The Pysht Formation is a geologic formation in Washington (state). It preserves fossils dating back to the Paleogene period.
| Pysht Formation | |
|---|---|
| Stratigraphic range: Paleogene | |
 Fossil from the Pysht Formation | |
| Type | Geological formation |
| Location | |
| Region |  Washington (state) |
| Country |  United States |
Fossil content edit
Mammals edit
| Mammals | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Pinnarctidion | P. iverseni | A nearly complete skull and limited postcrania (SDSNH 146624).[1] | A pan-pinniped. | ||
Crustaceans edit
| Crustaceans | |||||
|---|---|---|---|---|---|
| Genus | Species | Presence | Material | Notes | Images |
| Upogebia | U. barti | Locality RB 18.[2] | Multiple specimens.[2] | An upogebiid mud shrimp. | |
See also edit
References edit
- ^ Everett, Christopher J.; Deméré, Thomas A.; Wyss, André R. (2023-03-23). "A new species of Pinnarctidion from the Pysht Formation of Washington State (U.S.A.) and a phylogenetic analysis of basal pan-pinnipeds (Eutheria, Carnivora)". Journal of Vertebrate Paleontology. 42 (3): e2178930. doi:10.1080/02724634.2023.2178930. ISSN 0272-4634. S2CID 257731013.
- ^ a b Fraaije, R. (January 2006). "Two new Paleogene species of mud shrimp (Crustacea, Decapoda, Upogebiidae) from Europe and North America". Bulletin of the Mizunami Fossil Museum (33): 81–89.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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