SC-135 (Paleogene 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 (56.2 - 54.9 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 15158: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Will Clyde

Creative Commons license: CC BY (attribution)

Taxonomic list

• level given as "about" 1200 m by Gingerich and Gunnell 1979
Reptilia
 Testudines - Emydidae
Emydidae "indet. A"2 Rafinesque 1815 turtle
Mammalia
 Cimolesta -
"Esthonyx xenicus" = Azygonyx xenicus
"Esthonyx xenicus" = Azygonyx xenicus Gingerich and Gunnell 1979 tillodont
 Placentalia -
Rodentia indet.1 Bowdich 1821 rodent
 Dinocerata - Prodinoceratidae
Probathyopsis praecursor Simpson 1929 uintathere