Where: Uintah County, Utah (40.2° N, 109.9° W: paleocoordinates 43.0° N, 98.9° W)

• coordinate based on political unit

When: Brennan Basin Member (Duchesne River Formation), Uintan (46.2 - 40.4 Ma)

Environment/lithology: terrestrial

Primary reference: O. A. Peterson. 1934. Annals of Carnegie Museum 23:373-389 [J. Alroy/J. Alroy] more details

PaleoDB collection 16555: authorized by John Alroy, entered by John Alroy on 21.09.1998

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