USGS D-1931 (Eocene of the United States)
Where: Big Horn County, Wyoming (44.5° N, 108.0° W: paleocoordinates 49.2° N, 90.8° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Willwood Formation, Wasatchian (55.8 - 50.3 Ma)
Environment/lithology: terrestrial
Reposited in the USGS
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 15526: authorized by John Alroy, entered by John Alroy on 12.04.1997
Creative Commons license: CC BY (attribution)
Taxonomic list
• 315 m level
Show authors, comments, and common names
| Mammalia | |
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Cantius frugivorus Cope 1875 primate
Cantius abditus Gingerich and Simons 1977 primate | |