Where: Pennington and Scenic County, South Dakota (43.9° N, 102.5° W: paleocoordinates 45.0° N, 94.3° W)

When: upper Scenic Member (Brule Formation), Orellan (33.9 - 33.3 Ma)

Environment/lithology: terrestrial

Reposited in the AMNH

Primary reference: H. F. Osborn and J. L. Wortman. 1894. Fossil mammals of the Lower Miocene White River beds. Collection of 1892. Bulletin of the American Museum of Natural History 6(7):199-228 [J. Alroy/J. Alroy/M. Carrano] more details

See also Alroy 2002, Osborn 1904

PaleoDB collection 17142: authorized by J. Alroy, entered by J. Alroy on 18.10.1995