List of the Mesozoic life of Oregon

This list of the Mesozoic 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 252.17 and 66 million years of age.

A

• †Acanthocircus
  • †Acanthocircus carinatus – or unidentified related form
  • †Acanthocircus rotundus – or unidentified related form
• †Acanthodiscus
  • †Acanthodiscus subradiatus – or unidentified related form

• 

  Fossilized shells of the Early-Late Cretaceous marine bivalve Actinoceramus

  †Actinoceramus
  • †Actinoceramus salomoni
  • †Actinoceramus subsulcatus
  • †Actinoceramus sulcatus
• †Agerchlamys
  • †Agerchlamys boellingi
• †Alpinophragmium – tentative report
• †Amblysiphonella
  • †Amblysiphonella steinmanni – or unidentified comparable form
  • †Amblysiphonella timorica
• †Ampakabastraea
  • †Ampakabastraea cowichanensis
• †Anahamulina
  • †Anahamulina wilcoxensis
• †Anatropites
• †Andrazella
• †Angulobracchia
  • †Angulobracchia bulbosa
• †Anoptychia
  • †Anoptychia oregonensis – type locality for species
• †Antexitus – type locality for genus
  • †Antexitus inusitatus – type locality for species
  • †Antexitus pessagnoi – type locality for species
  • †Antexitus southforkensis – type locality for species
  • †Antexitus yangi – type locality for species
• †Anthostylis
  • †Anthostylis acanthophora – or unidentified comparable form
• †Antiquilima
• †Apiotrigonia
  • †Apiotrigonia condoni
• †Arcavicula – tentative report

• 

  Life restoration of two species of the Late Triassic ammonoid cephalopod Arcestes

  †Arcestes
  • †Arcestes gigantogaleatus – or unidentified comparable form
• †Archaeocenosphaera
  • †Archaeocenosphaera laseekensis
• †Archaeodictyomitra
  • †Archaeodictyomitra exigua
  • †Archaeodictyomitra primigena
• †Archaeohagiastrum
  • †Archaeohagiastrum munitum – or unidentified related form
  • †Archaeohagiastrum oregonense – type locality for species
• †Archaeospongoprunum
  • †Archaeospongoprunum helense
  • †Archaeospongoprunum praeimlayi
• †Arietoceltites

• 

  Shell of a modern Astarte bivalve

  Astarte
• †Astraeomorpha
  • †Astraeomorpha confusa
  • †Astraeomorpha crassisepta
• †Austrisaturnalis
  • †Austrisaturnalis quadriradiatus – or unidentified related form

B

• †Baccanella
• †Badouxia
  • †Badouxia canadensis – type locality for species
  • †Badouxia columbiae
• †Barbuta
  • †Barbuta senecaensis – type locality for species
• †Bennettazhia
  • †Bennettazhia oregonensis – type locality for species
• †Bistarkum
  • †Bistarkum bifurcum – type locality for species
  • †Bistarkum rigidium – type locality for species
  • †Bistarkum saginatum – type locality for species
• †Broctus
  • †Broctus ruesti – type locality for species
• †Buchia
  • †Buchia pacifica
  • †Buchia piochii
  • †Buchia uncitoides – or unidentified comparable form
• †Bulbocyrtium
  • †Bulbocyrtium tubum – type locality for species

