GR-7 (Eocene of the United States)

Where: Big Horn County, Wyoming (44.5° N, 108.0° W: paleocoordinates 49.2° N, 90.8° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Willwood Formation, Wasatchian (55.8 - 50.3 Ma)

Environment/lithology: terrestrial

Primary reference: P. D. Gingerich. 1983. Paleocene-Eocene faunal zones and a preliminary analysis of Laramide structural deformation in the Clarks Fork Basin, Wyoming. Wyoming Geological Association Guidebook 34:185-195 [J. Alroy/J. Alroy/M. Uhen]more details

PaleoDB collection 15618: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Creodonta - Oxyaenidae
Oxyaena forcipata Cope 1874 creodont
 Theriamorpha -
Miacis petilus Gingerich 1983 placental