East Pilgrim 11 ( of the United States)

Also known as UWBM loc. CO239

Where: Teton County, Wyoming (43.9° N, 110.8° W: paleocoordinates 45.0° N, 105.0° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Unit 5 Member (Colter Formation), Arikareean (30.8 - 20.4 Ma)

• said to be late Arikareean

Environment/lithology: terrestrial

Primary reference: A. D. Barnosky. 1986. Arikareean, Hemingfordian, and Barstovian Mammals From the Miocene Colter Formation, Jackson Hole, Teton County, Wyoming. Bulletin of Carnegie Museum of Natural History 26:1-69 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 18883: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)

Taxonomic list

• only one specimen
 Ungulata - Merycoidodontidae
Merychyus arenarum Cope 1884 oreodont