SC-254 (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: G. F. Gunnell. 1985. Systematics of Early Eocene Microsyopinae (Mammalia, Primates) in the Clark's Fork Basin, Wyoming. Contributions from the Museum of Paleontology, University of Michigan 27(2):51-71 [J. Alroy/J. Alroy/M. Uhen]more details

PaleoDB collection 15804: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Primates - Microsyopidae
Arctodontomys nuptus Cope 1882 primate
 Perissodactyla - Equidae
"Hyracotherium aemulor" = Arenahippus aemulor1
"Hyracotherium aemulor" = Arenahippus aemulor1 Gingerich 1991 horse
 Creodonta - Hyaenodontidae
Prototomus robustus2 Matthew and Granger 1915 creodont