Where: Logan County, Colorado (40.8° N, 103.1° W: paleocoordinates 41.8° N, 95.8° W)

• coordinate based on political unit

When: Vista Member (White River Formation), Whitneyan (33.3 - 30.8 Ma)

Environment/lithology: terrestrial

Primary reference: E. C. Galbreath. 1953. University of Kansas Paleontological Contributions Vertebrata 4 [J. Alroy/J. Alroy] more details

PaleoDB collection 17426: authorized by John Alroy, entered by John Alroy on 18.02.1993

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