomeryx borealis
  • †Durocarpus
    • †Durocarpus cordatus
  • †Dyticonastis – type locality for genus
    • †Dyticonastis rensbergeri – type locality for species

E
  • Echinophoria
    • †Echinophoria dalli
  • †Ectinochilus
    • †Ectinochilus macilenta
  • †Ekgmowechashala
  • †Emmenopterys
    • †Emmenopterys dilcheri
  • Life restoration of the Oligocene-Miocene Enaliarctos and the toothed whale Macrodelphinus (background)
    †Enaliarctos
    • †Enaliarctos barnesi – type locality for species
    • †Enaliarctos emlongi – type locality for species
    • †Enaliarctos mitchelli
    • †Enaliarctos tedfordi – type locality for species
  • Engelhardtia
    • †Engelhardtia olsoni
  • Enhydra
  • †Enhydrocyon
    • †Enhydrocyon prolatus
    • †Enhydrocyon stenocephalus
  • Ennucula
    • †Ennucula nuculana
  • Ensete
    †Ensete
    • †Ensete oregonense – type locality for species
  • †Entoptychus
    • †Entoptychus individens
    • †Entoptychus planifrons
    • †Entoptychus wheelerensis
  • †Eohypserpa
    • †Eohypserpa scottii
  • †Eopleurotoma
    • †Eopleurotoma ornata – or unidentified related form
  • †Eosiphonalia
    • †Eosiphonalia oregonensis
  • Epacroleda – report made of unidentified related form or using admittedly obsolete nomenclature
    • †Epacroleda epacris
  • Mounted fossilized skeleton of the Miocene bone-crushing dog Epicyon
    †Epicyon
    • †Epicyon haydeni
    • †Epicyon saevus
  • †Epihippus
    • †Epihippus gracilis
  • Epilucina
    • †Epilucina washingtoniana
  • Epitonium
    • †Epitonium condoni
    • †Epitonium hindsii
    • †Epitonium keaseyense
    • †Epitonium keaseyensis
    • †Epitonium schencki
    • †Epitonium wyattdurhami – type locality for species
  • Fossilized skull of the Oligocene-Miocene oreodont mammal Eporeodon
    †Eporeodon
    • †Eporeodon occidentalis
    • †Eporeodon trigonocephalus
  • †Equisetum
  • Equus
    • †Equus pacificus
  • †Eremochen – type locality for genus
    • †Eremochen russelli – type locality for species
  • †Erismatura
    • †Erismatura jamaicensis
  • Erolia
    • †Erolia melanotos
  • Ervilia – tentative report
    • †Ervilia oregonensis
  • †Eschatius
  • †Eubrontotherium – type locality for genus
    • †Eubrontotherium clarnoensis – type locality for species
  • †Eucastor
    • †Eucastor malheurensis
  • Fossilized skeleton of the Miocene-Pliocene coyote-like canine Eucyon
    †Eucyon
    • †Eucyon davisi
  • †Euoplocyon
    • †Euoplocyon brachygnathus
  • Euphagus
    • †Euphagus cyanocephalus
  • Eurytellina
    • †Eurytellina aduncanasa
  • Euspira
    • †Euspira clementensis
    • †Euspira hotsoni
    • †Euspira nuciformis
    • †Euspira pallida
  • †Eutrephoceras
    • †Eutrephoceras oregonense
  • Exbucklandia
    • †Exbucklandia oregonensis
  • †Exilia
    • †Exilia bentsonae – type locality for species
    • †Exilia lincolnensis

