SC-88 (Eocene of the United States)

Where: Park County, Wyoming (44.3° N, 109.0° W: paleocoordinates 49.2° N, 91.9° W)

• coordinate based on political unit

• small collection-level geographic resolution

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

Environment/lithology: terrestrial

Reposited in the UMMP

Primary reference: P. D. Gingerich and H. A. Deutsch. 1989. Systematics and Evolution of Early Eocene Hyaenodontidae (Mammalia, Creodonta) in the Clarks Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 27(13):327-391 [J. Alroy/J. Alroy/J. Marcot]more details

PaleoDB collection 15763: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Perissodactyla - Equidae
"Hyracotherium grangeri" = Sifrhippus grangeri1
"Hyracotherium grangeri" = Sifrhippus grangeri1 Gingerich 1989 horse
 Creodonta - Hyaenodontidae
Prototomus martis Gingerich and Deutsch 1989 creodont
 Theriamorpha - Viverravidae
Didymictis protenus2 Cope 1874 placental
Viverravus politus2 Matthew and Granger 1915 placental