Powder River (Lower) (Paleogene of the United States)
Where: Big Horn County, Wyoming (44.5° N, 108.0° W: paleocoordinates 49.7° N, 89.2° W)
• coordinate based on political unit
When: "Wasatch" Formation, Clarkforkian (56.2 - 54.9 Ma)
Environment/lithology: terrestrial
Primary reference: K. D. Rose and T. M. Bown. 1982. New Plesiadapiform Primates from the Eocene of Wyoming and Montana. Journal of Vertebrate Paleontology 2(1):63-69 [J. Alroy/J. Alroy/J. Ju]more details
PaleoDB collection 15090: authorized by John Alroy, entered by John Alroy on 27.07.1994
Creative Commons license: CC BY (attribution)
Taxonomic list
• "stratigraphically much lower than the Powder River local fauna"
Show authors, comments, and common names
| Mammalia | |
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Plagiomenidae indet. Matthew 1918 placental "closest to... Plagiomene accola and Planetetherium mirabile"
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Tinimomys graybulliensis Szalay 1974 primate | |