List of the Cenozoic life of Washington

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

Chlorophytes

 * Botryococcus
 * Undescribed Late Pleistocene Manis Mastodon site subfossil
 * Pediastrum
 * Undescribed Late Pleistocene Manis Mastodon site subfossil

Diatoms



 * Actinella (diatom)
 * Actinella brasiliensis
 * Amphipleura
 * Amphipleura oregonica
 * Aulacoseira
 * †Aulacoseira distans- type locality for species
 * Aulacoseira granulata
 * Caloneis
 * Caloneis westii
 * Cavinula
 * Cavinula scutiformis
 * Coscinodiscus
 * Coscinodiscus subaulacodiscoidalis
 * Cymbella
 * Cymbella americana
 * Cymbella amphicephala
 * Cymbella flexella
 * Cymbella lunula
 * Cymbella partita
 * Cymbella sagittarius
 * Desmogonium
 * Desmogonium rabenhorstianum
 * Diatoma
 * Diatoma grande
 * Diatoma tenue var. hybrida
 * Diatoma vulgaris
 * Eunotia
 * Eunotia incisa
 * Eunotia parallela
 * Eunotia pectinalis
 * Eunotia robusta
 * Fragilaria
 * Fragilaria constricta
 * Fragilaria binalis
 * Frustulia
 * Frustulia rhomboides
 * Gomphogramma
 * Gomphogramma rupestre
 * Gomphonema
 * Gomphonema acuminatum
 * Gomphonema gracile
 * Gomphonema parvulum
 * Himantidium
 * Himantidium faba
 * Himantidium gracile
 * Himantidium minus
 * Melosira
 * Melosira biseriata
 * Melosira lyrata
 * Melosira teres
 * Melosira undulata
 * Navicula
 * Navicula americana
 * Navicula angusta
 * Navicula bacillum
 * Navicula commutata
 * †Navicula contendens - type locality for species
 * Navicula elegans
 * Navicula instabilis
 * †Navicula pauper - type locality for species
 * Navicula placentula
 * †Navicula pontifica - type locality for species
 * †Navicula protrudens - type locality for species
 * †Navicula pseudoaffinis - type locality for species
 * Navicula pseudobacillum
 * Navicula pusilla
 * Navicula radiosa
 * †Navicula reversa - type locality for species
 * Navicula stauroptera
 * Navicula subacuta
 * †Navicula substauroneis - type locality for species
 * Navicula tabellaria
 * Navicula transversa
 * Navicula viridis
 * Neidium
 * Neidium dubium
 * Neidium iridescens
 * Neidium iridis
 * Pinnularia
 * Pinnularia gibba
 * Pinnularia gracillima
 * Pinnularia major
 * Pinnularia mesotyla
 * Pinnularia nodosa
 * Pinnularia rupestris
 * Pinnularia subcapitata
 * Stauroneis
 * †Stauroneis acutissima - type locality for species
 * Stauroneis anceps
 * Stauroneis phoenicenteron
 * Surirella
 * Surirella bifrons
 * Surirella inducta
 * Surirella striatula
 * Tabellaria
 * Tabellaria fenestrata
 * Tabellaria flocculosa
 * Tetracyclus
 * Tetracyclus ellipticus
 * Tetracyclus lacustris

Foraminifera



 * Amphimorphina
 * †Amphimorphina californica
 * Amphistegina
 * undescribed Eocene Crescent Formation fossil(s)
 * Bulimina
 * Cf. †Bulimina jacksonensis
 * Cassidulina
 * Cf. †Cassidulina galvinensis
 * Chilostomella
 * Cf. †Chilostomella oolina
 * Cibicides
 * †Cibicides cushmani
 * †Cibicides midwayensis
 * Cibicidoides
 * †Cibicidoides coalingensis
 * Dentalina
 * Cf. †Dentalina consorbrina
 * Cf. †Dentalina dusenburyi
 * Cf. †Dentalina hispidocostata
 * †Dentalina longiscata
 * Eggerella
 * Cf. †Eggerella bradyi
 * Elphidium
 * Eponides
 * †Eponides mexicana
 * †Eponides yeguaensis
 * Gaudryina
 * †Gaudryina jacksonensis
 * Globigerina
 * Undescribed Late Eocene Whiskey Creek methane-seep fossil
 * 'Globobulimina
 * †Globobulimina pacifica
 * Globocassidulina
 * †Globocassidulina globosa
 * Guttulina
 * †Guttulina frankei
 * Gyroidina
 * †Gyroidina orbicularis
 * Haplophragmoides
 * Undescribed Late Eocene Whiskey Creek methane-seep fossil
 * †Involutina
 * Cf. †Involutina incertus
 * Lenticulina
 * Lenticulina rancocasensis
 * Undescribed Late Eocene Whiskey Creek methane-seep fossil
 * Undescribed Ypresian Crescent Formation fossil
 * Marginulina
 * †Marginulina subbulata
 * Martinottiella
 * †Martinottiella communis
 * Plectofrondicularia
 * Cf. †Plectofrondicularia vaughani
 * †Pseudoglandulina
 * Cf. †Pseudoglandulina inflata
 * Pyrgo (genus)
 * Cf. †Pyrgo lupheri
 * Quinqueloculina
 * †Quinqueloculina imperalis
 * †Quinqueloculina imperialis
 * Robulus
 * Cf. †Robulus texanus
 * Cf. †Quinqueloculina minuta
 * Sigmomorphina
 * †Sigmomorphina schencki
 * 'Uvigerina
 * †Uvigerina garzaensis

Bryophytes

 * †Hypnites
 * †Hypnites brittoniae - type locality for species
 * †Hypnites knowltonii - type locality for species
 * †Hypnites patens - type locality for species
 * †Polytrichites - type locality for genus
 * †Polytrichites spokanensis - type locality for species

"Ferns" (Polypodiophyta)

 * Adiantum
 * †Adiantum anastomosum - type locality for species
 * †Allantodiopsis
 * †Allantodiopsis erosa
 * †Allantodiopsis pugetensis
 * undescribed species
 * Anemia
 * †Anemia elongata
 * Asplenium
 * Cf. †Asplenium delicata
 * Athyrium
 * †Athyrium gracilium - type locality for species
 * †Azolla
 * †Azolla primaeva
 * Cheilanthes
 * Undescribed Late Pleistocene Manis Mastodon site subfossil(s)
 * Cyathea
 * †Cyathea inequilateralis (syn = Cyathea pinnata)
 * Cf. Cystopteris
 * Undescribed Ypresian Klondike Mountain Formation fossil(s)
 * Danaea
 * †Danaea borealis - type locality for species
 * Dennstaedtia
 * †Dennstaedtia christophelii - type locality for species
 * †Dennstaedtia delicata - type locality for species
 * †Dryophyllum
 * †Dryophyllum pugetensis – type locality for species
 * Dryopteris
 * †Dryopteris chuckanutensis - type locality for species
 * †Dryopteris gibbsi - type locality for species
 * †Dryopteris whatcomensis - type locality for species
 * †Equisetum
 * †Equisetum alexanderi - type locality for species
 * †Equisetum newberryi - type locality for species
 * Undescribed Klondike Mountain Formation fossils
 * Hymenophyllum
 * †Hymenophyllum axsmithii - type locality for species
 * Lygodium
 * †Lygodium kaulfussi
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * Osmunda
 * †Osmunda occidentalis - type locality for species
 * †Osmunda wehrii - type locality for species
 * Pteris
 * †Pteris whatcomensis -type locality for species
 * Salpichlaena
 * †Salpichlaena serrata
 * Salvinia
 * Cf. †Salvinia preauriculata
 * Undescribed Klondike Mountain Formation fossil

Lycophytes

 * Lycopodium
 * †Lycopodium hesperium - type locality for species
 * Undescribed Late Miocene Vasa park Flora fossil
 * Selaginella
 * Undescribed Klondike Mountain Formation fossil

Ginkgophytes

 * Ginkgo
 * †Ginkgo adiantoides
 * †Ginkgo beckii - type locality of the species
 * Ginkgo biloba
 * †Ginkgo dissecta

Gnetophytes

 * Ephedra
 * Undescribed Late Pleistocene Manis Mastodon site subfossil(s)

Cupressaceae

 * Calocedrus
 * Undescribed Ypresian Klondike Mountain Formation fossil(s)
 * Chamaecyparis
 * †Chamaecyparis linguaefolia
 * Undescribed Ypresian Klondike Mountain Formation fossil(s)
 * Cryptomeria
 * Undescribed Ypresian Klondike Mountain Formation fossil(s)
 * †Cupressinoxylon
 * Undescribed Middle Miocene Vantage fossils(s)
 * Glyptostrobus
 * †Glyptostrobus nordenskiöldii
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * Metasequoia
 * †Metasequoia occidentalis
 * Sequoia
 * †Sequoia affinis
 * Taiwania
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * Taxodium
 * †Taxodium dubium
 * †Taxodioxylon
 * †Taxodioxylon antiquum - type locality for the species
 * Tetraclinis
 * Tetraclinis salicornioides var. praedecurrens - type locality for the species
 * Thuja
 * †Thuja dimorpha
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * Thujopsis?
 * Undescribed Ypresian Klondike Mountain Formation fossil

Pinaceae

 * Abies
 * Abies milleri - type locality for the species
 * Undescribed Miocene Vantage flora petrified woods.
 * Undescribed Late Pleistocene Manis Mastodon site subfossil(s)
 * Cedrus
 * Undescribed middle Miocene Vasa Park fossil(s)
 * Keteleeria
 * †Keteleeria heterophylloides - type locality for the species
 * Picea
 * †Picea tertiarum - type locality for the species
 * Undescribed Ypresian Klondike Mountain Formation fossils
 * Pinus
 * †Pinus harneyana
 * †Pinus wheeleri
 * †Pinus latahensis
 * †Pinus macrophylla
 * †Pinus monticolensis
 * †Pinus tetrafolia
 * Pseudolarix
 * †Pseudolarix wehrii
 * Pseudotsuga
 * †Pseudotsuga pseudotsugae - type locality for the species
 * Tsuga
 * †Tsuga latahensis - type locality for the species

Sciadopityaceae

 * Sciadopitys
 * Undescribed Klondike Mountain Formation fossil

Taxaceae

 * Amentotaxus
 * undescribed Ypresian Klondike Mountain Formation fossil(s)
 * Cephalotaxus
 * †Cephalotaxus bonseri - type locality for species
 * Undescribed Ypresian Klondike Mountain Formation fossil(s)
 * Taxus
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * Undescribed Middle Miocene Vantage fossils(s)