C

• Cadulus

• 

  Fossilized shell of the Late Cretaceous ammonoid cephalopod Calycoceras

  †Calycoceras
  • †Calycoceras naviculare – type locality for species
• †Camptonectes
• †Canelonus
  • †Canelonus conus – or unidentified comparable form
• †Canoptum
  • †Canoptum anulatum
  • †Canoptum artum – type locality for species
  • †Canoptum macoyense – or unidentified comparable form
  • †Canoptum merum
  • †Canoptum poissoni
  • †Canoptum praeanulatum
  • †Canoptum spinosum – type locality for species
• †Cantalum
• †Canutus
  • †Canutus fusus – type locality for species
  • †Canutus giganteus
  • †Canutus indomitus
  • †Canutus nitidus – type locality for species
  • †Canutus rockfishensis
• †Capnodoce
  • †Capnodoce anapetes – or unidentified related form
  • †Capnodoce angusta – type locality for species
  • †Capnodoce antiqua – type locality for species
  • †Capnodoce baldiensis – type locality for species
  • †Capnodoce beaulieui – type locality for species
  • †Capnodoce copiosa – type locality for species
  • †Capnodoce extenta – type locality for species
  • †Capnodoce fragilis – type locality for species
  • †Capnodoce gracilis – type locality for species
  • †Capnodoce insueta – type locality for species
  • †Capnodoce kochi – type locality for species
  • †Capnodoce malaca – type locality for species
  • †Capnodoce media – type locality for species
  • †Capnodoce minuscula – type locality for species
  • †Capnodoce minuta – type locality for species
  • †Capnodoce sinuosa – type locality for species
  • †Capnodoce traversi
• †Capnuchosphaera
  • †Capnuchosphaera colemani – type locality for species
  • †Capnuchosphaera deweveri
  • †Capnuchosphaera schenki – type locality for species
  • †Capnuchosphaera silviesensis – type locality for species
  • †Capnuchosphaera smithorum – type locality for species
  • †Capnuchosphaera sockensis – type locality for species
  • †Capnuchosphaera soldierensis – type locality for species
  • †Capnuchosphaera texensis – type locality for species
• Cardinia
• †Cardinioides
  • †Cardinioides josephus
• †Cassianella
  • †Cassianella angusta
• †Catoma – type locality for genus
  • †Catoma concinna – type locality for species
  • †Catoma geometrica – type locality for species
  • †Catoma inedita – type locality for species

• 

  Life restoration of the Late Triassic-Middle Jurassic nautiloid cephalopod Cenoceras

  †Cenoceras
  • †Cenoceras lupheri – type locality for species
• †Ceriostella
• †Charlottea
  • †Charlottea carterae – type locality for species
  • †Charlottea weedensis – or unidentified comparable form
• Chlamys
  • †Chlamys mojsisovicsi
• †Chondrocoenia
  • †Chondrocoenia paradoxa
• †Cleoniceras – tentative report
  • †Cleoniceras dilleri – type locality for species
• †Coccophyllum – tentative report
• †Coelastarte
• †Coenastraea
  • †Coenastraea hyatti
• †Colospongia
  • †Colospongia utriculus
• †Corum
  • †Corum candidum – type locality for species
  • †Corum parvum – type locality for species
• †Crassistella
  • †Crassistella juvavica
  • †Crassistella vesiculosa – or unidentified comparable form
• †Crenamussium
  • †Crenamussium concentricum

• 

  Fossilized shell of the Early Cretaceous ammonoid cephalopod Crioceratites

  †Crioceratites
• †Crubus
  • †Crubus chengi – type locality for species
  • †Crubus firmus – type locality for species
• †Crucella
  • †Crucella angulosa – or unidentified comparable form
  • †Crucella beata – type locality for species
  • †Crucella concinna – type locality for species
  • †Crucella jadeae – type locality for species
  • †Crucella theokaftensis – or unidentified comparable form
• †Cryptocoelia
• †Cuifastraea
  • †Cuifastraea granulata
• †Cyathocoenia
  • †Cyathocoenia gerthi – or unidentified comparable form

D

• Dentalium
  • †Dentalium stentor
• †Diceratigalea
  • †Diceratigalea mirus
  • †Diceratigalea venustus
• †Dichotomites
• †Diplotremina
• †Discamphiceras
  • †Discamphiceras ornatum – type locality for species
• †Discosiphonella
• †Discotropites
• †Distichophyllia
  • †Distichophyllia norica
• †Droltus
  • †Droltus probosus
  • †Droltus sanignacioensis
• †Drulanta
  • †Drulanta bella – type locality for species
  • †Drulanta pulchra – type locality for species

E

• †Elodium – tentative report
  • †Elodium mackenziei
• †Elysastraea
  • †Elysastraea profunda
• †Emiluvia
  • †Emiluvia bacata – type locality for species
  • †Emiluvia brevispina – type locality for species
  • †Emiluvia goricanae – type locality for species
  • †Emiluvia kozuri – type locality for species
  • †Emiluvia oregonensis – type locality for species
  • †Emiluvia parvinodosa – type locality for species
  • †Emiluvia pessagnoi
• †Empirea
• †Endostoma
• †Entolium
  • †Entolium ceruleus – type locality for species
• †Eocomoseris
  • †Eocomoseris ramosa
• †Erugonia
  • †Erugonia canyonensis

