SC-70 (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 15122: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Will Clyde

Creative Commons license: CC BY (attribution)

Taxonomic list

• Chron 24R: Butler et al. 1981
Reptilia
 Squamata - Anguidae
Melanosaurus maximus2 Gilmore 1928 squamates
Mammalia
 Macroscelidea - Apheliscidae
Apheliscus nitidus Simpson 1937 elephant shrew
Haplomylus simpsoni Rose 1981 elephant shrew
Aletodon gunnelli Gingerich 1977 elephant shrew
 Acreodi - Mesonychidae
Dissacus praenuntius Matthew and Granger 1915 condylarth
 Creodonta - Oxyaenidae
Dipsalidictis sp.1 Matthew and Granger 1915 creodont
 Theriamorpha - Viverravidae
Viverravus politus Matthew and Granger 1915 placental
confirmed by Polly 1997
 Theriamorpha - Phenacodontidae
Ectocion osbornianus Cope 1882 condylarth
 Dinocerata - Prodinoceratidae
Probathyopsis praecursor Simpson 1929 uintathere