Plants A



 * Acer
 * †"Acer" arcticum
 * †Acer beckianum - type locality for species
 * †Acer bendirei
 * †Acer berkhoffii - type locality for species (syn =Aceroxylon pennsylvanicum)
 * †Acer browni
 * †Acer chaneyi
 * †Acer hillsi - type locality for species
 * †Acer knolli - type locality for species
 * †Acer latahense - type locality for species
 * †Acer medianum
 * †Acer niklasi
 * †Acer olearyi - type locality for species
 * †Acer puratanum - type locality for species
 * †Acer republicense - type locality for species
 * †Acer spitzi - type locality for species
 * †Acer stonebergae
 * †Acer tigilense
 * †Acer toradense - type locality for species
 * †Acer washingtonense - type locality for species
 * †Acer wehri - type locality for the species
 * †Acer whitebirdense
 * Aesculus
 * †Aesculus hankinsii - type locality for species
 * Undescribed Ypresian Klondike Mountain Formation fossil(s)
 * Albizzia
 * †"Albizzia vantagiensis" - type locality for the species
 * †Allophylus
 * Cf. †Allophylus duktothensis
 * Alnus
 * †Alnus carpinoides
 * †Alnus corrallina
 * †Alnus kluckingi - type locality for species
 * †Alnus operia
 * †Alnus parvifolia - type locality for species
 * †Alnus relatus - type locality for species
 * Amelanchier
 * undescribed Ypresian Klondike Mountain Formation fossil(s)
 * †Anacardites
 * †Anacardites franklinensis – type locality for species
 * Aralia
 * undescribed Ypresian Klondike Mountain Formation fossil(s)
 * †Araliaceoxylon - type locality for genus
 * †Araliaceoxylon miocenica - type locality for the species
 * Arbutus
 * †Arbutus idahoensis - type locality for species
 * undescribed Ypresian Klondike Mountain Formation fossil(s)
 * Arceuthobium
 * Undescribed Late Pleistocene Manis Mastodon site subfossil(s)
 * Arctostaphylos
 * Arctostaphylos uva-ursi
 * Artemisia
 * Undescribed Late Pleistocene Manis Mastodon site subfossil(s)
 * †Averrhoites
 * Undescribed Ypresian Klondike Mountain Formation fossil(s)

Plants B



 * †Barghoornia - type locality for genus
 * †Barghoornia oblongifolia - type locality for species
 * Berberis
 * Undescribed Late Pleistocene Manis Mastodon site subfossil
 * Betula
 * †Betula heteromorpha
 * †Betula largei
 * †Betula leopoldae - type locality for species
 * †Betula scammonii - type locality for species
 * Cf. Betula papyrifera
 * †Bohlenia
 * †Bohlenia americana - type locality for species
 * Cf. Boniodendron
 * †"Koelreuteria" arnoldii - referred to Cf. Boniodendron without rename
 * Botrychium
 * Undescribed Late Pleistocene Manis Mastodon site subfossil
 * Cf. Bursera
 * Undescribed Eocene Puget Group fossil

Plants C



 * Caesalpinia
 * †Caesalpinia spokanensis - type locality for species (syn= Meibomites lucens)
 * †Calkinsia - type locality of genus
 * †Calkinsia franklinensis - type locality for species
 * Cf. †Calkinsia plafkeri
 * †Calycites
 * †Calycites ardtunensis
 * Calycocarpum
 * Undescribed Ypresian Klondike Mountain Formation fossil(s)
 * Camellia
 * †Camellia multiforma
 * Carex
 * Undescribed Late Pleistocene Manis Mastodon site subfossil
 * Carpinus
 * †Carpinus perryae
 * Carya
 * †Carya cashmanensis – type locality for species
 * †Carya pugetensis - type locality for species
 * †Carya washingtonensis - type locality for species
 * Undescribed Ypresian Klondike Mountain Formation fossil(s)
 * Castanea
 * †Castanea orientalis
 * †Castaneophyllum
 * Undescribed Ypresian Klondike Mountain Formation fossil(s)
 * Castanopsis
 * †Castanopsis franklinensis – type locality for species
 * †Cedrelospermum
 * Undescribed Ypresian Klondike Mountain Formation fossil(s)
 * Celastrus
 * †Celastrus spokanensis
 * Ceratophyllum
 * Ceratophyllum demersum
 * Cercidiphyllum
 * †Cercidiphyllum crenatum
 * †Cercidiphyllum obtritum
 * †Cercidiphyllum piperoides
 * Chenopodium
 * Undescribed Late Pleistocene Manis Mastodon site subfossil(s)
 * Cladrastis
 * †Cladrastis pugetensis – type locality for species
 * Clematis
 * Undescribed Ypresian Klondike Mountain Formation fossil(s)
 * Cocculus
 * Cf. †Cocculus flabella
 * Comptonia
 * †Comptonia columbiana
 * †Comptonia hesperia
 * Cornus
 * Cornus sericea (syn=Cornus stolonifera)
 * Undescribed Ypresian Klondike Mountain Formation fossil(s)
 * Corylopsis
 * †Corylopsis reedae - type locality for species
 * Corylus
 * †Corylus johnsonii
 * Craigia
 * Undescribed Ypresian Klondike Mountain Formation fossil(s)
 * Cf. Crataegus
 * Undescribed Ypresian Klondike Mountain Formation fossil(s)
 * †Cruciptera
 * †Cruciptera simsonii

Plants D

 * Decodon
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * †Deviacer
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * †Dichrostachyoxylon
 * †Dichrostachyoxylon occidentale - type locality for species
 * †Dillhoffia
 * †Dillhoffia cachensis
 * Dilodendron
 * †Dilodendron boreale - type locality for species
 * Diospyros
 * †Diospyros oregoniana
 * †Diplodipelta
 * †Diplodipelta miocenica
 * Dipteronia
 * †Dipteronia brownii

Plants E

 * Eleocharis
 * undescribed Late PLeistocene Manis Mastodon site subfossil
 * Eucommia
 * †Eucommia montana
 * Euonymus
 * †Euonymus pacificus - type locality for species
 * Exbucklandia
 * Exbucklandia oregonensis

Plants F

 * †Fagopsis
 * †Fagopsis undulata
 * Fagus
 * †Fagus langevinii
 * †Fagus manosii - type locality for species
 * †Fagus washoensis
 * †Florissantia
 * †Florissantia quilchenensis
 * Fothergilla
 * †Fothergilla malloryi - type locality for species
 * †Fraxinus
 * †Fraxinus dayana
 * †Fraxinus macropunctatum - type locality for species
 * †Fraxinus washingtoniana - type locality for species (syn Diospyros washingtoniana )
 * Cf. †Fraxinus yubaensis

Plants G

 * Galium
 * Undescribed Late Pleistocene Manis Mastodon site subfossil
 * Gaultheria
 * †Gaultheria pacifica - type locality for species
 * Gleditsioxylon
 * †Gleditsioxylon columbianum - type locality for species (syn Gleditsia columbiana )
 * Gordonia
 * †Gordonia idahoensis
 * †Goweria - type locality of genus
 * †Goweria dilleri
 * †Goweria linearis - type locality for species

Plants H

 * Halesia
 * †Halesia columbiana - type locality for species
 * †Hamamelidoxylon
 * †Hamamelidoxylon beckii - type locality for species
 * †Hamamelidoxylon suzukii - type locality for species
 * †Hamamelites
 * Cf. †Hamamelites voyana
 * Hesperomeles
 * Tentatively identified undescribed Ypresian Klondike Mountain Formation fossil
 * Hibiscus
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * Hippuris
 * Hippuris vulgaris
 * Hydrangea
 * †Hydrangea bendirei -
 * †Hydrangea knowltoni - type locality for species
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * Hypserpa
 * †Hypserpa cashmanensis - type locality for species
 * †Hypserpa franklinensis - type locality for species

Plants I

 * Ilex
 * †Ilex fulva
 * Cf. Ilex opaca
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * Itea
 * Undescribed Ypresian Klondike Mountain Formation

Plants J

 * Juglans
 * Undescribed Ypresian Klondike Mountain Formation fossil

Plants K

 * Kadsura
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * Koelreuteria
 * †Koelreuteria dilcheri

Plants L

 * †Langeranthus - type locality for genus
 * †Langeranthus dillhoffiorum - type locality for species
 * †Langeria – type locality for genus
 * †Langeria magnifica – type locality for species
 * †Laurophyllum
 * †Laurophyllum grandis
 * †Leguminosites
 * †Leguminosites bonseri
 * Lemna
 * Undescribed Late Pleistocene Manis Mastodon site subfossil
 * Cf. Leucothoe
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * Liquidambar
 * †Liquidambar changii
 * †Liquidambar pachyphyllum
 * Cf. †Liquidambar hisauchii
 * †Litseaphyllum
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * Liriodendron
 * †Liriodendron hesperia – type locality for species
 * †Litseaphyllum
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * Lysichiton?
 * †"Lysichiton washingtonense" – type locality for species

Plants M

 * Macaranga
 * †Macaranga pugetensis – type locality for species
 * †Macclintockia
 * †Macclintockia pugetensis – type locality for species
 * †Macginicarpa
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * †Macginitiea
 * Cf. †Macginitea angustilobia
 * †Macginitiea gracilis
 * Machilus
 * †Machilus americana - type locality for species
 * †Machilus asiminoides - type locality for species
 * Magnolia
 * †Magnolia dayana
 * †Magnolia latahensis - type locality of species
 * Undescribed Early Miocene Douglas Canyon Formation fossil
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * Malus
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * Meliosma
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * †Menispermites
 * Cf. †Menispermites parvareolatus
 * Mentzelia
 * †Mentzelia occidentalis - type locality for species
 * Menyanthes
 * Undescribed Late Pleistocene Manis Mastodon site subfossil
 * Morus
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * Myriophyllum
 * Myriophyllum spicatum

Plants N

 * Neviusia
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * †Nordenskioldia
 * †Nordenskioldia interglacialis
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * Nuphar
 * †Nuphar carlquistii
 * Nyssa
 * †Nyssa eydei - type locality for species
 * †Nyssa hesperia - type locality for species
 * †Nyssa magnifica - type locality for species

Plants O

 * Ocotea
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * Oemleria
 * †Oemleria janhartfordae - type locality for species
 * Orontium
 * †Orontium wolfei - type locality for species
 * Ostrya
 * †Ostrya oregoniana

