List of the prehistoric life of Washington

Precambrian

The Paleobiology Database records no known occurrences of Precambrian fossils in Washington.

Paleozoic

• †Alternifenestella
  • †Alternifenestella vagrantia – type locality for species
• †Coeloclemis
  • †Coeloclemis urhausenii – type locality for species
• †Dybowskiella
• †Dyscritella
  • †Dyscritella iwaizakiensis
• †Dyscritellina
• †Fistulamina – tentative report
• †Fistulipora
• †Fistuliramus
  • †Fistuliramus pacificus – type locality for species
• †Hayasakapora
  • †Hayasakapora erectoradiata – or unidentified comparable form
• †Hyolithellus

• 

  Illustration of a fossilized shell of the brachiopod Kutorgina

  †Kutorgina
• †Mackinneyella
  • †Mackinneyella stylettia – type locality for species
• †Meekoporella
  • †Meekoporella inflecta – type locality for species
• †Micromitra
• †Nematopora
• †Neoeridotrypella
  • †Neoeridotrypella missionensis – type locality for species

• 

  Fossil of the Cambrian trilobite Nevadia

  †Nevadia
• †Pamirella
  • †Pamirella oculus – type locality for species
• †Parapolypora
• †Pinegopora
  • †Pinegopora petita – type locality for species
• †Polypora
  • †Polypora arbusca – type locality for species
• †Polyporella
• †Pseudobatostomella
• †Rhombopora – tentative report
• †Rhombotrypella
  • †Rhombotrypella kettlensis – type locality for species
• †Sakagamiina – type locality for genus
  • †Sakagamiina easternensis – type locality for species
• †Stenopora
• †Streblotrypa – tentative report
• †Tabulipora
  • †Tabulipora colvillensis – type locality for species
• †Wjatkella
  • †Wjatkella nanea – type locality for species

Mesozoic

• †Anchura
  • †Anchura falciformis
• †Canadoceras
  • †Canadoceras newberryanum
  • †Canadoceras sp.
• †Desmophyllites
  • †Desmophyllites diphylloides
• †Dieneroceras
  • †Dieneroceras dieneri – or unidentified comparable form
• †Epigondolella
  • †Epigondolella abneptis
• †Fenestracarpa – type locality for genus[1]
  • †Fenestracarpa washingtonensis – type locality for species[1]
• †Gaudryceras
  • †Gaudryceras denmanense – or unidentified comparable form
• †Homolsomites
  • †Homolsomites mutabilis
• †Hoplitoplacenticeras
  • †Hoplitoplacenticeras sp.

• 

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

  †Inoceramus
  • †Inoceramus subundatus
  • †Inoceramus vancouverensis
• †Juvenites
  • †Juvenites septentrionalis – or unidentified comparable form
• †Neophylloceras
  • †Neophylloceras ramosum – or unidentified comparable form
• †Olcostephanus
  • †Olcostephanus pecki – or unidentified comparable form
• †Owenites
  • †Owenites koeneni

• 

  Fossilized shell of the Late Cretaceous ammonoid cephalopod Pachydiscus

  †Pachydiscus
  • †Pachydiscus buckhami
• Palaeocypraea
  • †Palaeocypraea suciensis – type locality for species
• †Pentzia
  • †Pentzia hilgardi
• †Perissitys
  • †Perissitys brevirostris
• †Pseudocymia – tentative report
  • †Pseudocymia cahalli
• †Pseudoxybeloceras
  • †Pseudoxybeloceras lineatum – or unidentified comparable form
• †Sucia – type locality for genus
  • †Sucia suavis – type locality for species

Cenozoic

Main article: List of the Cenozoic life of Washington (state)

References

1. Nguyen, A. T.; Atkinson, B. A. (2024). "Cretaceous and Paleocene fossils reveal an extinct higher clade within Cornales, the dogwood order". American Journal of Botany. e16372. doi:10.1002/ajb2.16372. PMID 39010697.

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