Where: Park County, Wyoming (44.3° N, 109.0° W: paleocoordinates 49.7° N, 90.3° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Clarkforkian (56.2 - 54.9 Ma)

• said to be Clarkforkian

Environment/lithology: terrestrial

Primary reference: P. D. Gingerich and G. F. Gunnell. 1979. Systematics and Evolution of the Genus Esthonyx (Mammalia, Tillodontia) in the Early Eocene of North America. Contributions from the Museum of Paleontology, University of Michigan 25(7):125-153 [J. Alroy/J. Alroy/P. Mannion]more details

PaleoDB collection 15088: authorized by John Alroy, entered by John Alroy on 15.05.2002

Creative Commons license: CC BY (attribution)