Crest of Hogsback Ridge (Paleocene of the United States)

Where: Lincoln County, Wyoming (41.8° N, 110.7° W: paleocoordinates 48.0° N, 91.4° W)

• coordinate based on political unit

When: Chappo Member (Wasatch Formation), Tiffanian (61.7 - 56.8 Ma)

Environment/lithology: terrestrial

Primary reference: J. A. Dorr, Jr. and P. D. Gingerich. 1980. Early Cenozoic mammalian paleontology, geologic structure, and tectonic history in the overthrust belt near LaBarge, western Wyoming. Contributions to Geology, University of Wyoming 18(2):101-115 [J. Alroy/J. Alroy/M. Uhen]more details

PaleoDB collection 14940: authorized by John Alroy, entered by John Alroy on 30.04.1994

Creative Commons license: CC BY (attribution)

Taxonomic list

• age anywhere between Tiffianian and Lostcabinian
Mammalia
 Theriamorpha - Phenacodontidae
Phenacodus sp. Cope 1873 condylarth
Ectocion sp. Cope 1882 condylarth