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
edit- †Acanthocircus
- †Acanthocircus carinatus – or unidentified related form
- †Acanthocircus rotundus – or unidentified related form
- †Acanthodiscus
- †Acanthodiscus subradiatus – or unidentified related form
†ActinoceramusFossilized shells of the Early-Late Cretaceous marine bivalve Actinoceramus - †Agerchlamys
- †Alpinophragmium – tentative report
- †Amblysiphonella
- †Amblysiphonella steinmanni – or unidentified comparable form
- †Amblysiphonella timorica
- †Ampakabastraea
- †Anahamulina
- †Anatropites
- †Andrazella
- †Angulobracchia
- †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
- †Arcavicula – tentative report
†ArcestesLife restoration of two species of the Late Triassic ammonoid cephalopod Arcestes - †Arcestes gigantogaleatus – or unidentified comparable form
- †Archaeocenosphaera
- †Archaeodictyomitra
- †Archaeohagiastrum
- †Archaeohagiastrum munitum – or unidentified related form
- †Archaeohagiastrum oregonense – type locality for species
- †Archaeospongoprunum
- †Arietoceltites
AstarteShell of a modern Astarte bivalve - †Astraeomorpha
- †Austrisaturnalis
- †Austrisaturnalis quadriradiatus – or unidentified related form
B
edit- †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
edit- Cadulus
†CalycocerasFossilized shell of the Late Cretaceous ammonoid cephalopod 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
- †Cassianella
- †Catoma – type locality for genus
- †Catoma concinna – type locality for species
- †Catoma geometrica – type locality for species
- †Catoma inedita – type locality for species
†CenocerasLife restoration of the Late Triassic-Middle Jurassic nautiloid cephalopod Cenoceras - †Cenoceras lupheri – type locality for species
- †Ceriostella
- †Charlottea
- †Charlottea carterae – type locality for species
- †Charlottea weedensis – or unidentified comparable form
- Chlamys
- †Chondrocoenia
- †Cleoniceras – tentative report
- †Cleoniceras dilleri – type locality for species
- †Coccophyllum – tentative report
- †Coelastarte
- †Coenastraea
- †Colospongia
- †Corum
- †Corum candidum – type locality for species
- †Corum parvum – type locality for species
- †Crassistella
- †Crassistella juvavica
- †Crassistella vesiculosa – or unidentified comparable form
- †Crenamussium
†CrioceratitesFossilized shell of the Early Cretaceous ammonoid cephalopod 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
- †Cyathocoenia
- †Cyathocoenia gerthi – or unidentified comparable form
D
edit- Dentalium
- †Diceratigalea
- †Dichotomites
- †Diplotremina
- †Discamphiceras
- †Discamphiceras ornatum – type locality for species
- †Discosiphonella
- †Discotropites
- †Distichophyllia
- †Droltus
- †Drulanta
- †Drulanta bella – type locality for species
- †Drulanta pulchra – type locality for species
E
edit- †Elodium – tentative report
- †Elysastraea
- †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
- †Erugonia
F
edit- †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
edit- †Gablonzeria
†GervilliaFossilized shell of the Carboniferous-Eocene bivalve Gervillia - †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
†GryphaeaInterior and exterior of a fossilized shell of the Late Triassic-Eocene marine bivalve Gryphaea
H
edit- †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
- †Hannaoceras
- †Hemicryptocapsa
- †Heptastylis
- †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
- †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
- †Hoplocrioceras
- †Hoplocrioceras remondi – or unidentified comparable form
†HoplopariaFossil of the Jurassic-Paleogene lobster 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
edit- †Icrioma
- †Icrioma praecipua – type locality for species
- †Icrioma transversa – type locality for species
†InoceramusFossilized shell of the Early Jurassic-Late Cretaceous marine bivalve Inoceramus with a human indicating its size - †Isocyprina
J
edit- †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
edit- †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
L
edit- †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
- †Leugeo
- †Leugeo hullae – type locality for species
- †Leugeo ordinarius
- †Leugeo parvispinata
- Lima
- †Liostrea
†LissodusElectron micrograph of fossilized teeth from the Early Jurassic-Early Cretaceous freshwater shark Lissodus - †Lissodus weltoni – type locality for species
- †Lithiotis
- †Loffa
- †Loffa lepida – type locality for species
- †Loffa vesterensis – type locality for species
- Lopha
- †Lucina
- †Lupherium
†LyellicerasFossilized shell of the Early Cretaceous ammonoid cephalopod Lyelliceras - †Lytoceras
M
edit- †Maeandrostylis
- †Maeandrostylis grandiseptus – type locality for species
- †Maeandrostylis vancouverensis
†MantellicerasFossilized shell of the Late Cretaceous ammonoid cephalopod 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