Plants P



 * †Palaeocarpinus
 * †Palaeocarpinus barksdaleae
 * Undescribed Ypresian Klondike Mountain Formation fossils
 * †Palaeophytocrene
 * Undescribed Ypresian Klondike Mountain Formation fossils
 * †Paleoallium - type locality for genus
 * †Paleoallium billgenseli - type locality for species
 * Paliurus
 * †Paliurus hesperius - Type locality for species (possible syn of †Paliurus favonii or not. )
 * †Paraconcavistylon - type locality for genus
 * †Paraconcavistylon wehrii - type locality for species
 * Paulownia
 * †Paulownia columbiana - type locality for species
 * Pedicularis
 * Undescribed Late Pleistocene Manis Mastodon site subfossil
 * †Pentacentron Manchester et al., 2018
 * †Pentacentron sternhartae Manchester et al., 2018 - type locality for species
 * Persea
 * †Persea lanceolata - Type locality for species
 * †Persea pseudocarolinensis
 * Philadelphus
 * ↑Philadelphus pardeei - type locality for species
 * Undescribed Ypresian Klondike Mountain Formation fossils
 * †Phoebe
 * Undescribed Ypresian Klondike Mountain Formation fossils
 * †Photinia
 * †Photinia pageae – type locality for species
 * Aff. Physocarpus
 * Undescribed Ypresian Klondike Mountain Formation fossils - tentative record
 * Phytocrene
 * Cf. †Phytocrene acutissima
 * †Plafkeria - type locality for genus
 * †Plafkeria rentonensis - type locality for species
 * Undescribed Ypresian Klondike Mountain Formation fossils
 * Plantago
 * Undescribed Late Pleistocene Manis Mastodon site subfossil
 * †Platananthus
 * Undescribed Ypresian Klondike Mountain Formation fossils
 * Platanus
 * †Platanus americana - type locality for species
 * †Platanus dissecta
 * †Platimeliphyllum
 * †Platimeliphyllum durhamensis (syn=Fothergilla durhamensis) – type locality of species
 * Platycarya
 * Cf. †Platycarya pseudobrauni
 * Platyopuntia
 * Undescribed Late Pleistocene Manis Mastodon site subfossil
 * Polygonum
 * †Polygonum amphibium
 * Polypodium
 * †‘Polypodium’ alternatum
 * †Polytrichites -Type locality for genus
 * †Polytrichites spokanensis - Type locality for species
 * Populus
 * †Populus heteromorpha
 * †Populus lindgreni
 * †Populus washingtonensis
 * †Populus voyana
 * Undescribed Ypresian Klondike Mountain Formation fossils
 * Porana
 * †Porana microcalyx - Type locality for species
 * Potamogeton
 * Potentilla
 * Prunus
 * †Prunus barnetti - type locality for species
 * †Prunus cathybrownae
 * †Prunus rodgersae - type locality for species
 * †Pseudosalix
 * Undescribed Ypresian 'Klondike Mountain Formation fossils
 * Ptelea
 * †Ptelea miocenica - type locality for species
 * Pterocarya
 * †Pterocarya mixta - type locality for species
 * †Pterocarya pugetensis – type locality for species
 * Undescribed Ypresian Klondike Mountain Formation fossils
 * Pteroceltis
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * †Pteroheterochrosperma
 * †Pteroheterochrosperma horseflyensis
 * †Pteronepelys
 * †Pteronepelys wehrii
 * †Pugetia - type locality for genus
 * †Pugetia longifolia – type locality for species
 * Pyracantha
 * Undescribed Ypresian Klondike Mountain Formation fossils - tentative record
 * Cf. Pyrus
 * Undescribed Ypresian Klondike Mountain Formation fossils - tentative record

Plants Q

 * Quercus
 * †Quercus axelrodi – type locality for species
 * †Quercus bretzi
 * †Quercus cognatus
 * †Quercus dayana
 * †Quercus hiholensis – type locality for species
 * †Quercus leuca (syn Quercus sahnii )- type locality for species
 * †Quercus mccanni – type locality for species
 * †Quercus payettensis
 * †Quercus pseudolyrata
 * †Quercus simulata
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * Undescribed Miocene Latah Formation cupule fossils

Plants R

 * Ranunculus
 * †Republica (plant) – type locality for genus
 * †Republica hickeyi - type locality for species
 * †Republica kummerensis (syn=Dicotylophyllum kummerensis)- type locality for species
 * †Republica litseafolia
 * †Rhamnites
 * †Rhamnites cashmanensis - type locality for species
 * †Rhamnites franklinensis - type locality for species
 * Rhododendron
 * †Rhododendron knowltoni - type locality for species
 * Undescribed Ypresian Klondike Mountain Formation fossils
 * Rhus
 * †Rhus boothillensis - type locality for species
 * †Rhus garwellii - type locality for species
 * †Rhus malloryi – type locality for species
 * †Rhus republicensis - type locality for species
 * Cf. †Rhus typhina
 * †Rhysocaryoxylon
 * †Rhysocaryoxylon fryxellii - type locality for species
 * †Rhysocaryoxylon tertiarum - type locality for species
 * Ribes
 * Undescribed Ypresian Klondike Mountain Formation fossils
 * Richteroxylon - type locality for genus
 * ↑Richteroxylon micropunctatum - type locality for species
 * Robinia
 * †Robinia zirkelii
 * Cf. Rinorea
 * Rosa
 * Rubus
 * Undescribed Ypresian Klondike Mountain Formation fossils
 * Rumohra
 * †Rumohra bartonae - type locality for species

Plants S

 * Sabalites campbelli Chuckanut Burke 01.jpg]] †Sabalites''
 * †Sabalites campbelli
 * Sabia (plant)
 * Undescribed Klondike Mountain Formation fossil
 * Salix
 * Cf. †Salix heartensis
 * †Salix spokanensis - type locality for species
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * Cf. Sapindus
 * Undescribed Middle Miocene Vantage fossils(s)
 * Sarcobatus
 * Sassafras
 * Sassafras hesperia 01.jpg†[[Sassafras hesperia]] - type locality for species
 * †Schoepfia
 * †Schoepfia republicensis - type locality for species
 * Scirpus
 * Undescribed Late Pleistocene Manis Mastodon site subfossil
 * [[file:Shirleya grahamae fruit, UWBM 55134 Pigg & Wehr 2002 Plt3 fig31.png|thumb|right|upright=0.8|Miocene [[Shirleya grahamae]] fruit]] †Shirleya
 * †Shirleya grahamae
 * Sloanea
 * Undescribed Klondike Mountain Formation fossil
 * Smilax
 * †Smilax magna
 * Undescribed Klondike Mountain Formation fossil
 * Sophora
 * †Sophora spokanensis - type locality for species
 * Aff. Sorbus
 * Undescribed Klondike Mountain Formation fossil
 * Sparganium
 * Spiraea
 * Undescribed Klondike Mountain Formation fossil

Plants T

 * †Ternstroemites
 * †Ternstroemites ravenensis – type locality for species
 * Undescribed Ypresian Klondike Mountain Formation fossil "Species A"
 * Undescribed Ypresian Klondike Mountain Formation fossil "Species B"
 * Tetracentron
 * †Tetracentron hopkinsii Pigg et al., 2007
 * †Tetrapleuroxylon
 * †Tetrapleuroxylon vantagiensis - type locality for species
 * †Thalictrum
 * Undescribed Late Pleistocene Manis Mastodon site subfossil
 * Tilia
 * †Tilia johnsoni – type locality for species
 * Trochodendron
 * †Trochodendron nastae
 * Tsuga
 * Tsuga heterophylla - subfossil
 * †Tsuga latahensis – type locality for species
 * Tsuga mertensiana - subfossil
 * Undescribed Ypresian Klondike Mountain Formation fossil
 * †Tsukada – type locality for genus
 * †Tsukada davidiifolia – type locality for species
 * Typha
 * Typha latifolia
 * Undescribed Ypresian Klondike Mountain Formation fossil

Plants U

 * Ulmus
 * †Ulmus baileyana - type locality for species
 * †Ulmus chuchuanus
 * †Ulmus miocenica - type locality for species
 * †Ulmus okanaganensis
 * †Ulmus oregoniana
 * †Ulmus pacifica - type locality for species
 * †Ulmus paucidentata
 * †Ulmus speciosa
 * Utricularia
 * Undescribed Late Pleistocene Manis Mastodon site subfossil

Plants V

 * Viburnum
 * †Viburnum pugetensis – type locality for species
 * †Vinea (genus) - type locality for genus
 * †Vinea pugetensis – type locality of species
 * Vitis
 * Undescribed Eocene Puget Group fossil
 * Undescribed Ypresian Klondike Mountain Formation fossil

Plants W

 * †Wessiea
 * †Wessiea yakimaensis
 * Woodwardia
 * †Woodwardia aurora - type locality for species
 * †Woodwardia clarus - type locality for species
 * Woodwardia virginica

Plants Z

 * Zannichellia
 * Zannichellia palustris
 * Zelkova
 * Undescribed Eocene Puget Group fossil
 * †Zingiberopsis
 * Cf. †Zingiberopsis isonervosa
 * †Zizyphoides
 * Undescribed Ypresian Klondike Mountain Formation fossils

Poriferans

 * Aphrocallistes
 * Cf. †Aphrocallistes polytretos
 * Eurete
 * †Eurete? goederti
 * Farrea
 * Tentatively reported undescribed Oligocene Lincoln Creek Formation fossil
 * Hexactinella
 * †Hexactinella conica – type locality for species
 * †Hexactinella tubula – type locality for species
 * Hyperbaena
 * †Hyperbaena dilleri

Annelids

 * †Helminthopsis
 * Cf. †Helminthopsis abeli
 * Cf. Protula
 * undescribed middle Eocene Puget Group Tukwila Formation fossil(s)
 * †Rotularia
 * †Rotularia tejonense
 * Osedax
 * undescribed Rupelian Makah Formation fossil(s)
 * undescribed Rupelian-Chattian Pysht Formation fossil(s)
 * undescribed Chattian Lincoln Creek Formation fossil(s)
 * †Skolithos
 * Indeterminate Chuckanut Formation Skolithos type burrows

Nematoids

 * †Mermia
 * Cf. †Mermia carickensis

Cnidarians A-C

 * Astrangia
 * †Astrangia clarki – type locality for species
 * Astreopora
 * †Astreopora duwamishensis – type locality for species
 * †Astreopora sanjuanensis – type locality for species
 * Balanophyllia
 * †Balanophyllia blakelyensis
 * †Balanophyllia cowlitzensis – type locality for species
 * †Balanophyllia fulleri – type locality for species
 * †Balanophyllia teglandae – type locality for species
 * †Balanophyllia variabilis
 * †Balanophyllia washingtonensis – type locality for species
 * Caryophyllia2610.jpg [[Caryophyllia]]
 * †Caryophyllia blakeleyensis – type locality for species
 * †Caryophyllia woodmanensis – type locality for species
 * †Caryophyllia wynoocheensis – type locality for species
 * Coenocyathus
 * †Coenocyathus hannibali – type locality for species
 * Colpophyllia
 * †Colpophyllia reagani – type locality for species

Cnidarians D-I

 * Deltocyathus
 * †Deltocyathus insperatus – type locality for species
 * DendrophylliacribrosaJI1.jpg [[Dendrophyllia]]
 * †Dendrophyllia cowlitzensis – type locality for species
 * †Dendrophyllia hannibali – type locality for species
 * †Dendrophyllia tejonensis
 * †Dimorphastrea
 * †Dimorphastrea vaughani – type locality for species
 * †Discotrochus
 * Undescribed Eocene Puget Group Tukwila Formation fossil(s)
 * Eusmilia fastigiata large.jpg [[Eusmilia]]
 * †Eusmilia bainbridgensis – type locality for species
 * Flabellum
 * †Flabellum californicum
 * †Flabellum clarki
 * †Flabellum hertleini – type locality for species
 * "Graphularia"
 * Aff. Graphularia sasai
 * Indeterminate Late Eocene to Oligocene Pysht & Lincoln Creek Formation fossils
 * Isidella
 * Indeterminate late Oligocene Pysht Formation fossils

