SC-50 (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 15109: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Will Clyde

Creative Commons license: CC BY (attribution)

Taxonomic list

• meter level said to be 1425 by Gunnell and Gingerich 1991 but appears to be 1420 in fig. 3
Reptilia
 Testudines - Panemydidae
Emydidae "indet. B"2 Rafinesque 1815 turtle
Emydidae "indet. A"2 Rafinesque 1815 turtle
 Squamata - Anguidae
Melanosaurus maximus2 Gilmore 1928 lizard
Mammalia
 Cimolesta - Pantolestidae
Palaeosinopa sp. Matthew 1901 eutherian
 Primates - Plesiadapidae
Plesiadapis dubius Matthew 1915 primate
 Primates - Paromomyidae
Phenacolemur praecox Matthew 1915 primate
 Glires -
Rodentia indet.1 Savage 1951 rodent
 Amblypoda - Prodinoceratidae
Probathyopsis praecursor Simpson 1929 uintathere
 Tribosphenida - Phenacodontidae
Ectocion osbornianus Cope 1882 condylarth
Phenacodus intermedius4 Granger 1915 condylarth
 Creodonta - Oxyaenidae
Dipsalidictis krausei3 Gunnell and Gingerich 1991 creodont
 Ferae - Viverravidae
Didymictis protenus Cope 1874 placental
Viverravus politus Matthew and Granger 1915 placental
 Macroscelidea -
"cf. Diacocherus minutus" = Adunator minutus1
"cf. Diacocherus minutus" = Adunator minutus1 Jepsen 1930 elephant shrew