- †Meleagrinella
- †Metapolygnathus
- Milax
- Miliolipora
- †Minetrigonia
- †Minutusolla – type locality for genus
- †Minutusolla yaoi – type locality for species
- †Monotis
- †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
- †Mysidiella
- †Mysidiella americana – or unidentified comparable form
- †Mysidiella cordillerana
- †Mysidioptera
N
edit- 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
†NerineaFossilized shell of the Jurassic-Cretaceous sea snail Nerinea - †Nevadaphyllites
- 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
edit- †Occidentocerithium – type locality for genus
- †Occidentocerithium panthalassicum – type locality for species
†OlcostephanusFossilized shell of the Early Cretaceous ammonoid cephalopod Olcostephanus - †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
OstreaShell of an Ostrea, or oyster - †Otoscaphites
- †Oxytropidoceras
P
edit- †Pachus – tentative report
†PachydiscusFossilized shell of the Late Cretaceous ammonoid cephalopod 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
- †Palaxius
- †Palinandromeda
- †Pamiroseris
- †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
- †Parentactinia
- †Parentactinosphaera – tentative report
- †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
- †Parvifavus
- †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
†PeronidellaFossil of the Devonian-Cretaceous sponge Peronidella - †Phacelostylophyllum
- Pholadomya
- †Phylloceras
- †Phyllopachyceras
- †Plafkerium
- †Plafkerium robustum – type locality for species
- †Plagiostoma – tentative report
- †Planiinvoluta
- †Platymya
- †Pleesus
- †Pleesus aptus – type locality for species
- †Pleuromya
- †Pleuronectites
- Plicatula
- †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
- †Protorcula
- †Protunuma
- †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
- †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
- †Pseudospondylospira
- †Pseudostylosphaera
- †Pseudostylosphaera japonica
- †Pseudostylosphaera magnispinosa – type locality for species
- †Purpuroidea – report made of unidentified related form or using admittedly obsolete nomenclature
- †Pylostephanidium
Q
edit- †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
edit- †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
edit- †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
- †Scaphites
- †Schistophylloceras
- †Schistophylloceras aulonotum – or unidentified related form
- †Sepsagon
- †Septocardia
†ShastasaurusLife restoration of three species of the Middle-Late Triassic ichthyosaur genus 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
- †Spongiomorpha
- †Spongiomorpha acyclica
- †Spongiomorpha gibbosa – or unidentified comparable form
- †Spongiomorpha tenuis
- †Spongocapsula
- †Spongostylus
- †Stauracontium – tentative report
- †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
T
edit- †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
- †Tetragonites
- †Tetragonites glabrus
- †Tetragonites jacksonense – type locality for species
- †Tetrarchiplagia
- †Tetratrabs
- †Tetratrabs acutusspina – type locality for species
- †Tetratrabs izeensis – type locality for species
- †Tetratrabs robustusspina – type locality for species
†ThamnasteriaFossil of the Triassic-Eocene stony coral Thamnasteria - †Thamnasteriamorpha
- †Thecomeandra
- †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
- †Tozerium
- †Tragodesmoceras
- †Triactoma
- †Triassocampe
- †Triassocampe exilis – type locality for species
- †Triassocampe illyrica
- †Triassocampe immaturum
- †Triassocampe pulchra – or unidentified comparable form
- †Triassocampe sulovensis
- †Triassocingula
- †Triassocyrtium – tentative report
†TrigoniaFossilized shell of the Permian-Paleocene marine bivalve Trigonia - †Trillus
- †Trillus elkhornensis
- †Trillus seidersi – type locality for species
- †Tripocyclia
- †Tritrabs
- †Tritrabs simplex
- †Tritrabs suavis
- †Tritrabs worzeli – or unidentified comparable form
- †Triversus
- 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
TurritellaFossilized shells of the Late Jurassic-modern tower snail Turritella - †Tutcheria
U
edit- †Undularia
- †Unuma – tentative report
- †Unuma unicus – type locality for species
- †Uvanella
V
edit- †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
edit- †Wallowaconcha
- †Wallowanerita – type locality for genus
- †Wallowanerita newtonae – type locality for species
- †Wellsia
- †Weyla
- †Williriedellum
- †Wilvemia
- †Wrangellium
- †Wrangellium izeense – type locality for species
- †Wrangellium oregonense – type locality for species
- †Wrangellium thurstonense – or unidentified comparable form
X
edit- †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
Y
editZ
edit- †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
edit- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.