Where: Dawes County, Nebraska (42.8° N, 103.1° W: paleocoordinates 43.5° N, 99.2° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Hemingfordian (20.4 - 16.0 Ma)

Environment/lithology: terrestrial

Primary reference: C. Frick. 1937. Horned ruminants of North America. Bulletin of the American Museum of Natural History 69:1-669 [J. Alroy/J. Alroy/M. Uhen]more details

PaleoDB collection 17916: authorized by John Alroy, entered by John Alroy on 15.05.2002

Creative Commons license: CC BY (attribution)