Cnidarians L-R

 * Lepidisis
 * Indeterminate late Oligocene Pysht Formation fossils
 * Leptastrea
 * †Leptastrea hertleini
 * Madracis
 * †Madracis crescentensis – type locality for species
 * †Madracis stewarti – type locality for species
 * Montipora
 * †Montipora schencki – type locality for species
 * Paracyathus
 * Petrophyllia
 * †Petrophyllia clarki
 * †Petrophyllia weaveri – type locality for species
 * Radicipes?
 * Indeterminate late Oligocene Lincoln Creek Formation fossils

Cnidarians S-Z

 * Sclerhelia? – tentative report
 * Siderastrea
 * Cf. †Siderastrea vancouverensis
 * †Siderastrea washingtonensis – type locality for species
 * Stephanocyathus
 * †Stephanocyathus holcombensis – type locality for species
 * Stylaster
 * †Stylaster milleri – type locality for species
 * Trochocyathus
 * †Trochocyathus crooki
 * †Trochocyathus nomlandi
 * †Trochocyathus townsendensis – type locality for species
 * Tubastraea
 * †Tubastraea nomlandi – type locality for species
 * Turbinolia
 * †Turbinolia dickersoni
 * †Turbinolia quaylei – type locality for species
 * †Turbinolia weaveri – type locality for species

Echinoderms

 * Brisaster
 * undescribed middle Eocene Puget Group Tukwila Formation fossil(s)
 * Eupatagus
 * Cf. †Eupatagus carolinensis
 * Isocrinus
 * Tentatively reported undescribed early Oligocene Pysht Formation fossil
 * Schizaster

Brachiopods

 * Craniscus
 * †Craniscus edwilsoni – type locality for species
 * Gryphus
 * Undescribed Ypresian Crescent Formation fossil
 * Hemithiris
 * †Hemithiris reagani
 * Terebratulina
 * †Terebratulina unguicula
 * †Terebratulina washingtonensis (syn=Rhynchonella washingtoniana)
 * †Terebratulina weaveri

Molluscs A

 * Acharax
 * †Acharax dalli (Clark, 1925) (syn = Solemya dalli)
 * Acila
 * †Acila conradi
 * †Acila decisa
 * †Acila gettysburgensis
 * †Acila pugetensis
 * Acrilla
 * †Acrilla (Ferminoscala) aragoensis
 * †Acutostrea
 * †Acutostrea idriaensis
 * Aforia
 * †Aforia clallamensis
 * Amaea
 * †Amaea olympicensis
 * †Amaea washingtonensis
 * Amauropsis
 * †Amauropsis blakeleyensis
 * Anadara
 * †Anadara devincta
 * Cf. †Anadara lakei
 * †Anamirta
 * Cf. †Anamirta milleri – or unidentified comparable form
 * Ancistrolepis cropped.png sea snail Ancistrolepis]]Ancistrolepis
 * †Ancistrolepis rearensis
 * †'Anechinocardium
 * †Anechinocardium lorenzanum
 * Cf. †Anechinocardium weaveri
 * †Aperiploma
 * †Aperiploma bainbridgensis
 * †Archarax
 * †Archarax dalli
 * Architectonica
 * Cf. †Architectonica congnata
 * Argobuccinium tumidum.jpg [[Argobuccinum]]
 * †Argobuccinum goodspeedi
 * †Argobuccinum mathewsonii
 * †Argobuccinum washingtoniana
 * Aturia angustata Lincoln Creek formation 01.jpg Lincoln Creek Formation Oligocene, WA]] †Aturia''
 * Cf. †Aturia alabamensis – or unidentified comparable form
 * †Aturia angustata
 * †Aturia grandior – type locality for species

Molluscs B

 * Barbatia
 * †Barbatia landesi
 * Bathybembix
 * †Bathybembix columbiana
 * Batissa
 * †Batissa dubia
 * †Batissa newberryi
 * Bonellitia
 * †Bonellitia paucivaricata
 * Brachidontes
 * †Brachidontes (Brachidontes) cowlitzensis (syn=Modiolus cowlitzensis)
 * †Brachidontes dichotomus
 * †Bruclarkia
 * †Bruclarkia oregonensis
 * †Bruclarkia thor
 * †Bruclarkia yaquinana
 * Buccinum
 * †Buccinum percrassum

Molluscs C

 * Cadulus
 * †Cadulus gabbi
 * Calliostoma
 * †Calliostoma mea
 * Callithaca
 * †Callithaca tenerrima
 * †Calorebama
 * †Calorebama inornata
 * Calyptraea
 * †Calyptraea diegoana
 * †Calyptraea washingtonensis
 * Cancellaria
 * †Cancellaria birchi
 * Cf. †Cancellaria oregonensis
 * Cf. †Cancellaria siletzensis
 * Cf. †Cancellaria simplex
 * †Cancellaria wynoocheensis
 * Cantharus
 * †Cantharus cowlitzensis
 * Cardiomya? – tentative report
 * Cerithiopsis
 * †Cerithiopsis vaderensis
 * †Cerithiopsis washingtoniana
 * Chama
 * Chione
 * †Chione ensifera
 * †Chione securis
 * Chlamys
 * †Chlamys hastata
 * Chlamys islandica.jpg †[[Chlamys islandica]]
 * †Chlamys waylandi
 * †Chrysodomus
 * †Chrysodomus imperialis
 * Cidarina
 * †Cidarina antiquua – type locality for species
 * †Cimomia
 * †Cimomia hesperia – type locality for species
 * Cirsotrema
 * †Cirsotrema saundersi
 * Clavus
 * †Clavus fryei
 * Clinocardium
 * †Clinocardium meekianum
 * †Clinocardium nuttallii
 * Colus
 * †Colus sekiuensis - type locality for species
 * †Colwellia
 * †Colwellia bretzi
 * †Conchocele
 * †Conchocele bisecta
 * Conus
 * †Conus aegilops
 * †Conus cowlitzensis
 * †Conus vaderensis
 * †Conus weaveri
 * †Conus weltoni
 * Corbicula
 * †Corbicula cowlitzensis
 * Cf. †Corbicula willisi
 * Corbula
 * †Corbula dickersoni
 * †Corbula parilis
 * Costacallista
 * †Costacallista conradiana (syn=Microcallista conradiana)
 * †Cowlitzia
 * †Cowlitzia washingtonensis
 * Craspedochiton
 * †Craspedochiton eernissei
 * Crassatella
 * †Crassatella uvasana
 * †Crassatella wasana
 * †Crassatella washingtoniana (syn=Crassatellites washingtoniana)
 * Crenella – tentative report
 * Crepidula
 * †Crepidula praerupta
 * †Crepidula princeps
 * †Crepidula rostralis
 * †Crepidula ungana
 * †Cristispira
 * †Cristispira pugetensis
 * †Cryptochorda
 * †Cryptochorda californica
 * †Cryptolucina
 * †Cryptolucina megadyseides
 * Cryptomya
 * †Cryptomya californica
 * Cryptonatica
 * Cryptonatica affinis
 * Cyclammina
 * †Cylichnina
 * †Cylichnina tantilla
 * Cyclocardia
 * †Cyclocardia hannibali
 * †Cyclocardia subtenta
 * Cyclostremella
 * Cymatium
 * †Cymatium cowlitzense
 * †Cymatium washingtonianum
 * Cypraea
 * †Cypraeogemmula
 * †Cypraeogemmula warnerae

Molluscs D

 * Delectopecten
 * Undescribed Oligocene Lincoln Creek Formation fossil
 * undescribed Eocene "Unit B" Cowlitz Formation fossil
 * Dentalium
 * †Dentalium porterensis
 * †Dentalium pseudonyma
 * †Dentalium schencki
 * †Dentalium stramineum
 * †Dentimitra
 * †Dentimitra cretacea
 * Diodora
 * †Diodora stillwaterensis (syn=Fissuridea stillwaterensis)
 * Dosinia
 * †Dosinia whitleyi

Molluscs E

 * Echinophoria
 * †Echinophoria dalli
 * †Echinophoria trituberculata (syn=Galeodea trituberculata)
 * †Ectinochilus
 * †Ectinochilus (Cowlitzia) canalifer supraplicata (syn=Rimella supraplicata)
 * †Ectinochilus macilentus
 * †Ectinochilus washingtonensis
 * Emarginula
 * †Emarginula dotyhillsensis – type locality for species
 * †Eopustularia
 * †Eopustularia goedertorum – type locality for species
 * Epitonium
 * †Epitonium (Boreoscala) condoni (syn=Arctoscala condoni)
 * †Epitonium berthiaumei
 * †Epitonium clallamense
 * Cf. †Epitonium olympicensis
 * †Epitonium schencki
 * †Eratotrivia
 * †Eratotrivia crescentensis
 * Erginus
 * †Erginus vaderensis
 * Eulima
 * †Eulima clarki
 * †Eulima lewisiana
 * Eurytellina
 * †Eurytellina lorenzoensis
 * Euspira
 * †Euspira hotsoni
 * †Euspira nuciformis
 * †Eutrephoceras
 * †Eutrephoceras eyerdami – type locality for species
 * Exilia
 * †Exilia clarki
 * †Exilia dickersoni
 * †Exilia mclellani

Molluscs F

 * Falsifusus
 * †Falsifusus marysvillensis
 * †Ficopsis
 * †Ficopsis cowlitzensis
 * Cf. †Ficopsis redmondi
 * Ficus
 * †Ficus clallamensis
 * †Ficus modesta
 * †Ficus restorationensis
 * †Ficus washingtonensis
 * Fulgoraria
 * †Fulgoraria indurata
 * †Fulgoraria weaveri
 * Fulgurofusus
 * †Fulgurofusus washingtoniana
 * Fusinus
 * †Fusinus dilleri
 * †Fusinus willisi

Molluscs G

 * Galeodea rugosa 001.jpg [[Galeodea]]
 * †Galeodea apta
 * †Galeodea crescentensis
 * †Galeodea fax
 * †Galeodea petrosa
 * †Galeodea rex
 * Gari
 * Cf. †Gari (Gobraeus) hornii
 * †Gari (Psammobia) columbiana - type locality for species
 * †Gari (Psammobia) cowlitzensis - type locality for species
 * †Gari (Psammobia) olequahensis - type locality for species
 * Turridae - Gemmula rotata cropped.jpg [[Gemmula]]
 * †Gemmula abacta
 * †Gemmula barksdalei
 * †Gemmula borgenae
 * †Gemmula fasteni
 * †Gemmula pluchra
 * †Gemmula pulchra
 * Glycymeris
 * †Glycymeris fresnoensis
 * †Glycymeris sagittata
 * †Glycymeris wishkahensis
 * Gyrineum
 * †Gyrineum marshalli

