Earth:Nestucca Formation

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Nestucca Formation
Stratigraphic range: Bartonian-Priabonian
~40–34 Ma
TypeFormation
Lithology
PrimarySiltstone
OtherSandstone, shale
Location
Coordinates [ ⚑ ] : 45°12′N 124°00′W / 45.2°N 124.0°W / 45.2; -124.0
Paleocoordinates [ ⚑ ] 45°30′N 111°42′W / 45.5°N 111.7°W / 45.5; -111.7
RegionTillamook County, Oregon
Country United States
Type section
Named forNestucca River
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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]

Fossil content

The formation has provided fossils of:[1]

Vertebrates

Mammals
Fish

Invertebrates

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

See also

  • List of fossiliferous stratigraphic units in Oregon
  • Paleontology in Oregon
  • Alsea Formation

References

  1. ↑ 1.0 1.1 Nestucca Formation at Fossilworks.org
  2. ↑ 2.0 2.1 2.2 2.3 Welton, 1972
  3. ↑ 3.0 3.1 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 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.