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
  • Fossilized flower of the Eocene-Oligocene rose relative Florissantia
    †Florissantia
    • †Florissantia ashwillii – type locality for species
    • †Florissantia speirii
  • †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
    • A living Fulica americana, or American coot
      †Fulica americana
    • †Fulica infelix – type locality for species
    • †Fulica minor – type locality for species
  • †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
  • †Hadrianus
  • Halesia
    • †Halesia oregona
  • Haliaeetus
    • †Haliaeetus leucocephalus
  • Fossilized mandible of the Eocene horse Haplohippus
    †Haplohippus
    • †Haplohippus texanus
  • †Haplomys
    • †Haplomys liolophus
  • †Hemiauchenia – tentative report
  • †Hemipsalodon
    • †Hemipsalodon grandis
  • Hemithiris
    • †Hemithiris psittacea
  • †Heptacodon
  • Heptranchias
  • Life restoration of the Eocene-Miocene mammal Herpetotherium
    †Herpetotherium
    • †Herpetotherium merriami
  • †Hesperhys – or unidentified comparable form
  • †Hesperogaulus
    • †Hesperogaulus gazini – type locality for species
    • †Hesperogaulus wilsoni – type locality for species
  • †Hesperolagomys
    • †Hesperolagomys galbreathi – or unidentified comparable form
  • †Hesperosorex – tentative report
  • Heteropora
  • †Hexacarpellites
    • †Hexacarpellites hallii
  • Hiatella
  • Himantopus
    • †Himantopus mexicanus
  • †Hippotherium
  • Life restoration of the Eocene-Oligocene false saber-toothed cat Hoplophoneus. Robert Bruce Horsfall (1913).
    †Hoplophoneus
    • †Hoplophoneus cerebralis
    • †Hoplophoneus strigidens
  • †Hovenia
    • †Hovenia oregonensis
  • Hydrangea
    • †Hydrangea knowltonii
  • †Hydrochelidon
    • †Hydrochelidon nigra
  • †Hypertragulus
    • †Hypertragulus calcaratus
    • †Hypertragulus hesperius
    • †Hypertragulus planiceps
  • Life restoration of the Miocene horse Hypohippus. Heinrich Harder (1920).
    †Hypohippus
    • †Hypohippus osborni
  • †Hypolagus
    • †Hypolagus fontinalis
    • †Hypolagus oregonensis – type locality for species
    • †Hypolagus vetus
  • †Hypomorphnus
    • †Hypomorphnus sodalis – tentative report
  • †Hypsidoris
    • †Hypsidoris oregonensis – type locality for species
  • †Hypsiops
    • †Hypsiops breviceps
  • †Hyrachyus
    • †Hyrachyus eximius
  • †Hystricops
    • †Hystricops browni

I
  • Fossilized skull of the Miocene bear Indarctos
    †Indarctos
    • †Indarctos oregonensis – type locality for species
  • †Ingentisorex
    • †Ingentisorex tumididens
  • †Iodes
    • †Iodes chandlerae
    • †Iodes multirecticulata
  • †Iodicarpa
    • †Iodicarpa ampla
    • †Iodicarpa lenticularis
  • Isocrinus
  • Isurus

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

K
  • Restoration of the Oligocene-Miocene horse Kalobatippus
    †Kalobatippus
  • †Kardiasperma
    • †Kardiasperma parvum
  • Katherinella
    • †Katherinella angustifrons
  • †Keasius
    • †Keasius taylori – type locality for species
  • Kellia
    • †Kellia saxiriva – type locality for species
    • †Kellia vokesi – type locality for species
  • †Keteleeria
    • †Keteleeria rujadana
  • †Kewia
    • †Kewia marquamensis – type locality for species
  • †Kolponomos
    • †Kolponomos newportensis – type locality for species