Molluscs H

 * Haplocochlias
 * †Haplocochlias montis
 * Hiatella
 * Hiatella arctica
 * Hipponix
 * †Hipponix amoldi
 * Homalopoma
 * †Homalopoma hieroglyphica
 * †Homalopoma umpquaensis
 * †Humptulipsia - type locality for genus
 * †Humptulipsia raui - type locality for species

Molluscs I

 * Idas
 * Idas olympicus - type locality of species
 * Ischnochiton
 * †Ischnochiton goederti
 * Isognomon
 * †Isognomon (Isognomon) clarki

Molluscs K

 * Katherinella
 * †Katherinella angustiformis
 * †Katherinella angustifrons
 * †Katherinella arnoldi
 * †Katherinella augustifrons
 * Kellia
 * †Kellia twinensis
 * †Kummelonautilus
 * Cf. †Kummelonautilus cookanus

Molluscs L

 * Lamelliconcha
 * †Lamelliconcha eocenica
 * Laevidentalium
 * undescribed middle Eocene Puget Group Tukwila Formation fossil(s)
 * Lepidochitona
 * †Lepidochitona lioplax
 * †Lepidochitona squiresi
 * †Lepidochitona washingtonensis
 * Lepidopleurus
 * †Lepidopleurus propecajetanus
 * Leptochiton
 * †Leptochiton alveolus
 * †Leptogyra
 * ††Leptogyra squiresi – type locality for species
 * Leukoma
 * Leukoma staminea
 * Liotia
 * †Liotia washingtoniana – type locality for species
 * †Litorhadia
 * †Litorhadia washingtonensis (syn=Leda washingtonensis, Nuculana washingtonensis)
 * Lucinoma
 * †Lucinoma acutilineata
 * †Lucinoma annulatum
 * Cf. †Lucinoma columbiana
 * †Lucinoma hannibali
 * Lyria
 * †Lyria andersoni

Molluscs M

 * Macoma
 * †Macoma albaria
 * †Macoma astori
 * †Macoma calcarea
 * †Macoma inquinata
 * Macoma nasuta
 * Cf. †Macoma secta
 * †Macoma snohomishensis
 * †Macoma sookensis
 * †Macoma twinensis
 * Macrocallista
 * †Macrocallista cathcartensis
 * Mactromeris
 * †Mactromeris albaria
 * †Mactromeris pittsburgensis
 * Marcia
 * †Marcia oregonensis
 * Margarites
 * †Margarites (Margarites) chappelli
 * †Margarites (Margarites) serceus
 * †Margarites (Pupillaria) columbiana
 * Marginella
 * †Marginella shepardae
 * †Megistostoma
 * †Megistostoma gabbiana
 * Mitra
 * Mitra washingtoniana hypotype cropped.jpg Mitra washingtoniana]] †Mitra washingtoniana
 * Modiolus
 * Cf. †Modiolus restorationensis
 * †Modiolus willapaensis
 * †Molopophorus
 * Cf. †Molopophorus newcombei
 * Murex
 * †Murex cowlitzensis
 * †Murex sopenahensis
 * †Mya
 * †Mya arenaria
 * †Mya truncata
 * Mytilus
 * †Mytilus dichotomus
 * Mytilus edulis
 * †Mytilus sammamishensis
 * †Mytilus snohomishensis
 * †Mytilus stillaguamishensis
 * Cf. †Mytilus tichanovitchi

Molluscs N

 * Nassa
 * †Nassa eocenica (syn=Latirus eocenica)
 * Nassarius
 * †Nassarius mednica
 * Natica crassa 01.JPG [[Natica]]
 * Cf. †Natica clarki
 * †Natica oligocenica
 * †Natica teglandae
 * †Natica vokesi
 * †Natica weaveri
 * †Nayadina
 * †Nayadina batequensis
 * †Nekewis
 * †Nekewis washingtoniana
 * Nemocardium
 * †Nemocardium lincolnensis
 * †Nemocardium linteum
 * Neptunea
 * †Neptunea landesi
 * †Neptunea lincolnensis
 * †Neptunea teglandae
 * Nerita
 * †Nerita triangulata
 * Neverita
 * †Neverita globosa
 * †Neverita jamesae
 * †Neverita reclusiana
 * †Nitidavenus
 * Cf. †Nitidavenus conradi
 * Nucella
 * †Nucella decemcostata
 * Nucella lamellosa 003.jpg [[Nucella lamellosa]]
 * †Nucleolaria
 * †Nucleolaria cowlitziana – type locality for species
 * Nucula
 * †Nucula hannibali
 * Nuculana
 * †Nuculana aikiensis
 * †Nuculana alkiensis
 * †Nuculana calkinsi
 * †Nuculana chehalisensis
 * †Nuculana cowlitzensis (syn=Leda cowlitzensis)
 * Cf. †Nuculana elmana
 * †Nuculana grasslei
 * †Nuculana posterolaevia – type locality for species
 * †Nuculana vaderensis
 * †Nuculana washingtoni

Molluscs O

 * Odostomia
 * Cf. †Odostomia winlockiana
 * †Olequahia
 * †Olequahia washingtoniana
 * Olivella
 * †Olivella mathewsonii
 * Opalia
 * †Opalia bravinderi
 * Ophiodermella
 * †Ophiodermella olympicensis
 * Ostrea
 * Ostrea lurida

Molluscs P

 * †Pachycrommium
 * †Pachycrommium clarki
 * †Pachycrommium hendoni
 * Pandora
 * †Pandora vanwinkleae
 * †Pandora washingtonensis
 * Panopea
 * †Panopea abrupta
 * †Panopea ramonensis
 * Parvamussium
 * †Parvamussium stanfordense
 * Patelloida
 * †Patelloida tejonensis
 * †Patelloida vancouverensis
 * Patinopecten
 * †Patinopecten dilleri
 * Pecten
 * †Pecten clallamensis
 * †Perse? – tentative report
 * Persicula
 * Pitar
 * †Pitar avenalensis
 * †Pitar californiana
 * †Pitar (Lammelliconcha) eocenica
 * †Pitar quadratus
 * Cf. †Pitar soledadensis
 * †Pitar wasana
 * Plagiocardium
 * †Plagiocardium breweri
 * Pleurofusia
 * †Pleurofusia cowlitzensis (syn=Turricula cowlitzensis)
 * Polinices
 * †Polinices gesteri
 * †Polinices hornii
 * †Polinices lewisii
 * †Polinices rectus
 * †Polinices victorianus
 * †Polinices washingtonensis
 * Poromya
 * †Poromya teglandae
 * Portlandia
 * †Portlandia chehalisensis - type locality for the species (synonym=Yoldia chehalisensis)
 * †Portlandia packardi
 * †Potamides
 * †Potamides lewisiana
 * †Potamides packardi
 * †Priscofusus
 * †Priscofusus chehalisensis
 * Cf. †Priscofusus geniculus
 * †Priscofusus goweri
 * †Priscofusus sanctaecrucis
 * †Priscofusus slipensis
 * †Priscofusus stewarti
 * †Provanna
 * †Provanna antiqua
 * Psammacoma
 * †Psammacoma arctata
 * Pseudocardium
 * †Pseudocardium packardi (syn=Spisula packardi)
 * Pseudoliva
 * †Pseudoliva lineata
 * Pteria
 * †Pteria clarki
 * Cf. †Pteria pellucida
 * Purpura
 * †Purpura lurida
 * Pyramidella
 * †Pyramidella vaderensis

Molluscs R

 * Rectiplanes? – tentative report
 * Retusa
 * †Retusa tantilla
 * Rimella
 * †Rimella elongata

Molluscs S

 * Saxidomus
 * †Saxidomus giganteus
 * Scalina
 * †Scalina lincolnensis
 * Scaphander
 * †Scaphander (Mirascapha) costata
 * †Scaphander washingtonensis
 * †Schedocardia
 * †Schedocardia brewerii (syn=Acanthocardia brewerii)
 * Semicassis
 * †Semicassis pyshtensis
 * Septifer
 * †Septifer dichotomus
 * Serripes
 * †Serripes groenlandicus
 * Sinum
 * †Sinum obliquum
 * Cf. †Sinum occidentalis
 * †Sinum scopulosum
 * Buccinidae - Siphonalia pfefferi.JPG [[Siphonalia]]
 * †Siphonalia bicarinata
 * †Siphonalia sopenahensis
 * Solamen
 * †Solamen snavelyi
 * Solariella
 * †Solariella (Solariella) olequahensis
 * †Solariella cicca
 * †Solariella garrardensis
 * †Solariella kincaidi
 * Solen
 * †Solen columbianus
 * †Solen sicarius
 * Solena
 * †Solena clarki
 * †Solena columbina
 * †Solena conradi
 * Cf. †Solena parallelus
 * †Spirocrypta
 * †Spirocrypta pileum
 * Spirotropis
 * †Spirotropis kincaidi
 * Spisula aequilatera (triangle shell).JPG[[Spisula]]
 * Cf. †Spisula hannibali
 * †Spisula sookensis
 * †Spisula twinensis
 * Spondylus
 * †Spondylus carlosensis
 * Stenoplax
 * †Stenoplax quimperensis
 * †Sulcobuccinum
 * †Sulcobuccinum dilleri
 * †Sulcocypraea
 * †Sulcocypraea mathewsonii
 * Surculites
 * †Surculites mathewsoni
 * †Surculites wynoocheensis? – tentative report
 * Sveltella
 * †Sveltella keaseyensis? – tentative report

Molluscs T

 * †Tejonia
 * †Tejonia moragai
 * Tellina
 * †Tellina cowlitzensis
 * †Tellina emacerata
 * †Tellina soledadensis
 * Tenagodus
 * †Tenagodus bajaensis
 * Teredo
 * Undescribed Cowlitz and Crescent Formation fossils
 * Thais
 * †Thais lamellosa
 * Thracia
 * †Thracia dilleri
 * †Thracia schencki
 * †Thracia trapezoides
 * Thyasira
 * †Thyasira folgeri
 * †Thyasira hannibali
 * †Thyasira peruviana? – tentative report
 * †Thyasira xylodia - type locality for species
 * Tivela
 * †Tivela (Pachydesma) aragoensis
 * †Tivelina
 * †Tivelina vaderensis - type locality for species
 * Tresus
 * †Tresus capax
 * †Tresus nuttallii
 * Trochita
 * Unidentified Oligocene Clallam Formation fossils
 * Tudicla
 * †Tudicla blakei
 * †Tudicla trophonoides
 * Turcica
 * †Turcica caffea
 * Turricula
 * †Turricula ornata
 * †Turricula washingtonensis
 * Turris
 * †Turris perversa
 * †Turris pulchra (syn=Hemipleurotoma pulchra)
 * Turritellatricarinata.jpg [[Turritella]]
 * †Turritella andersoni
 * †Turritella blakeleyensis
 * Cf. †Turritella buwaldana
 * †Turritella oregonensis
 * †Turritella porterensis
 * †Turritella uvasana
 * Cf. †Turritella vaderensis
 * †Turritella wasana

