SC-52 (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 15110: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• level unknown (?)
Mammalia
 Primates - Paromomyidae
Phenacolemur praecox Matthew 1915 primate
 Theriamorpha - Phenacodontidae
Ectocion osbornianus Cope 1882 condylarth
Phenacodus intermedius3 Granger 1915 condylarth
 Procreodi - Arctocyonidae
Princetonia yalensis1 Gingerich 1989 condylarth
Thryptacodon cf. antiquus Matthew and Granger 1915 condylarth
 Theriamorpha - Viverravidae
Didymictis proteus2 Polly 1997 placental
Viverravus politus Matthew and Granger 1915 placental
confirmed by Polly 1997
 Macroscelidea - Apheliscidae
Haplomylus simpsoni Rose 1981 elephant shrew