F

• †Fantus
  • †Fantus exiguus – type locality for species
  • †Fantus schoolhousensis – type locality for species
• †Farcus
  • †Farcus graylockensis
  • †Farcus kozuri – type locality for species
  • †Farcus lepidus – type locality for species
  • †Farcus lipidus – or unidentified comparable form
  • †Farcus multidorsus – type locality for species
• †Fenestrula
  • †Fenestrula jurassica – type locality for species
  • †Fenestrula oregonensis – type locality for species
• †Franziceras
  • †Franziceras graylockense – type locality for species
• †Frenguelliella – tentative report

G

• †Gablonzeria
  • †Gablonzeria profunda

• 

  Fossilized shell of the Carboniferous-Eocene bivalve Gervillia

  †Gervillia
  • †Gervillia angusta
• †Gorgansium
  • †Gorgansium beaverense – type locality for species
  • †Gorgansium browni – type locality for species
  • †Gorgansium morganense
  • †Gorgansium silviesense
  • †Gorgansium thayeri – type locality for species
  • †Gorgansium vallieri
  • †Gorgansium yangi – type locality for species
• †Grammatodon

• 

  Interior and exterior of a fossilized shell of the Late Triassic-Eocene marine bivalve Gryphaea

  †Gryphaea
  • †Gryphaea arcuataeformis

H

• †Hagiastrum
  • †Hagiastrum macrum – type locality for species
  • †Hagiastrum majusculum
• †Hajarispongia
  • †Hajarispongia whaleni – type locality for species
• †Halobia
  • †Halobia beyrichi
  • †Halobia dilatata
  • †Halobia halorica
  • †Halobia oregonensis – type locality for species
  • †Halobia radiata
  • †Halobia salinarum
  • †Halobia superba
• †Halorella
• †Hannaites
  • †Hannaites riddlensis
  • †Hannaites truncatus
• †Hannaoceras
• †Hemicryptocapsa
• †Heptastylis
  • †Heptastylis aquilae
  • †Heptastylis oregonensis
• †Hetalum – type locality for genus
  • †Hetalum brevilabrum – type locality for species
• †Higumastra
  • †Higumastra angustabraccia – type locality for species
  • †Higumastra exigua – type locality for species
  • †Higumastra hui – type locality for species
  • †Higumastra inflata – or unidentified comparable form
  • †Higumastra laxa – type locality for species
  • †Higumastra lupheri – type locality for species
  • †Higumastra obesabraccia – type locality for species
  • †Higumastra transversa
• †Hilarisirex
  • †Hilarisirex oregonensis
• †Hiscocapsa
  • †Hiscocapsa funatoensis
  • †Hiscocapsa matsuokai – type locality for species
  • †Hiscocapsa minuta – type locality for species
• †Hollisites
  • †Hollisites dichotomus – type locality for species
• †Homoeoparonaella
  • †Homoeoparonaella elegans
  • †Homoeoparonaella hydensis – type locality for species
• †Homolsomites
  • †Homolsomites stantoni
• †Hoplocrioceras
  • †Hoplocrioceras remondi – or unidentified comparable form

• 

  Fossil of the Jurassic-Paleogene lobster Hoploparia

  †Hoploparia
  • †Hoploparia riddlensis – type locality for species
• †Hsuum
  • †Hsuum acutum – type locality for species
  • †Hsuum belliatulum
  • †Hsuum brevicostatum
  • †Hsuum gratum – type locality for species
  • †Hsuum lucidum – type locality for species
  • †Hsuum lupheri
  • †Hsuum mirabundum
  • †Hsuum modicum – type locality for species
  • †Hsuum parasolense
  • †Hsuum parvulum – type locality for species
  • †Hsuum robustum
  • †Hsuum rosebudense
• †Hyphantoceras
  • †Hyphantoceras ceratopse – tentative report
  • †Hyphantoceras irregulare – tentative report
• †Hypophylloceras
  • †Hypophylloceras onoense – or unidentified related form
  • †Hypophylloceras onoensis – or unidentified related form

I

• †Icrioma
  • †Icrioma praecipua – type locality for species
  • †Icrioma transversa – type locality for species

• 

  Fossilized shell of the Early Jurassic-Late Cretaceous marine bivalve Inoceramus with a human indicating its size

  †Inoceramus
• †Isocyprina

J

• †Jaworskiella
  • †Jaworskiella supleiensis – type locality for species
• †Justium – type locality for genus
  • †Justium medium – type locality for species
  • †Justium novum – type locality for species
  • †Justium robustum – type locality for species