Molluscs U

 * Urosalpinx
 * †Urosalpinx hannibali

Molluscs V

 * Venericardia
 * †Venericardia castor
 * †Venericardia hannai
 * †Venericardia hornii
 * Cf. †Venericardia weaveri
 * †Venericardia (Pacificor) clarki
 * †Vertipecten
 * †Vertipecten fucanus
 * Vesicomya
 * †Vesicomya chinookensis
 * Volsella (mollusc)
 * †Volsella restorationensis
 * †Volsella trinominata

Molluscs W

 * †Whitneyella
 * †Whitneyella gabbi
 * †Whitneyella markleyensis
 * †Whitneyella sinuata
 * †Whitneyella washingtoniana

Molluscs X

 * Xenoturris
 * †Xenoturris antiselli
 * †Xylodiscula
 * †Xylodiscula okutanii - type locality for species
 * †Xylodiscula vitrea - type locality for species

Molluscs Y

 * Yoldia
 * †Yoldia astoriana
 * †Yoldia blakeleyensis - type locality for species
 * †Yoldia clallamensis – type locality for species
 * †Yoldia duprei - type locality for species
 * †Yoldia newcombi
 * †Yoldia olympiana
 * †Yoldia reagani
 * †Yoldia sammamishensis - type locality for the species
 * †Yoldia temblorensis
 * Cf. †Yoldia supramontereyensis - related form

Arthropods A

 * Acidota
 * Acidota crenata
 * Aclypea
 * Aclypea bituberosa
 * Acrulia
 * †Acrulia tumidula
 * Actium
 * Undescribed Klaloch site subfossil(s)
 * †Adamsochrysa
 * †Adamsochrysa wilsoni – type locality for species
 * Aegialia arenaria.jpg [[Aegialia]]
 * Aegialia cylindrica
 * Aegialia lacustris
 * Agabus
 * Undescribed Olympia beds Formation subfossil(s)
 * Agathidium
 * Undescribed Klaloch site subfossil(s)
 * Agonum
 * Agonum cupreum
 * Agonum ferruginosum
 * Ainigmapsychops inexspectatus SRUI 99-96-76.jpg Ainigmapsychops]] †Ainigmapsychops – type locality for genus
 * †Ainigmapsychops inexspectatus – type locality for species
 * Allorapisma chuorum Holotype SR 08-14-01.jpg Allorapisma]] †Allorapisma – type locality for genus
 * †Allorapisma chuorum – type locality for species
 * Alniphagus
 * Alniphagus aspericollis
 * Altica
 * Cf. †Altica lazulina
 * Amara
 * Cf. Amara conflata
 * Anthrax
 * †Anthrax dentoni – type locality for species
 * †Antiquiala
 * †Antiquiala snyderae
 * Aphodius
 * Undescribed Klaloch site subfossil(s)
 * Apion
 * Undescribed Klaloch site subfossil(s)
 * †Aporolepas
 * undescribed Ypresian-Bartionian Crescent Formation fossil(s)
 * Aphrophora
 * undescribed Ypresian Klondike Mountain Formation fossil(s)
 * Arcoscalpellum
 * †Arcoscalpellum knapptonensis – type locality for species
 * †Arcoscalpellum raricostatum
 * Arpedium
 * Arpedium cribratum
 * Artochia
 * †Artochia productifrons
 * Asiorestia
 * Asiorestia pallida
 * Atomaria
 * Undescribed Olympia beds Formation subfossil(s)
 * Auleutes
 * Cf. Auleutes epilobii

Arthropods B

 * Balanus
 * Balanus crenatus 2329.jpg [[Balanus crenatus]]
 * Bembidion quadrimaculatum upside.jpg [[Bembidion]]
 * Bembidion bimaculatum
 * Bembidion fortestriatum
 * Bembidion haruspex
 * Bembidion inaequale
 * Bembidion nigripes
 * Bembidion planiusculum
 * Bembidion rusticum
 * Bibio
 * Undescribed Miocene Latah Formation fossil(s)
 * Bledius
 * Undescribed Klaloch site subfossils
 * Undescribed Olympia beds Formation subfossil
 * †Bombus
 * †Bombus proavus – type locality for species
 * Byrrhus
 * Undescribed Olympia beds Formation subfossil

Arthropods C

 * Calathus
 * Calathus ruficollis
 * Caligodorus
 * Caligodorus opacus
 * Callianassa
 * †Callianassa knapptonensis
 * †Callianassa oregonensis
 * †Callianassa twinensis
 * Cf. †Callianassa porterensis
 * undescribed Oligocene Makah Formation fossil
 * undescribed Oligocene Pysht Formation fossil
 * Callianopsis clallamensis female 01b.jpg Callianopsis clallamensis]] Callianopsis
 * †Callianopsis clallamensis - type locality for species
 * Calosoma
 * †Calosoma fernquisti – type locality for species
 * Cancer
 * †Cancer bainbridgensis
 * Carabus
 * Carabus taedatus
 * Catops
 * Cercyon
 * Cf. †Cercyon luniger
 * Chlaenius
 * Chlaenius interruptus
 * Cicindela
 * Cicindela oregona
 * †Cimbrophlebia
 * Cimbrophlebia brooksi Holotype SR 06-20-05 A.jpg Cimbrophlebia brooksi]] †Cimbrophlebia brooksi – type locality for species
 * †Cimbrophlebia westae – type locality for species
 * Cleptelmis
 * †Cleptelmis ornata
 * †Coeloma
 * Coeloma martinezensis? - tentative report
 * Colymbetes
 * Corixa
 * Corticaria
 * Cossonus
 * Cryptophagus
 * Curimopsis
 * Curimopsis albonotata
 * Cymbiodyta
 * Cytilus
 * Cytilus alternatus
 * Cytilus mimicus

Arthropods D

 * Dascillus
 * †Dascillus latahensis – type locality for species
 * Dendroctonus
 * Dendroctonus rufipennis
 * Dianous
 * †Dianous nitidulus
 * Diapterna
 * Diapterna hamata
 * Dinokanaga andersoni holotype SR 01-06-01 v2.jpg Klondike Mountain Formation Ypresian, Republic]] †Dinokanaga''
 * †Dinokanaga andersoni – type locality for species
 * †Dinokanaga dowsonae
 * †Dinokanaga sternbergi – type locality for species
 * †Dysagrion
 * Dysagrion pruettae holotype SRIC SR 13-005-012 A.tif †[[Dysagrion pruettae]] - type locality for species
 * †Dysagrionites
 * †Dysagrionites delinei - type locality for species
 * Dyschirius (syn=Dyschiriodes)
 * Dyschirius laevifasciatus
 * Dyschirius montanus
 * Undescribed Olympia beds Formation subfossil
 * Dytiscus
 * †Dytiscus latahensis – type locality for species

Arthropods E

 * Elaphrus.riparius.-.lindsey.jpg [[Elaphrus]]
 * †Elaphrus americanus
 * †Elaphrus californicus
 * †Elaphrus clairvillei
 * †Elaphrus purpurans
 * †Eoceneithycerus - type locality for genus
 * †Eoceneithycerus carpenteri - type locality for species
 * †Eoprephasma – type locality for genus
 * †Eoprephasma hichensi – type locality for species
 * Eorpa elverumi SRUI 08-07-07 A Holotype.JPG Eorpa elverumi]]†Eorpa
 * †Eorpa elverumi – type locality for species
 * †Eorpa ypsipeda? – tentative report
 * †Eosphecium
 * Undescribed Ypresian klondike Mountain Formation fossils
 * †Eourocerus - Type locality for genus
 * †Eourocerus anguliterreus - type locality for species
 * Epophthalmia
 * †Epophthalmia biordinata – type locality for species

Arthropods F

 * †Folindusia
 * †Folindusia miocenica – type locality for species
 * Foveoscapha
 * Undescribed Klaloch site subfossils

Arthropods G

 * Galeruca
 * Galeruca rudis
 * Gastrophysa
 * Gastrophysa cyanea
 * Geodromicus
 * Undescribed Olympia beds Formation subfossils
 * Georissus
 * Undescribed Olympia beds Formation subfossils
 * Gerris
 * Undescribed Olympia beds Formation subfossils
 * †Glyphithyreus
 * †Glyphithyreus weaveri
 * Gymnusa
 * Undescribed Klaloch site subfossils
 * Gyrinus
 * Undescribed Olympia beds Formation subfossils

Arthropods H

 * Hapalaraea
 * Undescribed Klaloch site subfossils
 * Helophorus
 * Helophorus lacustris
 * Cf. Helophorus oregonensis
 * Hesperibalanus
 * †Hesperibalanus cornwalli – type locality for species
 * Cf. †Hesperibalanus sookensis
 * Heterlimnius
 * Heterlimnius koebelei
 * Heterosilpha
 * Heterosilpha ramosa
 * Hydrobius
 * Hydrobius fuscipes
 * Hydrothassa
 * †Hydrothassa vittata
 * Hygrotus
 * Undescribed Olympia beds Formation subfossils
 * Hylurgops
 * †Hylurgops rugipennis
 * Hymenarcys
 * †Hymenarcys cridlandi – type locality for species

Arthropods I

 * †Idemlinea- Type locality for genus
 * †Idemlinea versatilis - Type locality for species
 * Ilybius
 * Ilybius quadrimaculatus
 * Ischnosoma
 * Ischnosoma pictum
 * Isochnus
 * Isochnus rufipes
 * †Ithyceroides – type locality for genus
 * †Ithyceroides klondikensis – type locality for species

Arthropods K

 * Kalissus
 * Kalissus nitidus
 * †Klondikia – type locality for genus
 * †Klondikia whiteae – type locality for species

Arthropods L

 * Laccobius
 * Cf. Laccobius ellipticus
 * Lanternarius
 * Lanternarius parrotus
 * Lapsus
 * Lapsus tristis
 * †Latahcoris – type locality for genus
 * †Latahcoris spectatus – type locality for species
 * Leiodes
 * Undescribed Olympia beds Formation subfossil(s)
 * Lepidophorus
 * Lepidophorus alternatus
 * †Leptostigma
 * †Leptostigma alaemacula – type locality for species
 * †Leptostigma brevilatum?
 * Cf. Lepyrus
 * Undescribed Olympia beds Formation subfossil.
 * Lioligus
 * Lioligus nitidus
 * Lioon
 * Lioon simplicipes
 * Liothorax
 * Liothorax alternatus
 * Lophomastix
 * †Lophomastix altoonaensis
 * †Lophomastix antiqua
 * †Lophomastix boykoi
 * †Lophomastix kellyi
 * Loricera
 * Loricera decempunctata

