Nestucca Formation

The Nestucca Formation is a geologic formation in Oregon. It preserves fossils dating back to the Bartonian to Priabonian stages of the Eocene period.[1]

Nestucca Formation
Stratigraphic range: Bartonian-Priabonian
~
TypeFormation
Lithology
PrimarySiltstone
OtherSandstone, shale
Location
Coordinates45.2°N 124.0°W / 45.2; -124.0
Approximate paleocoordinates45.5°N 111.7°W / 45.5; -111.7
RegionTillamook County, Oregon
Country United States
Type section
Named forNestucca River
Nestucca Formation (the United States)
Nestucca Formation (Oregon)

Fossil content

The formation has provided fossils of:[1]

Vertebrates
Mammals
Fish

Invertebrates
Gastropods
  • Calliovarica oregonensis[4]
Bivalves
  • Nucinella oregona[5]
Decapods

See also

References
  1. Nestucca Formation at Fossilworks.org
  2. Welton, 1972
  3. Welton, 1974
  4. Hickman, 2018
  5. Vokes, 1956
  6. Feldmann, 1989

Bibliography
  • Hickman, C. S. 2018. A new Calliovarica species (Seguenzioidea: Chilodontidae) from the Eocene of Oregon, USA: Persistence of a relict Mesozoic gastropod group in a unique forearc tectonic setting. PaleoBios 35. 1–10.
  • Feldmann, R. M. 1989. Lyreidus alseanus Rathbun from the Paleogene of Washington and Oregon, U.S.A.. Annals of the Carnegie Museum 58. 61–70.
  • Welton, B. J. 1974. Heptranchias howellii (Reed, 1946) (Selachii: Hexanchidae) in the Eocene of the United States and British Columbia. PaleoBios 17. 1–15.
  • Welton, B. J. 1972. Fossil sharks in Oregon. The Ore Bin 34. 161–170.
  • Vokes, H. E. 1956. Notes on the Nucinellidae (Pelecypoda) with description of a new species from the Eocene of Oregon. Journal of Paleontology 30. 652–671.
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