Where: Laramie County, Wyoming (41.3° N, 105.1° W: paleocoordinates 41.7° N, 103.2° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Ash Hollow Formation, Clarendonian to Clarendonian (13.6 - 10.3 Ma)

Environment/lithology: terrestrial

Primary reference: M. Cassiliano. 1980. Contributions to Geology, University of Wyoming 19(1) [J. Alroy/J. Alroy] more details

PaleoDB collection 18146: authorized by John Alroy, entered by John Alroy on 05.08.1992

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