Powder River 51-20/21/22/23/24 (Eocene of the United States)
Where: Johnson County, Wyoming (44.0° N, 106.6° W: paleocoordinates 48.5° N, 89.4° W)
• coordinate based on political unit
When: "Wasatch" Formation, Wasatchian (55.8 - 50.3 Ma)
Environment/lithology: terrestrial
Primary reference: E. Delson. 1971. Fossil mammals of the early Wasatchian Powder River local fauna, Eocene of northeast. Bulletin of the American Museum of Natural History 146(4) [J. Alroy/J. Alroy/M. Uhen]more details
PaleoDB collection 16020: authorized by John Alroy, entered by John Alroy on 18.02.1993
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Mammalia | |
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Coryphodon sp. Owen 1845 pantodont | |
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Ectocion osbornianus Cope 1882 condylarth | |
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Erinaceidae indet.5 Fischer von Waldheim 1817 hedgehog "possibly" Dartonius jepseni; includes "cf. 'Leptacodon' jepseni"; "Nyctitheriidae indet." of Bown and Schankler 1982
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"Haplomylus speirianus" = Microsyops speirianus Cope 1880 primate |