Where: Johnson County, Wyoming (44.0° N, 106.6° W: paleocoordinates 48.5° N, 89.4° W)

• coordinate based on political unit

When: "Wasatch" Formation, Wasatchian (55.8 - 50.3 Ma)

Environment/lithology: terrestrial

Primary reference: E. Delson. 1971. Bulletin of the American Museum of Natural History 146(4) [J. Alroy/J. Alroy] more details

PaleoDB collection 16020: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)