K

• †Kahlerosphaera
• †Katroma
  • †Katroma angusta – type locality for species
  • †Katroma bicornus – type locality for species
  • †Katroma clara – type locality for species
  • †Katroma inflata – type locality for species
  • †Katroma ninstintsi
  • †Katroma pinquitudo – or unidentified comparable form
• †Kilianella
  • †Kilianella besairiei – or unidentified comparable form
• †Krumbeckiella – tentative report
  • †Krumbeckiella timorensis – tentative report
• †Kuhnastraea
  • †Kuhnastraea decussata
  • †Kuhnastraea incrassata

L

• †Lantus
  • †Lantus obesus – type locality for species
  • †Lantus sixi – type locality for species
• †Lanubus
  • †Lanubus alatus – type locality for species
  • †Lanubus dickinsoni
  • †Lanubus hattorii – type locality for species
  • †Lanubus holdsworthi
  • †Lanubus purus
• †Laxuscingula – type locality for genus
  • †Laxuscingula obesa
• †Leugeo
  • †Leugeo hullae – type locality for species
  • †Leugeo ordinarius
  • †Leugeo parvispinata
• Lima
  • †Lima spinigera
• †Liostrea
  • †Liostrea newelli

• 

  Electron micrograph of fossilized teeth from the Early Jurassic-Early Cretaceous freshwater shark Lissodus

  †Lissodus
  • †Lissodus weltoni – type locality for species
• †Lithiotis
  • †Lithiotis problematica
• †Loffa
  • †Loffa lepida – type locality for species
  • †Loffa vesterensis – type locality for species
• Lopha
• †Lucina
• †Lupherium
  • †Lupherium nitidum
  • †Lupherium snowshoense

• 

  Fossilized shell of the Early Cretaceous ammonoid cephalopod Lyelliceras

  †Lyelliceras
• †Lytoceras
  • †Lytoceras aulaeum

M

• †Maeandrostylis
  • †Maeandrostylis grandiseptus – type locality for species
  • †Maeandrostylis vancouverensis

• 

  Fossilized shell of the Late Cretaceous ammonoid cephalopod Mantelliceras

  †Mantelliceras
  • †Mantelliceras phoenixense – type locality for species
• †Margarastraea
  • †Margarastraea pulchra – type locality for species
• †Margarosmilia – report made of unidentified related form or using admittedly obsolete nomenclature
  • †Margarosmilia confluens
• †Meleagrinella
• †Metapolygnathus
  • †Metapolygnathus nodosus
• Milax
  • †Milax alienus
  • †Milax flexuosus
• Miliolipora
• †Minetrigonia
• †Minutusolla – type locality for genus
  • †Minutusolla yaoi – type locality for species

Fossilized shell of the Devonian-modern marine bivalve Modiolus, or horsemussel

†Modiolus

• †Monotis
  • †Monotis subcircularis
• †Montlivaltia – report made of unidentified related form or using admittedly obsolete nomenclature
• †Multimonilis – type locality for genus
  • †Multimonilis pulcher – type locality for species
  • †Multimonilis splendidus – or unidentified comparable form
• †Myophorella
  • †Myophorella argo – or unidentified comparable form
  • †Myophorella freboldi – type locality for species
• †Myophorigonia
  • †Myophorigonia kobayashii
• †Mysidiella
  • †Mysidiella americana – or unidentified comparable form
  • †Mysidiella cordillerana
• †Mysidioptera
  • †Mysidioptera spinigera
  • †Mysidioptera williamsi

N

• Napora
  • †Napora antelopensis
  • †Napora aperta – type locality for species
  • †Napora baumgartneri
  • †Napora bearensis
  • †Napora cerromesaensis
  • †Napora cosmica – or unidentified related form
  • †Napora insolita
  • †Napora milleri
  • †Napora morganensis
  • †Napora opaca
  • †Napora proba – type locality for species
  • †Napora propria – type locality for species
  • †Napora relica – type locality for species
• †Neoconocaryomma – type locality for genus
  • †Neoconocaryomma acusspina – type locality for species
  • †Neoconocaryomma mixtura – type locality for species
  • †Neoconocaryomma tantulimamma – type locality for species
  • †Neoconocaryomma tripalmaspina – type locality for species
• †Neogondolella
• †Neowrangellium
  • †Neowrangellium pessagnoi – type locality for species

