CM 681 (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
Primary reference: D. W. Krause. 1982. Multituberculates from the Wasatchian Land-Mammal Age, Early Eocene, of Western North America. Journal of Paleontology 56(2):271-294 [J. Alroy/J. Alroy/J. Ju]more details
PaleoDB collection 15466: authorized by John Alroy, entered by John Alroy on 27.09.1993
Creative Commons license: CC BY (attribution)
Taxonomic list
• county line is about 25 mi W of Basin, making county assignment almost certain
Show authors, comments, and common names
| Mammalia | |
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Diacodexis primus Krishtalka and Stucky 1985 even-toed ungulate | |
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Parectypodus lunatus Krause 1982 multituberculate
Ectypodus tardus Jepsen 1940 multituberculate | |