L
  • Lacuna
  • Lamelliconcha
    • †Lamelliconcha clarki
  • †Langtonia
    • †Langtonia bisulcata
  • †Lantanotherium
  • Larus
    • †Larus argentatus
    • A living Larus californicus, or California gull
      †Larus californicus
    • †Larus oregonus – type locality for species
    • †Larus philadelphia
    • †Larus pristinus – type locality for species
    • †Larus robustus – type locality for species
  • †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
    • †Leptocyon douglassi
    • †Leptocyon mollis
    • †Leptocyon vulpinus
  • †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
    • A living Limnodromus griseus, or short-billed dowitcher
      †Limnodromus griseus – tentative report
  • †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
    • †Lobipes lobatus
  • Lophodytes
    • A living Lophodytes cucullatus, or hooded merganser
      †Lophodytes cucullatus
  • †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
  • †Macginicarpa
    • †Macginicarpa glabra
  • Fossilized cranium of the Miocene-Pleistocene saber-toothed cat Machairodus
    †Machairodus
  • †Machilus
    • †Machilus asiminoides
  • Macoma
    • †Macoma albaria
    • †Macoma arcatata
    • †Macoma astori
    • †Macoma calcarea
    • †Macoma golikovi
    • †Macoma inquinata
    • Shell of Macoma nasuta, or the bent-nosed clam
      †Macoma nasuta
    • †Macoma vancouverensis
  • Macrocallista
    • †Macrocallista pittsburgensis
  • †Macrognathomys
    • †Macrognathomys nanus
  • Mactromeris
    • †Mactromeris albaria
    • †Mactromeris pittsburgensis
    • †Mactromeris polynyma
    • †Mactromeris ramonensis
    • †Mactromeris veneriformis
  • Close-up view of a Magnolia flower
    Magnolia
    • †Magnolia muldoonae
    • †Magnolia paroblonga
    • †Magnolia tiffneyi
  • Mahonia
    • †Mahonia simplex
  • †Malus – or unidentified comparable form
  • †Mammut
    • †Mammut furlongi – type locality for species
  • †Mammuthus
    • Life restoration of a herd of Mammuthus columbi, or Columbian mammoths. The extent of the fur depicted is hypothetical. Charles R. Knight (1909).
      †Mammuthus columbi – tentative report
  • Marcia
    • †Marcia bunkeri
    • †Marcia oregonensis
  • Margarites
    • †Margarites pupilla
  • †Marshochoerus
    • †Marshochoerus socialis
  • Martes
    • †Martes gazini – type locality for species
  • Martesia
    • †Martesia turnerae
  • Mastixia
  • †Mastixicarpum
    • †Mastixicarpum occidentale
  • †Mastixioidiocarpum
    • †Mastixioidiocarpum oregonense
  • Megachasma
  • Mounted fossilized skeleton of the Miocene-Pleistocene ground sloth Megalonyx
    †Megalonyx
  • †Megapaloelodus
    • †Megapaloelodus opsigonus – type locality for species
  • †Megatylopus
  • Megayoldia
    • †Megayoldia chehalisensis
  • Melanitta
    • †Melanitta deglandi
    • †Melanitta perspicillata
  • †Meliosma
    • †Meliosma beusekomii
    • †Meliosma bonesii
    • †Meliosma elongicarpa
    • †Meliosma jenkinsii
    • †Meliosma leptocarpa
  • †Meniscomys
    • †Meniscomys uhtoffi
  • †Menispermum – or unidentified comparable form
  • Mergus
    • †Mergus merganser
    • †Mergus serrator
  • Life restoration of the Miocene three-toed horse Merychippus
    †Merychippus
    • †Merychippus brevidontus
    • †Merychippus relictus
  • †Merychyus
    • †Merychyus arenarum
    • †Merychyus minimus
  • †Merycochoerus
    • †Merycochoerus magnus
    • †Merycochoerus matthewi
    • †Merycochoerus minor
  • †Merycoides
    • †Merycoides longiceps
  • †Merycoidodon
    • †Merycoidodon bullatus
  • Skull fossils of the Oligocene-Miocene dog Mesocyon
    †Mesocyon
    • †Mesocyon brachyops
    • †Mesocyon coryphaeus
  • †Mesohippus
    • †Mesohippus bairdi – or unidentified comparable form
  • †Metalopex
    • †Metalopex merriami
  • Metasequoia
  • †Microphallus
    • †Microphallus perplexus
  • Micropodium
    • †Micropodium ovatum
  • †Micropternodus
    • †Micropternodus morgani
  • Microtus
    • †Microtus montanus
  • Fossilized skull of the Eocene-Oligocene three-toed horse Miohippus
    †Miohippus
    • †Miohippus intermedius
  • †Miopleionia
    • †Miopleionia oregonensis
  • †Mioplejonia
    • †Mioplejonia oregonensis
  • †Miotapirus
  • †Mistia – type locality for genus
    • †Mistia spinosa – type locality for species
  • Modiolatus
    • †Modiolatus rectus
  • Modiolus
  • †Molopophorus
    • †Molopophorus anglonana
    • †Molopophorus dalli
    • †Molopophorus fishii
    • †Molopophorus gabbi
    • †Molopophorus matthewi
  • Molothrus
    • †Molothrus ater – tentative report
  • †Monosaulax
    • †Monosaulax progressus – type locality for species
    • †Monosaulax typicus – type locality for species
  • Life restoration of the Miocene chalicothere mammal Moropus threatening a pair of the bear-dog Daphoenodon. Jay Matternes (1964).
    †Moropus
    • †Moropus oregonensis
  • Mulinia
    • †Mulinia eugenensis
  • Mustela
  • †Mya
  • †Mylagaulodon
    • †Mylagaulodon angulatus
  • Myotis – or unidentified comparable form
  • †Mystipterus
    • †Mystipterus pacificus
  • †Mystocheilus – type locality for genus[1]
    • †Mystocheilus fresti – type locality for species[1]
  • Mytilus
    • †Mytilus californianus
    • †Mytilus edulis
    • †Mytilus middendorffi
    • †Mytilus snohomishensis