• 

  Fossilized shell of the Jurassic-Cretaceous sea snail Nerinea

  †Nerinea
• †Nevadaphyllites
  • †Nevadaphyllites compressus
• Nodosaria – or unidentified comparable form
• †Noritus
  • †Noritus lillihornensis – or unidentified comparable form
  • †Noritus pauxillus
  • †Noritus tenuis – type locality for species
• Nucinella – or unidentified comparable form

O

• †Occidentocerithium – type locality for genus
  • †Occidentocerithium panthalassicum – type locality for species

• 

  Fossilized shell of the Early Cretaceous ammonoid cephalopod Olcostephanus

  †Olcostephanus
  • †Olcostephanus pecki
  • †Olcostephanus popenoei
• †Ophthalmidium
• †Oppelismilia
• †Orbiculiforma
  • †Orbiculiforma densaora – type locality for species
  • †Orbiculiforma hexagonaora – type locality for species
  • †Orbiculiforma iniqua
  • †Orbiculiforma librataspira – type locality for species
  • †Orbiculiforma multifora – or unidentified related form
  • †Orbiculiforma sentarota – type locality for species
• †Orbiculiformella
  • †Orbiculiformella callosa
  • †Orbiculiformella trispina – type locality for species
• †Oregoniceras
  • †Oregoniceras jacksonense – type locality for species
  • †Oregoniceras jillsoni – type locality for species
  • †Oregoniceras multicostum
  • †Oregoniceras phoenixense – type locality for species

• 

  Shell of an Ostrea, or oyster

  Ostrea
• †Otoscaphites
  • †Otoscaphites perrini
• †Oxytropidoceras

P

• †Pachus – tentative report

• 

  Fossilized shell of the Late Cretaceous ammonoid cephalopod Pachydiscus

  †Pachydiscus
  • †Pachydiscus ashlandicus – type locality for species
  • †Pachydiscus oregonensis – type locality for species
• †Pachyoncus
  • †Pachyoncus crassus – type locality for species
  • †Pachyoncus floreus – type locality for species
  • †Pachyoncus tumidus
  • †Pachyoncus varius
• †Palaeodasycladus – tentative report
• †Palaeosaturnalis
  • †Palaeosaturnalis subovalis
• †Palaxius
• †Palinandromeda
  • †Palinandromeda fimbria
• †Pamiroseris
  • †Pamiroseris meriani
  • †Pamiroseris smithi
• †Pantanellium
  • †Pantanellium baileyi – type locality for species
  • †Pantanellium butonense – type locality for species
  • †Pantanellium cumshewaense
  • †Pantanellium fosteri
  • †Pantanellium foveatum
  • †Pantanellium inornatum
  • †Pantanellium latum – type locality for species
  • †Pantanellium malheurense – type locality for species
  • †Pantanellium pinguisfloreus – type locality for species
  • †Pantanellium sincerum – type locality for species
  • †Pantanellium ultrasincerum
  • †Pantanellium vigrassi – type locality for species
  • †Pantanellium wui – type locality for species
• †Paradelphinulopsis – type locality for genus
  • †Paradelphinulopsis vallieri – type locality for species
• †Paradeningeria – tentative report
• †Paradiscamphiceras
  • †Paradiscamphiceras athabascanense
  • †Paradiscamphiceras dickinsoni
  • †Paradiscamphiceras elkhornense – type locality for species
• †Parahsuum
  • †Parahsuum formosum – type locality for species
  • †Parahsuum hiconocosta
  • †Parahsuum izeense
  • †Parahsuum mostleri – type locality for species
  • †Parahsuum officerense
  • †Parahsuum publicum
  • †Parahsuum sporta – type locality for species
  • †Parahsuum vizcainoense
• †Parallelodon
  • †Parallelodon monobensis – or unidentified comparable form
• †Parasaturnalis
  • †Parasaturnalis diplocyclis – type locality for species
  • †Parasaturnalis yehae – type locality for species
• †Parasepsagon
  • †Parasepsagon variabilis
• †Parentactinia
  • †Parentactinia nakatsugawaensis
• †Parentactinosphaera – tentative report
  • †Parentactinosphaera longispinosa
• †Paronaella
  • †Paronaella araneae
  • †Paronaella bona – type locality for species
  • †Paronaella curticrassa
  • †Paronaella fera – type locality for species
  • †Paronaella grahamensis
  • †Paronaella kotura
  • †Paronaella obesa
  • †Paronaella pessagnoi
  • †Paronaella pygmaea
  • †Paronaella skowkonaensis
  • †Paronaella snowshoensis – type locality for species
  • †Paronaella venadoensis – or unidentified related form
• †Parvicingula
  • †Parvicingula blackhornensis
  • †Parvicingula blackhorsensis
  • †Parvicingula elegans
  • †Parvicingula matura
  • †Parvicingula media
  • †Parvicingula praeacutum
• †Parvifavus
  • †Parvifavus irregularis
• †Parvivacca
  • †Parvivacca blomei – or unidentified comparable form
• †Perispyridium
  • †Perispyridium apertum – type locality for species
  • †Perispyridium darwini
  • †Perispyridium dettermani – or unidentified comparable form
  • †Perispyridium dumitricai
  • †Perispyridium facetum
  • †Perispyridium gujohachimanense
  • †Perispyridium oregonense – type locality for species
  • †Perispyridium schopfi
  • †Perispyridium tamarackense
  • †Perispyridium whalenae – type locality for species

