Boysen Reservoir (48FR75) (Eocene of the United States)

Where: Fremont County, Wyoming (43.2° N, 108.2° W: paleocoordinates 48.0° N, 91.4° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Wind River Formation, Wasatchian (55.8 - 50.3 Ma)

Environment/lithology: terrestrial

Primary reference: T. E. White. 1952. Preliminary analysis of the vertebrate fossil fauna of the Boysen Reservoir area. Proceedings of the United States National Museum 102(3296):185-207 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 15905: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Perissodactyla - Brontotheriidae
Lambdotherium popoagicum Cope 1880 brontothere
 Perissodactyla -
Heptodon posticus1 Cope 1882 odd-toed ungulate
 Theriamorpha - Viverravidae
Didymictis altidens Cope 1880 placental
 Condylarthra - Hyopsodontidae
Hyopsodus walcottianus2 Matthew 1915 condylarth