SC-250 (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 15212: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Will Clyde and Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• level unknown
Mammalia
 Theriamorpha - Stylinodontidae
Ectoganus sp.1 Cope 1874 taeniodont
 Primates - Plesiadapidae
Plesiadapis dubius Matthew 1915 primate
 Creodonta - Oxyaenidae
Tytthaena lichna1 Rose 1981 creodont
 Theriamorpha - Viverravidae
Didymictis cf. dellensis3 Dorr 1952 placental
 Theriamorpha - Phenacodontidae
Ectocion osbornianus Cope 1882 condylarth
Phenacodus intermedius4 Granger 1915 condylarth
Reptilia
 Testudines - Emydidae
Emydidae "indet. B"2 Rafinesque 1815 turtle
 Choristodera -
Champsosaurus gigas2 Erickson 1972 choristodere