Arthropods M

 * Magdalis
 * †Megaraphidia
 * †Megaraphidia klondika - type locality for species
 * Megarthrus
 * †Megokkos
 * †Megokkos alaskensis
 * †Megokkos feldmanni
 * †Megokkos macrospinus
 * Melanoides
 * †Melanoides fettkei
 * †Metacarcinus
 * †Metacarcinus starri
 * †Metanephrocerus
 * †Metanephrocerus belgardeae – type locality for species
 * Microedus
 * Microlestes
 * Micropeplus
 * †Micropeplus cribratus
 * †Micropeplus laticollis
 * †Micropeplus nelsoni
 * †Micropeplus punctatus
 * †Miocordulia – type locality for genus
 * †Miocordulia latipennis – type locality for species
 * †Miopsyche – type locality for genus
 * †Miopsyche alexanderi – type locality for species
 * †Miopsyche martynovi – type locality for species
 * Morychus
 * †Morychus oblongus
 * Munida
 * †Munida branti - type locality for species
 * †Munida witteae - type locality for species
 * †Mursia
 * †Mursia marcusana
 * Mycetoporus
 * †Mycetoporus punctatissimus
 * †Myrmeciites
 * Unidentified Ypresian Klondike Mountain Formation fossils

Arthropods N

 * Nebria
 * †Nebria metallica
 * †Nebria sahlbergi
 * †Neoephemera
 * †Neoephemera antiqua – type locality for species
 * Nitidotachinus
 * Cf. †Nitidotachinus tachyporoides
 * Notaris
 * †Notaris aethiops
 * †Notaris puncticollis
 * Notiophilus
 * †Notiophilus aquaticus
 * †Notiophilus simulator
 * †Notiophilus sylvaticus
 * Nymphes georgei SR 09-07-08.jpg Nymphes georgei]] Nymphes
 * †Nymphes georgei – type locality for species

Arthropods O

 * Ochthebius
 * †Ochthebius discretus
 * Cf. †Ochthebius holmbergi
 * Ocypus
 * †Oecophylla
 * †Oecophylla kraussei – type locality for species
 * †Okanagrion - type locality for genus
 * †Okanagrion dorrellae - type locality for species
 * †Okanagrion hobani
 * †Okanagrion liquetoalatum - type locality for species
 * †Okanagrion threadgillae - type locality for species
 * †Okanagrion worleyae - type locality for species
 * †Okanopteryx
 * †Okanopteryx jeppesenorum - type locality for species
 * Olophrum
 * †Olophrum boreale
 * †Olophrum consimile
 * Opisthius
 * †Opisthius richardsoni
 * †Orbitoplax
 * †Orbitoplax plafkeri
 * †Orbitoplax tuckerae
 * Orchestes
 * †Orchestes pallicornis
 * †Oregonina
 * †Oregonina leucosiae
 * Cf. Oreodytes
 * Orobanus
 * Oropus
 * †Osmylidia
 * †Osmylidia glastrai - type locality for species
 * Oxytelus
 * Oxytelus laqueatus
 * Oxytelus niger

Arthropods P

 * Paguristes
 * †Paguristes hokoensis
 * †Palaeopsychops
 * Palaeopsychops marringerae Holotype SR 97-08-05 v2.jpg Palaeopsychops marringerae wing with color-patterning]] †Palaeopsychops marringerae – type locality for species
 * †Palaeopsychops timmi – type locality for species
 * †Palecphora
 * Undescribed Ypresian Klondike Mountain Formation fossils
 * Pardalosus
 * †Pardalosus pardalis
 * Patrobus
 * †Patrobus fossifrons
 * †Patrobus stygicus
 * Pelecomalium
 * †Pelecomalium testaceum
 * Pelenomus
 * †Pelenomus squamosus
 * Pelophila
 * †Pelophila borealis
 * Periope
 * †Periope ivesi – type locality for species
 * †Petrolystra
 * Undescribed Ypresian Klondike Mountain Formation fossils
 * Phaedon
 * Phaedon armoraciae (Linné, 1758).jpg [[Phaedon armoraciae]]
 * †Phaedon oviforme
 * †Phaedon prasinellus
 * Phlaeopterus
 * Phloeosinus
 * Cf. †Phloeosinus keeni
 * Phloeotribus
 * †Phloeotribus lecontei
 * Phryganea
 * †Phryganea spokanensis – type locality for species
 * Pityophthorus
 * †Pityophthorus digestus – or unidentified comparable form
 * †Pityophthorus nitidulus
 * Planolinoides
 * †Planolinoides pectoralis
 * Plateumaris
 * †Plateumaris dubia
 * †Plateumaris germari
 * †Plateumaris neomexicana
 * †Plateumaris nitida
 * Platystethus
 * †Platystethus americanus
 * †Polystoechotites
 * Polystoechotites barksdalae holotype part SR 97-03-09 A.jpg Polystoechotites barksdalae]] †Polystoechotites barksdalae - type locality for species
 * †Polystoechotites falcatus - type locality for species
 * †Polystoechotites lewisi - type locality for species
 * †Proneuronema
 * †Proneuronema wehri - type locality for species
 * †Propalosoma – type locality for genus
 * [[file:Propalosoma gutierrezae SR 93-08-04 img1.jpg|thumb|right|upright=0.8|Propalosoma gutierrezae holotype queen Ypresian Klondike Mountain Formation Republic]] †[[Propalosoma gutierrezae]] - type locality for species
 * Proteinus
 * Pselaptrichus
 * Pseudips
 * Pseudips concinnus (syn=Ips concinnus)
 * Pseudohylesinus
 * †Pseudohylesinus nebulosus
 * Cf. †Pseudohylesinus sericeus
 * Pseudopsis
 * Aff. †Pseudopsis sulcata
 * Pterostichus
 * †Pterostichus adstrictus
 * †Pterostichus castaneus
 * †Pterostichus fernquisti – type locality for species
 * †Pterostichus pumilus
 * †Pterostichus riparius
 * Pteryngium
 * †Pteryngium crenatum
 * Pycnoglypta
 * †Pycnoglypta campbelli

Arthropods Q

 * Quedius
 * Undescribed Olympia beds Formation subfossils

Arthropods R

 * Ranina
 * †Ranina americana
 * Raninoides
 * Reichenbachia
 * †Republica - type locality for genus
 * †Republica weatbrooki - type locality for species
 * †Republicopteron - type locality for genus
 * †Republicopteron douseae - type locality for species
 * Rhantus
 * †Rhizocorallium
 * †Rhizocorallium jenense
 * Indeterminate Chuckanut Formation Rhizocorallium insect burrow
 * Rhyncolus
 * †Rhyncolus brunneus

Arthropods S

 * Saldula
 * Scaphinotus
 * †Scaphinotus marginatus
 * Sitona
 * Sonoma
 * †Stenodiafanus - type locality for genus
 * †Stenodiafanus westersidei - type locality for species
 * Stenus
 * Stephostethus
 * Steremnius
 * †Steremnius carinatus
 * †Steremnius tuberosus
 * Sthereus
 * †Sthereus multituberculatus
 * †Sthereus quadrituberculatus
 * Syntomium
 * Cf. †Syntomium malkini
 * Syntomus
 * †Syntomus americanus

Arthropods T

 * Tachinus
 * Tachinus angustatus
 * Tachinus crotchii
 * Tachinus frigidus
 * Cf. Tachinus instabilis
 * Tachinus mimus
 * Tachinus thruppi
 * †Taenidium
 * Indeterminate Cuckanut Formation Taenidium type burrows
 * Tetrascapha
 * Undescribed Klaloch site subfossils
 * Thanatophilus
 * Thanatophilus lapponicus
 * Thanatophilus sagax
 * Tipula
 * †Tipula latahensis – type locality for species
 * Tournotaris
 * Cf. Tournotaris bimaculatus
 * Cf. Trechiama
 * Undescribed Klaloch site subfossil similar to Trechiama
 * Trechus
 * Trechus (Trechus) chalybeus
 * Trechus (Trechus) oregonensis
 * Cf. Trechus ovipennis
 * Trichalophus
 * Trichalophus didymus
 * Trichopeltarion
 * †Trichopeltarion berglundorum
 * Trypophloeus
 * †Trypophloeus salicis

Arthropods U

 * †Ulmeriella
 * †Ulmeriella latahensis – type locality for species
 * †Ulteramus – type locality for genus
 * †Ulteramus republicensis – type locality for species
 * Unamis
 * Undescribed Kalaloch Site Pleistocene subfossil
 * Upogebia
 * †Upogebia barti - type locality for species
 * †Upogebia eocenica - type locality for species

Arthropods W

 * †Whetwhetaksa - Type locality of the genus
 * †Whetwhetaksa millerae - Type locality of the species

Arthropods Y

 * †Ypshna
 * †Ypshna brownleei - Type locality of the species

Arthropods Z

 * †Zanthopsis
 * †Zanthopsis vulgaris

"Fish"



 * Acipenser
 * Acipenser transmontanus
 * Acrocheilus
 * †Acrocheilus latus
 * Ameiurus
 * †Ameiurus reticulatus – type locality for species
 * Archoplites
 * †Archoplites molarus – type locality for species
 * †Aglyptorhynchus
 * †Aglyptorhynchus columbianus – type locality for species
 * Amia
 * †"Amia" hesperia
 * †Amyzon
 * †Amyzon aggregatum
 * Catostomus
 * Catostomus macrocheilus
 * Chasmistes
 * Cf. †Chasmistes batrachops
 * Diaphus?
 * tentatively identified Chattian Lincoln Creek Formation fossil(s)
 * Esox
 * †Esox columbianus – type locality for species
 * †Eosalmo
 * †Eosalmo driftwoodensis
 * †Gyrace
 * †Gyrace occidentalis (syn=Squalus occidentalis)
 * Heptranchias
 * †Heptranchias howelli
 * Hiodon
 * †Hiodon woodruffi
 * Isurus
 * Tentatively reported Undescribed Ypresian Crescent Formation fossil
 * Klamathella
 * †Klamathella milleri
 * Lavinia
 * †Lavinia hibbardi
 * †Libotonius
 * †Libotonius pearsoni
 * Mitsukurina
 * undescribed middle Eocene Puget Group Tukwila Formation fossil(s)
 * Mylocheilus
 * †Mylocheilus heterodon - type locality for species
 * Nolorhynchus
 * Oncorhynchus
 * †Oncorhynchus rastrosus
 * †Oxygoniolepidus - type locality for genus
 * †Oxygoniolepidus washingtonensis - type locality for species
 * †Palaeohypotodus
 * Undescribed Ypresian Crescent Formation fossil
 * †Phareodus
 * Indeterminate Early Eocene Chuckanut Formation fossil
 * †Priscacara
 * †Priscacara campi – type locality for species
 * †Probathygadus - type locality for genus
 * †Probathygadus keaseyensis - type locality for species
 * Ptychocheilus
 * †Ptychocheilus arciferus
 * †Rhinoscymnus
 * †Rhinoscymnus viridadama - type locality for species
 * Somniosus
 * †Somniosus gonzalezi - type locality for species
 * †Triaenodon
 * undescribed middle Eocene Puget Group Tukwila Formation fossil(s)

