SC-153 (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 15165: authorized by John Alroy, entered by John Alroy on 18.02.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• level appears to be 1500 m in fig. 3 but Gunnell and Gingerich 1991b give it as 1505 m
 Cimolesta - Coryphodontidae
Coryphodon sp. Owen 1845 pantodont
 Cimolesta -
"Esthonyx grangeri" = Azygonyx grangeri
"Esthonyx grangeri" = Azygonyx grangeri Simpson 1937 tillodont
 Glires -
Rodentia indet.1 Savage 1951 rodent
 Condylarthra - Hyopsodontidae
Hyopsodus sp. Leidy 1870 condylarth
 Tribosphenida - Phenacodontidae
Ectocion osbornianus Cope 1882 condylarth
Phenacodus vortmani Cope 1880 condylarth
 Creodonta - Oxyaenidae
Palaeonictis peloria Rose 1981 creodont
 Ferae - Viverravidae
Didymictis proteus2 Polly 1997 placental
 Macroscelidea - Apheliscidae
Aletodon gunnelli Gingerich 1977 elephant shrew
Haplomylus simpsoni Rose 1981 elephant shrew