Where: Beaverhead County, Montana (45.0° N, 112.8° W: paleocoordinates 46.9° N, 104.0° W)

• coordinate based on political unit

When: Chadronian (37.2 - 33.9 Ma)

• said to be Chadronian

Environment/lithology: terrestrial

Primary reference: M. R. Thorpe. 1937. The Merycoidodontidae, an extinct group of ruminant mammals. Peabody Museum of Natural History Memoir 3(4):1-428 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 16909: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)