• 

  Fossil of the Devonian-Cretaceous sponge Peronidella

  †Peronidella
• †Phacelostylophyllum
  • †Phacelostylophyllum zitteli
• Pholadomya
• †Phylloceras
  • †Phylloceras umpquanum
• †Phyllopachyceras
  • †Phyllopachyceras trinitense
  • †Phyllopachyceras umpquanum
• †Plafkerium
  • †Plafkerium robustum – type locality for species
• †Plagiostoma – tentative report
• †Planiinvoluta
• †Platymya
  • †Platymya rockymontana
• †Pleesus
  • †Pleesus aptus – type locality for species
• †Pleuromya
• †Pleuronectites
• Plicatula
  • †Plicatula hekiensis
• †Poulpus
  • †Poulpus haeckeli – type locality for species
  • †Poulpus karnicus – type locality for species
  • †Poulpus lupheri – type locality for species
• †Praeconocaryomma
  • †Praeconocaryomma decora – type locality for species
  • †Praeconocaryomma parvimamma
  • †Praeconocaryomma splendida – type locality for species
  • †Praeconocaryomma whiteavesi
  • †Praeconocaryomma yakounensis
• †Praeparvicingula
  • †Praeparvicingula burnsensis
  • †Praeparvicingula communis
  • †Praeparvicingula decora
  • †Praeparvicingula grantensis
  • †Praeparvicingula inornata
  • †Praeparvicingula prisca
  • †Praeparvicingula profunda
  • †Praeparvicingula schoolhousensis
  • †Praeparvicingula sodaensis
  • †Praeparvicingula tlellensis
  • †Praeparvicingula vera
• †Procyclolites
• †Promathildia
• †Pronoella
  • †Pronoella uintahensis
• †Protorcula
  • †Protorcula frydai
• †Protunuma
  • †Protunuma japonicus
• †Pseudocrucella
  • †Pseudocrucella hilara – type locality for species
  • †Pseudocrucella ornata – type locality for species
  • †Pseudocrucella pecta – type locality for species
  • †Pseudocrucella prava
  • †Pseudocrucella tangae – type locality for species
• †Pseudoheliodiscus
• †Pseudolimea
  • †Pseudolimea naumanni
• †Pseudopantanellium
  • †Pseudopantanellium floridum – type locality for species
• †Pseudopoulpus
  • †Pseudopoulpus acutipodium – type locality for species
  • †Pseudopoulpus deweveri – type locality for species
• †Pseudoristola
  • †Pseudoristola faceta – type locality for species
  • †Pseudoristola megaglobosa – type locality for species
• †Pseudosaturniforma
  • †Pseudosaturniforma minuta
• †Pseudospondylospira
  • †Pseudospondylospira perplexa
• †Pseudostylosphaera
  • †Pseudostylosphaera japonica
  • †Pseudostylosphaera magnispinosa – type locality for species
• †Purpuroidea – report made of unidentified related form or using admittedly obsolete nomenclature
• †Pylostephanidium

Q

• †Quadrisaturnalis – type locality for genus
  • †Quadrisaturnalis dickinsoni – type locality for species
  • †Quadrisaturnalis grandis – type locality for species
  • †Quadrisaturnalis quadratus – type locality for species
• †Quarticella
  • †Quarticella ovalis – or unidentified comparable form

