SC-120 (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 15155: 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 given by Gunnell and Gingerich 1991
Reptilia
 Loricata -
"Leidyosuchus formidabilis" = Borealosuchus formidabilis2
"Leidyosuchus formidabilis" = Borealosuchus formidabilis2 Erickson 1976 crocodilian
 Testudines - Emydidae
Emydidae "indet. A"2 Rafinesque 1815 turtle
 Testudines - Kinosternoidea
Cardichelyon rogerwoodi3 Hutchison 2013 mud turtle
Mammalia
 Multituberculata - Neoplagiaulacidae
Ectypodus powelli Jepsen 1940 multituberculate
 Theriamorpha - Phenacodontidae
Phenacodus intermedius6 Granger 1915 condylarth
Ectocion osbornianus Cope 1882 condylarth
 Creodonta - Oxyaenidae
Dipsalidictis aequidens1 Matthew and Granger 1915 creodont
 Theriamorpha - Viverravidae
Didymictis proteus4 Polly 1997 placental
 Primates - Plesiadapidae
Plesiadapis cookei Jepsen 1930 primate
 Primates - Paromomyidae
Ignacius graybullianus Bown and Rose 1976 primate
 Theriamorpha - Plagiomenidae
Plagiomenidae indet.5 Matthew 1918 placental
 Cimolesta - Coryphodontidae
Coryphodon sp. Owen 1845 pantodont
 Dinocerata - Prodinoceratidae
Probathyopsis praecursor Simpson 1929 uintathere