SC-202 (Paleogene of the United States)

Where: Park County, Wyoming (44.3° N, 109.0° W: paleocoordinates 49.6° N, 90.3° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Fort Union Formation, Clarkforkian (56.2 - 54.9 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

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

Purpose of describing collection: taxonomic analysis

PaleoDB collection 15192: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Will Clyde

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Loricata -
"Leidyosuchus formidabilis" = Borealosuchus formidabilis1
"Leidyosuchus formidabilis" = Borealosuchus formidabilis1 Erickson 1976 crocodilian
 Testudines - Macrobaenidae
"Clemmys cf. backmani" = Osteopygis backmani1
"Clemmys cf. backmani" = Osteopygis backmani1 Russell 1934 turtle
 Testudinata - Baenidae
Baenidae indet.1 Cope 1882 turtle
Mammalia
 Cimolesta - Coryphodontidae
Coryphodon sp. Owen 1845 pantodont
 Cimolesta - Cyriacotheriidae
Cyriacotherium psamminum Rose and Krause 1982 pantodont
 Macroscelidea - Apheliscidae
Apheliscus nitidus Simpson 1937 elephant shrew
 Theriamorpha - Viverravidae
Viverravus politus2 Matthew and Granger 1915 placental
Didymictis protenus Cope 1874 placental
 Theriamorpha - Phenacodontidae
Ectocion osbornianus Cope 1882 condylarth
Phenacodus intermedius3 Granger 1915 condylarth
 Theriamorpha - Pantolestoidae
Palaeosinopa sp. Matthew 1901 placental
 Dermoptera -
Plagiomene accola Rose 1981 colugo