Powder River (UCM 8430) (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
• small collection-level geographic resolution
When: Wasatchian (55.8 - 50.3 Ma)
Environment/lithology: terrestrial
Reposited in the UCM
Primary reference: M. C. Maas and M. O'Leary. 1996. Evolution of molar enamel microstructure in North American Notharctidae (primates). Journal of Human Evolution 31 [J. Alroy/J. Alroy/J. Ju]more details
PaleoDB collection 16037: authorized by John Alroy, entered by John Alroy on 15.05.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
• strat level not indicated
Show authors, comments, and common names
| Mammalia | |
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Cantius mckennai Gingerich and Simons 1977 primate | |