Where: Sheridan County, Nebraska (42.7° N, 102.5° W: paleocoordinates 43.5° N, 96.7° W)

• coordinate based on political unit

When: Arikareean (30.8 - 20.4 Ma)

Environment/lithology: terrestrial

Primary reference: C. B. Schultz and C. H. Falkenbach. 1968. Bulletin of the American Museum of Natural History 139 [J. Alroy/J. Alroy] more details

PaleoDB collection 17503: authorized by John Alroy, entered by John Alroy on 15.05.2002

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