GR-11 (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: P. D. Gingerich and H. A. Deutsch. 1989. Systematics and Evolution of Early Eocene Hyaenodontidae (Mammalia, Creodonta) in the Clarks Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 27(13):327-391 [J. Alroy/J. Alroy/J. Marcot]more details
PaleoDB collection 15620: authorized by John Alroy, entered by John Alroy on 27.09.1993
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Mammalia | |
Tritemnodon strenuus Cope 1875 creodont
Prototomus secundarius Cope 1875 creodont |