SC-108 (Paleocene 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 (56.8 - 55.8 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 15147: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Will Clyde

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Placentalia -
Rodentia indet.1 Bowdich 1821 rodent
 Theriamorpha - Phenacodontidae
Ectocion osbornianus Cope 1882 condylarth
Phenacodus vortmani Cope 1880 condylarth
Phenacodus intermedius3 Granger 1915 condylarth
 Macroscelidea - Apheliscidae
Aletodon gunnelli Gingerich 1977 elephant shrew
Apheliscus nitidus Simpson 1937 elephant shrew
Haplomylus simpsoni Rose 1981 elephant shrew
 Cimolesta - Pantolestidae
Palaeosinopa sp. Matthew 1901 eutherian
 Cimolesta - Coryphodontidae
Coryphodon sp. Owen 1845 pantodont
Reptilia
 Loricata -
"Leidyosuchus formidabilis" = Borealosuchus formidabilis2
"Leidyosuchus formidabilis" = Borealosuchus formidabilis2 Erickson 1976 crocodilian