Where: Keya Paha County, Nebraska (42.8° N, 99.7° W: paleocoordinates 43.2° N, 97.1° W)

• coordinate based on political unit

When: Burge Member (Valentine Formation), Clarendonian (12.5 - 9.4 Ma)

Environment/lithology: terrestrial

Primary reference: M. F. Skinner and F. W. Johnson. 1984. Tertiary stratigraphy and the Frick Collection of fossil vertebrates from north-central Nebraska. Bulletin of the American Museum of Natural History 178(3):1-368 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 18427: authorized by John Alroy, entered by John Alroy on 15.05.2002

Creative Commons license: CC BY (attribution)