R

• †Radium – type locality for genus
  • †Radium pessagnoi – type locality for species
• †Recticostastraea – type locality for genus
  • †Recticostastraea wallowaensis – type locality for species
• †Renzium – type locality for genus
  • †Renzium adversum – type locality for species
  • †Renzium webergorum – type locality for species
• †Retiophyllia
  • †Retiophyllia dawsoni
  • †Retiophyllia norica
  • †Retiophyllia oppeli – or unidentified related form
  • †Retiophyllia parviseptum
• †Ristola
  • †Ristola prisca
  • †Ristola reliqua – type locality for species
  • †Ristola turpicula
• †Rolumbus
  • †Rolumbus beatus – type locality for species
  • †Rolumbus hilarus – type locality for species
  • †Rolumbus lautus – type locality for species

S

• †Saitoum
  • †Saitoum coronarium – or unidentified comparable form
  • †Saitoum dickinsoni – type locality for species
  • †Saitoum smithi – type locality for species
  • †Saitoum thayeri – type locality for species
• †Salzburgia – tentative report
• †Sarasinella
  • †Sarasinella densicostata – or unidentified comparable form
  • †Sarasinella hyatti
  • †Sarasinella subspinosa – or unidentified comparable form
• †Sarla
  • †Sarla delicata – type locality for species
  • †Sarla externa – type locality for species
  • †Sarla formosa – type locality for species
  • †Sarla plena – type locality for species
  • †Sarla triangulata – type locality for species
  • †Sarla vetusta – or unidentified related form
• †Scalarites
  • †Scalarites mihoensis
• †Scaphites
  • †Scaphites condoni
• †Schistophylloceras
  • †Schistophylloceras aulonotum – or unidentified related form
• †Sepsagon
  • †Sepsagon longispinosus
• †Septocardia

• 

  Life restoration of three species of the Middle-Late Triassic ichthyosaur genus Shastasaurus

  †Shastasaurus
  • †Shastasaurus pacificus – or unidentified comparable form
• †Silicarmiger
• †Simbirskites
  • †Simbirskites elatus – or unidentified related form
  • †Simbirskites progrediens – or unidentified related form
• †Sontonaella
  • †Sontonaella concinna – type locality for species
  • †Sontonaella spongiosa – type locality for species
• †Spinidelphinulopsis – type locality for genus
  • †Spinidelphinulopsis whaleni – type locality for species
• †Spitidiscus
  • †Spitidiscus oregonensis – type locality for species
• †Spondylospira
  • †Spondylospira lewesensis
  • †Spondylospira tricosta
• †Spongiomorpha
  • †Spongiomorpha acyclica
  • †Spongiomorpha gibbosa – or unidentified comparable form
  • †Spongiomorpha tenuis
• †Spongocapsula
  • †Spongocapsula palmerae
• †Spongostylus
  • †Spongostylus carnicus
• †Stauracontium – tentative report
  • †Stauracontium trispinosum
• †Stromatomorpha
• †Stuoresia
  • †Stuoresia libratosepta – or unidentified comparable form
• †Stylophyllopsis
  • †Stylophyllopsis lindstroemi – or unidentified comparable form
  • †Stylophyllopsis rudis – or unidentified comparable form
• †Stylophyllum
• †Subprionocyclus
  • †Subprionocyclus branneri
  • †Subprionocyclus neptuni
  • †Subprionocyclus normalis – type locality for species
• †Sympolycyclus
• †Syringocapsa
  • †Syringocapsa turgida

T

• †Tardentactinia
  • †Tardentactinia oregonensis – type locality for species
• †Teichertus
  • †Teichertus pessagnoi – type locality for species
  • †Teichertus splendidus
• †Telacapsula – type locality for genus
  • †Telacapsula johndayensis – type locality for species
  • †Telacapsula littlescottyensis – type locality for species
  • †Telacapsula odoghertyi – type locality for species
  • †Telacapsula wangi – type locality for species
• †Tetraditryma
  • †Tetraditryma coldspringensis
  • †Tetraditryma corralitosensis
  • †Tetraditryma pseudoplena
• †Tetragonites
  • †Tetragonites glabrus
  • †Tetragonites jacksonense – type locality for species
• †Tetrarchiplagia
  • †Tetrarchiplagia yehae
• †Tetratrabs
  • †Tetratrabs acutusspina – type locality for species
  • †Tetratrabs izeensis – type locality for species
  • †Tetratrabs robustusspina – type locality for species

