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Keasey - Upper, Oregon, USA

FormationKeasey
MemberUpper
Age:38.0 - 33.9 Ma
Paleogene
IntervalPriabonian - Rupelian
Lithologysiltstone/mudstone
Number of Collections3
Number of Occurrences28

Recorded Sample Locations

LocationRegionStratigraphic Name
Lower memberTillamook County, Oregon, USAKeasey - Upper
Columbia Washington County, Oregon, USAKeasey - Upper

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Keasey - Lower38.0 - 28.1 Ma
Paleogene
siltstone/mudstone129
Keasey - Middle37.2 - 28.1 Ma
Paleogene
siltstone/mudstone, "carbonate", siltstone, mudstone351

Recorded Fossils

Accepted NameHierarchyAge
Neverita (Neverita) washingtonensis
species
7Animalia : Mollusca : Gastropoda : Naticidae : Neverita : Neverita (Neverita) washingtonensis38 - 28.1 Ma
Paleogene
Moerella quasimacoma
species
7Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : Moerella : Moerella quasimacoma38 - 28.1 Ma
Paleogene
Scaphander sp.
genus
6Animalia : Mollusca : Gastropoda : Cephalaspidea : Cylichnidae : Scaphander38 - 28.1 Ma
Paleogene
Bonellitia sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Cancellariidae : Bonellitia38 - 28.1 Ma
Paleogene
Turricula sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Clavatulidae : Turricula38 - 33.9 Ma
Paleogene
Conomitra sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Volutomitridae : Conomitra38 - 28.1 Ma
Paleogene
Perse pittsburgensis
species
7Animalia : Mollusca : Gastropoda : Neogastropoda : Fasciolariidae : Perse : Perse pittsburgensis38 - 28.1 Ma
Paleogene
Trophonopsis sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Muricidae : Trophonopsis38 - 28.1 Ma
Paleogene
Comitas sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Pseudomelatomidae : Comitas38 - 28.1 Ma
Paleogene
Acamptogenotia sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Turridae : Acamptogenotia38 - 28.1 Ma
Paleogene
Procerapex sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Turridae : Procerapex38 - 28.1 Ma
Paleogene
Ptychosyrinx sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Turridae : Ptychosyrinx38 - 28.1 Ma
Paleogene
Turrinosyrinx sp.
genus
6Animalia : Mollusca : Gastropoda : Neogastropoda : Turridae : Turrinosyrinx38 - 28.1 Ma
Paleogene
Olequahia sp.
genus
6Animalia : Mollusca : Gastropoda : Littorinimorpha : Bursidae : Olequahia38 - 28.1 Ma
Paleogene
Bathybembix sp.
genus
6Animalia : Mollusca : Gastropoda : Seguenziida : Eucyclidae : Bathybembix38 - 28.1 Ma
Paleogene
Bathybembix nitor
species
7Animalia : Mollusca : Gastropoda : Seguenziida : Eucyclidae : Bathybembix : Bathybembix nitor38 - 28.1 Ma
Paleogene
Echinophoria dalli
species
7Animalia : Mollusca : Gastropoda : Cassidae : Echinophoria : Echinophoria dalli38 - 28.1 Ma
Paleogene
Epitonium sp.
genus
6Animalia : Mollusca : Gastropoda : Epitoniidae : Epitonium38 - 28.1 Ma
Paleogene
Epitonium (Boreoscala) sp.
subgenus
6.3Animalia : Mollusca : Gastropoda : Epitoniidae : Epitonium : Epitonium (Boreoscala)38 - 33.9 Ma
Paleogene
Epitonium (Boreoscala) keaseyense
species
7Animalia : Mollusca : Gastropoda : Epitoniidae : Epitonium : Epitonium (Boreoscala) keaseyense38 - 28.1 Ma
Paleogene
Natica (Natica) weaveri
species
7Animalia : Mollusca : Gastropoda : Naticidae : Natica : Natica (Natica) weaveri38 - 28.1 Ma
Paleogene
Neverita sp.
genus
6Animalia : Mollusca : Gastropoda : Littorinimorpha : Naticidae : Neverita38 - 33.9 Ma
Paleogene
Polinices (Euspira) clementensis
species
7Animalia : Mollusca : Gastropoda : Naticidae : Euspira : Polinices (Euspira) clementensis38 - 33.9 Ma
Paleogene
Polinices (Euspira) nuciformis
species
7Animalia : Mollusca : Gastropoda : Naticidae : Euspira : Polinices (Euspira) nuciformis38 - 33.9 Ma
Paleogene
Sinum obliquum
species
7Animalia : Mollusca : Gastropoda : Littorinimorpha : Naticidae : Sinum : Sinum obliquum38 - 28.1 Ma
Paleogene
Argobuccinum sp.
genus
6Animalia : Mollusca : Gastropoda : Littorinimorpha : Cymatiidae : Argobuccinum38 - 28.1 Ma
Paleogene
Turritella sp.
genus
6Animalia : Mollusca : Gastropoda : Turritellidae : Turritella38 - 33.9 Ma
Paleogene
Turritella keaseyensis
species
7Animalia : Mollusca : Gastropoda : Turritellidae : Turritella : Turritella keaseyensis38 - 28.1 Ma
Paleogene

References

Hickman C. S. (1980) Paleogene Marine Gastropods of the Keasey Formation in Oregon, Bulletins of American Paleontology 78 310, 1-112
Hickman C. S. (2015) Paleogene marine bivalves of the deep-water Keasey Formation in Oregon, Part III: The heteroconchs, PaleoBios 32, 1-44
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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