Birds

 * †Ardeipeda
 * Indeterminate Chuckanut Formation Gruipedidae wading bird tracks
 * †Avipeda
 * Indeterminate Chuckanut Formation Avipedidae wading bird tracks
 * †Charadriipeda
 * Indeterminate Chuckanut Formation webbed bird tracks
 * †Diomedavus - type locality for genus
 * †Diomedavus knapptonensis - type locality for species
 * †Klallamornis - type locality for genus
 * †Klallamornis abyssa - type locality for species
 * †Klallamornis buchanani (syn=Tonsala buchanani ) – type locality for species
 * †Klallamornis clarki - type locality for species
 * †Makahala - type locality for genus
 * †Makahala mirae - type locality for species
 * †Ornithoformipes - type locality for genus
 * †Ornithoformipes controversus - type locality for species
 * †Olympidytes - type locality for genus
 * †Olympidytes thieli - type locality for species
 * †Rivavipes - type locality for genus
 * †Rivavipes giganteus - type locality for species
 * †Tonsala – type locality for genus
 * †Tonsala hildegardae – type locality for species

Reptiles

 * †Acherontemys – type locality for genus
 * †Acherontemys heckmani – type locality for species
 * †Anticusuchipes
 * †Anticusuchipes amnis - type locality for species
 * Charina
 * Charina bottae
 * †Chelonipus
 * Indeterminate Chuckanut Formation turtle tracks
 * Crotalus
 * Indeterminate Blancan Ringold Formation "Taunton fauna" subfossil(s)
 * Elaphe
 * †Elaphe pliocenica
 * Lampropeltis
 * Lampropeltis getulus
 * Pantherophis
 * Pantherophis vulpinus (syn=Elaphe vulpina)
 * Pituophis
 * Pituophis catenifer
 * †Tauntonophis – type locality for genus
 * †Tauntonophis morganorum – type locality for species
 * Thamnophis
 * Undescribed Pliocene Ringold Formation "Taunton fauna" subfossil(s)
 * Trionyx
 * Indeterminate Early Eocene Chuckanut Formation fossil
 * †Wilburemys – type locality for genus
 * †Wilburemys yakimensis – type locality for species

Mammals A

 * †Alilepus
 * †Alilepus vagus
 * Cf. †Alilepus wilsoni
 * Skeleton of Allodesmus.jpg Allodesmus]] †Allodesmus
 * †Allodesmus demerei - type locality for species
 * undescribed Oligocene Pysht Formation fossils of possible Allodesmus affinity.
 * Ammospermophilus
 * †Ammospermophilus hanfordi
 * Cf. Antecalomys
 * Indeterminate Wilbur site fossils
 * †Aphelops
 * Cf. †Aphelops mutilus

Mammals B

 * Bassariscus
 * Cf. †Bassariscus casei
 * †Behemotops – type locality for genus
 * †Behemotops proteus – type locality for species
 * Bison
 * Bison antiquus
 * Undescribed Late Pleistocene Manis Mastodon site subfossil
 * †Borealodon – type locality for genus
 * †Borealodon osedax – type locality for species
 * Borophagus cropped.png genus Borophagus preying on a camel. Jay Matternes (1964).]] †Borophagus
 * †Borophagus diversidens
 * †Borophagus hilli
 * †Bretzia
 * †Bretzia pseudalces – type locality for species
 * undescribed Early Pliocene Ellensburg Formation fossil(s)
 * †Buisnictis
 * †Buisnictis breviramus

Mammals C

 * Camelops hesternus Sergiodlarosa.jpg †[[Camelops]]
 * Indeterminate Irvingtonian Delight site, Adams County subfossil
 * Indeterminate Blancan Ringold Formation fossil
 * Canis
 * †Canis lepophagus
 * Capromeryx minor p1350725.jpg †[[Capromeryx]]
 * †Capromeryx tauntonensis – type locality for species
 * Castor
 * †Castor californicus
 * Indeterminate Wilbur Site fossils
 * Cervus
 * †Cervus brevitrabalis
 * †Copemys
 * Indeterminate Wilbur Site fossils
 * Cormocyon leptodus.JPG Cormocyon]] †Cormocyon
 * †Cormocyon copei
 * †Cosoryx
 * †Cosoryx (Subcosoryx) cerroensis
 * Cranioceras unicornis life restoration.jpg Cranioceras, a relative of modern deer, with anachronistic human to scale]] †Cranioceras
 * Cf. †Cranioceras unicornis
 * †Cynarctus
 * †Cynarctus crucidens

Mammals D

 * †Desmatophoca
 * †Desmatophoca brachycephala – type locality for species
 * Desmostylus2DB.jpg †[[Desmostylus]]
 * †Desmostylus hesperus
 * †Diceratherium
 * †Diceratherium annectens
 * "Blue lake rhino" - unidentified species preserved as a cast in basalt
 * †Dinofelis
 * Cf. †Dinofelis palaeoonca
 * †Dipoides
 * †Dipoides rexroadensis
 * †Dipoides wilsoni

Mammals E

 * †Enhydrocyon
 * Undescribed Monroecreekian Wildcat Creek beds fossil
 * Eporeodon.JPG mammal Eporeodon]] †Eporeodon
 * Undescribed Monroecreekian Wildcat Creek beds fossil
 * Equus
 * †Equus simplicidens
 * Eucyon davisi.JPG-like canine Eucyon]] †Eucyon
 * †Eucyon davisi

Mammals F

 * †Fucaia – type locality for genus
 * †Fucaia buelli – type locality for species
 * †Fucaia goedertorum – type locality for species

Mammals H



 * †Hemiauchenia
 * Cf. †Hemiauchenia macrocephala
 * Hipparion3.jpg †[[Hipparion]]
 * †Hipparion condoni
 * †Hoplictis
 * †Hoplictis grangerensis
 * †Hypertragulus
 * Undescribed Monroecreekian Wildcat Creek beds fossil
 * †Hypolagus
 * †Hypolagus edensis
 * †Hypolagus furlongi
 * †Hypolagus gidleyi
 * †Hypolagus ringoldensis – type locality for species
 * Cf. †Hypolagus vetus

Mammals K

 * †Kolponomos
 * †Kolponomos clallamensis
 * Aff. †Kronokotherium
 * Undescribed Miocene Clallam Formation fossil.
 * Undescribed Late Eocene Pysht Formation fossil.

Mammals L

 * †Leptarctus
 * Undescribed Clarendonian Ellensburg Formation fossil
 * Lynx
 * Lynx canadensis
 * Cf. Lynx rufus

Mammals M

 * †Mammut
 * †Mammut americanum
 * †Mammuthus
 * †Mammuthus columbi
 * †Mammuthus primigenius
 * †Megalonyx
 * †Megalonyx leptostomus
 * †Megatylopus
 * Cf. †Megatylopus cochrani
 * Indeterminate Wilbur site fossils
 * †Merycoides
 * †Mesoreodon
 * †Mimomys
 * †Mimomys mcknighti
 * †Mimomys taylori
 * †Miohippus
 * Cf. †Miohippus equiceps
 * †Miohippus equinanus? – tentative report
 * Mirounga
 * Mirounga angustirostris.
 * Mustela
 * Cf. †Mustela rexroadensis

Mammals N

 * †Nekrolagus
 * Cf. †Nekrolagus progressus
 * Neotamias
 * Cf. Neotamias malloryi
 * Neotoma cinerea (bushy tailed woodrat).jpg [[Neotoma]]
 * Cf. †Neotoma fossilis
 * Cf. †Neotoma quadriplicata

Mammals O

 * Odocoileus
 * Odocoileus hemionus
 * †Olympicetus - type locality for genus
 * †Olympicetus avitus - type locality for species
 * †Olympicetus thalassodon - type locality for species
 * Ondatra
 * †Ondatra minor

Mammals P

 * †Paenemarmota
 * Cf. †Paenemarmota sawrockensis
 * Cf. †Palaeolagus
 * †Paracryptotis
 * †Paracryptotis rex
 * †Paraenhydrocyon
 * †Paraenhydrocyon josephi
 * †Parailurus
 * San Diego Paramylodon.jpg Paramylodon]] †Paramylodon
 * †Paramylodon harlani
 * †Paronychomys
 * Cf. †Paronychomys woodburnei
 * DiGangi-Deermouse.jpg [[Peromyscus]]
 * †Peromyscus nosher
 * Perognathus
 * Indeterminate Wilbur site fossil
 * Phenacomys
 * Phenacomys intermedius
 * Platygonus leptorhinus cropped.png of the genus Platygonus. Charles R. Knight (1922).]] †Platygonus
 * †Platygonus pearcei
 * †Plionarctos
 * †Plionarctos harroldorum – type locality for species
 * †Pliosaccomys
 * †Pliosaccomys prowitteorum - type locality for species
 * †Pliotaxidea
 * †Pliotaxidea nevadensis
 * †Procastoroides
 * Cf. †Procastoroides idahoensis
 * Procyon – tentative report
 * †Prodipodomys
 * Promerycochoerus cropped.png Promerycochoerus. Robert Bruce Horsfall (1913).]] †Promerycochoerus
 * †Promerycochoerus superbus
 * †Prosthennops
 * Pterynotus
 * †Pterynotus washingtonicus – type locality for species
 * Puma
 * Puma concolor? – tentative report
 * †Puma lacustris (syn=Felis lacustris)

Mammals R

 * Rangifer

Mammals S

 * †Salishicetus - type locality for genus
 * †Salishicetus meadi - type locality for species
 * †Satherium
 * †Satherium piscinarium
 * Scapanus
 * †Sitsqwayk
 * †Sitsqwayk cornishorum – type locality for species
 * MaskedShrew23.jpg [[Sorex]]
 * Cf. †Sorex meltoni
 * †Sorex powersi
 * Spermophilus
 * Cf. †Spermophilus howelli
 * †Spermophilus russelli
 * †Spermophilus wilsoni
 * Spilogale
 * †Squaloziphius – type locality for genus
 * †Squaloziphius emlongi – type locality for species

Mammals T

 * Taxidea
 * Taxidea taxus - subfossil
 * Teleoceras Horsfall cropped.jpg †[[Teleoceras]]
 * †Teleoceras hicksi
 * Cf. †Teleoceras major
 * Thomomys
 * Cf. †Thomomys gidleyi
 * Undescribed Pliocene Ringold Formation fossil
 * †Trigonictis
 * †Trigonictis cookii
 * †Trigonictis macrodon

Mammals W-Z

 * †Wimahl - type locality for genus
 * †Wimahl chinookensis - type locality for species
 * †Zarhinocetus
 * †Zarhinocetus donnamatsonae – type locality for species