• 

  Fossil of the Triassic-Eocene stony coral Thamnasteria

  †Thamnasteria
  • †Thamnasteria borealis
• †Thamnasteriamorpha
  • †Thamnasteriamorpha frechi
• †Thecomeandra
  • †Thecomeandra vallieri
• †Thecosmilia – report made of unidentified related form or using admittedly obsolete nomenclature
• †Thurmanniceras
  • †Thurmanniceras jenkinsi
  • †Thurmanniceras stippi – or unidentified comparable form
  • †Thurmanniceras wilcoxi
• †Thurstonia
  • †Thurstonia gibsoni – or unidentified comparable form
• †Tolypammina
• †Tosapecten
  • †Tosapecten subhiemalis
• †Tozerium
• †Tragodesmoceras
  • †Tragodesmoceras ashlandicum
• †Triactoma
  • †Triactoma rosespitensis
• †Triassocampe
  • †Triassocampe exilis – type locality for species
  • †Triassocampe illyrica
  • †Triassocampe immaturum
  • †Triassocampe pulchra – or unidentified comparable form
  • †Triassocampe sulovensis
• †Triassocingula
• †Triassocyrtium – tentative report

• 

  Fossilized shell of the Permian-Paleocene marine bivalve Trigonia

  †Trigonia
  • †Trigonia montanaensis
• †Trillus
  • †Trillus elkhornensis
  • †Trillus seidersi – type locality for species
• †Tripocyclia
  • †Tripocyclia brooksi
  • †Tripocyclia smithi
  • †Tripocyclia southforkensis
  • †Tripocyclia wickiupensis
• †Tritrabs
  • †Tritrabs simplex
  • †Tritrabs suavis
  • †Tritrabs worzeli – or unidentified comparable form
• †Triversus
  • †Triversus fastigatus
• Trochocyathus
  • †Trochocyathus oregonensis – type locality for species
• †Tropites
• †Turanta
  • †Turanta fida – type locality for species
  • †Turanta morinae
  • †Turanta nodosa
• †Turristylus
  • †Turristylus triadicus – or unidentified related form

• 

  Fossilized shells of the Late Jurassic-modern tower snail Turritella

  Turritella
  • †Turritella buwaldana
• †Tutcheria
  • †Tutcheria densestriata
  • †Tutcheria densestriatum

U

• †Undularia
• †Unuma – tentative report
  • †Unuma unicus – type locality for species
• †Uvanella
  • †Uvanella norica

V

• †Vaugonia
  • †Vaugonia oregonensis – type locality for species
  • †Vaugonia yukonensis – tentative report
• Venericardia
• †Vermiceras
  • †Vermiceras mineralense
  • †Vermiceras morganense – type locality for species
  • †Vermiceras rursicostatum – or unidentified related form
• †Verticiplagia
  • †Verticiplagia oregonensis – type locality for species
  • †Verticiplagia verticillata
  • †Verticiplagia yehae

W

• †Wallowaconcha
  • †Wallowaconcha raylenea
• †Wallowanerita – type locality for genus
  • †Wallowanerita newtonae – type locality for species
• †Wellsia
  • †Wellsia oregonensis
  • †Wellsia packardi
  • †Wellsia vigorosa
• †Weyla
• †Williriedellum
  • †Williriedellum frequens
• †Wilvemia
• †Wrangellium
  • †Wrangellium izeense – type locality for species
  • †Wrangellium oregonense – type locality for species
  • †Wrangellium thurstonense – or unidentified comparable form

X

• †Xiphostylus
  • †Xiphostylus communis – type locality for species
  • †Xiphostylus fragilis
  • †Xiphostylus halli
  • †Xiphostylus logdellensis
  • †Xiphostylus simplus – type locality for species
  • †Xiphostylus sinuosus
  • †Xiphostylus superbus
  • †Xiphostylus vallieri
  • †Xiphostylus whalenae
• †Xiphotheca
• †Xiphothecaella
  • †Xiphothecaella longa

Y

• †Yamatoum
• †Yeharaia
  • †Yeharaia elegans

Z

• †Zardinia – tentative report
• †Zartus
  • †Zartus dickinsoni – type locality for species
  • †Zartus imlayi – type locality for species
  • †Zartus jonesi – type locality for species
  • †Zartus jurassicus – type locality for species
  • †Zartus praejonesi – type locality for species
  • †Zartus thayeri – type locality for species
• †Zoneait – type locality for genus
  • †Zoneait nargorum – type locality for species
• †Zugmayerella
  • †Zugmayerella americana – type locality for species
  • †Zugmayerella uncinata

References

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.