SC-230 (Paleocene of the United States)

Where: Park County, Wyoming (44.3° N, 109.0° W: paleocoordinates 49.7° N, 90.3° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Clarkforkian (56.8 - 55.8 Ma)

Environment/lithology: terrestrial

Reposited in the UMMP

Primary reference: K. D. Rose. 1981. The Clarkforkian Land-Mammal Age and Mammalian Faunal Composition Across the Paleocene-Eocene Boundary. University of Michigan Papers on Paleontology 26:1-197 [J. Alroy/J. Alroy/P. Mannion]more details

PaleoDB collection 15205: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Theriamorpha - Phenacodontidae
Ectocion osbornianus Cope 1882 condylarth
Phenacodus intermedius Granger 1915 condylarth
 Theriamorpha - Viverravidae
Didymictis protenus Cope 1874 placental
Viverravus politus Matthew and Granger 1915 placental
confirmed by Polly 1997
 Cimolesta -
"Esthonyx grangeri" = Azygonyx grangeri
"Esthonyx grangeri" = Azygonyx grangeri Simpson 1937 tillodont