N
  • †Nanotragulus – or unidentified comparable form
  • A living Nassarius, or nassa mud snail
    Nassarius
    • †Nassarius arnoldi
    • †Nassarius fossata
    • †Nassarius lincolnensis
    • †Nassarius perpinguis
  • 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
    • †Numenius americanus – tentative report
  • †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
    • †Oryctoantiquus borealis – type locality for species
  • †Osbornodon
    • †Osbornodon sesnoni
  • 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
    • †Paleopanax oregonensis
  • †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
    • A living Panthera onca, or jaguar
      †Panthera onca – or unidentified comparable form
  • †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
    • †Paraenhydrocyon josephi
    • †Paraenhydrocyon wallovianus
  • †Parahippus
  • Fossilized skeleton of the Pliocene-Pleistocene ground sloth Paramylodon
    †Paramylodon
    • †Paramylodon harlani
  • †Parapaenemarmota
    • †Parapaenemarmota oregonensis
  • Parapholas
    • †Parapholas californica
  • †Parapliosaccomys
    • †Parapliosaccomys oregonensis
  • †Parasyrinx
    • †Parasyrinx delicata
  • †Paratomarctus
    • †Paratomarctus temerarius
  • 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
    • †Patriofelis ferox
  • †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
    • †Pelecanus erythrorhynchos
    • †Pelecanus erythrorhynchus – tentative report
  • 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
    • †Phalaropus lobatus
  • Phalium
    • †Phalium aequisulcatum
    • †Phalium turricula
  • Phanerolepida
    • †Phanerolepida oregonensis
  • †Philotrox
    • †Philotrox condoni
  • †Phlaocyon
  • Phoca
    • †Phoca vitulina – or unidentified comparable form
  • †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
    • †Podiceps auritus – tentative report
  • Podilymbus
    • †Podilymbus podiceps
  • 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
    • †Pontolis magnus – type locality for species
  • †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
    • †Procamelus grandis – or unidentified comparable form
  • †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
    • †Pteronepelys wehrii
  • †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
  • Raja
  • Rallus
    • †Rallus limicola
  • Raninoides
    • †Raninoides washburnei
  • Recurvirostra
    • A living Recurvirostra americana, or American avocet
      †Recurvirostra americana
  • Retusa
    • †Retusa petrosa
    • †Retusa tantilla
    • †Retusa turneri
  • Rhabdus
    • †Rhabdus schencki
  • †Rhizocyon
    • †Rhizocyon oregonensis
  • Rhus
  • †Ribes
  • Rimella
  • Rosa
    • †Rosa hilliae
  • A living member of Rubus, the genus including blackberries (pictured) and raspberries
    Rubus
    • †Rubus ameyeri
    • †Rubus fremdii
  • †Rudiocyon – type locality for genus
    • †Rudiocyon amplidens – type locality for species
  • †Rudiomys
    • †Rudiomys mcgrewi

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
    • †Salix schimperi
  • †Sambucuspermites
    • †Sambucuspermites rugulosus
  • Sanguinolaria
    • †Sanguinolaria townsendensis
  • †Saportaspermum
    • †Saportaspermum occidentalis
  • 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
  • Siliqua
    • †Siliqua patula
  • †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
    • †Somatochlora oregonica – type locality for species
  • 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
    • †Sterna elegans – tentative report
    • †Sterna forsteri
    • †Sterna fosteri – tentative report
  • 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
    • †Teleoceras fossiger
    • †Teleoceras hicksi
    • †Teleoceras medicornutum
  • †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
    • †Temnocyon altigenis
    • †Temnocyon fingeruti – type locality for species
  • †Tenudomys – or unidentified comparable form
  • †Tenuisperma
    • †Tenuisperma ellipticum
  • †Tephrocyon
    • †Tephrocyon rurestris
  • 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
    • †Thomomys townsendii
  • 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
    • †Tympanuchus pallidicinctus
  • †Typhoides
    • †Typhoides buzekii

U
  • A living Ulmus, or elm
    Ulmus
    • †Ulmus chaneyi
    • †Ulmus speciosa
  • †Ulospermum
    • †Ulospermum hardingae
  • †Unknown
  • †Unknown dicotyledonous
  • †Unknown monocotyledonous
  • †Ursavus
    • †Ursavus primaevus – or unidentified comparable form

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
    • †Vulpes stenognathus

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[3]
    • †Yaquinacetus meadi – type locality for species[3]
  • Yoldia
    • †Yoldia cooperii – or unidentified comparable form
    • †Yoldia impressa
    • †Yoldia oregona
    • †Yoldia seminuda
    • †Yoldia tenuissima

Z
  • Zalophus
    • A living Zalophus californianus, or California sea lion
      †Zalophus californianus
  • †Zanthopsis
    • †Zanthopsis rathbunae – type locality for species
  • Zelkova
    • †Zelkova hesperia
    • †Zelkova oregoniana
  • †Zingiberopsis
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References
  1. 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. Robert A. Martin; Richard J. Zakrzewski (2019). "On the ancestry of woodrats". Journal of Mammalogy. in press. doi:10.1093/jmammal/gyz105.
  3. 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.
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