Fossil Hollow (Paleogene of the United States)

Also known as SC-198

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)

• said to be early Clarkforkian

Environment/lithology: terrestrial

Reposited in the UMMP

Primary reference: D. W. Krause. 1987. Systematic Revision of the Genus Prochetodon (Ptilodontidae, Multituberculata) from the Late Paleocene and Early Eocene of Western North America. Contributions from the Museum of Paleontology, University of Michigan 27(8):221-236 [J. Alroy/J. Alroy/P. Mannion]more details

PaleoDB collection 15028: authorized by John Alroy, entered by John Alroy on 27.09.1993, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• said to be early Clarkforkian by Polly 1997
Amphibia
 Caudata - Urodela
Piceoerpeton willwoodense4 Meszoely 1967 salamander
Mammalia
 Multituberculata - Ptilodontidae
Prochetodon cavus Jepsen 1940 multituberculate
Ptilodus kummae5 Krause 1977 multituberculate
 Theriamorpha - Viverravidae
Viverravus politus1 Matthew and Granger 1915 placental
Didymictis proteus1 Polly 1997 placental
 Procreodi - Arctocyonidae
Thryptacodon pseudarctos5 Simpson 1928 condylarth
 Primates - Plesiadapidae
Plesiadapis fodinatus2 Jepsen 1930 primate
 Primates - Paromomyidae
Phenacolemur archus5, "Phenacolemur pagei" = Dillerlemur pagei5
Phenacolemur archus5 Secord 2008 primate
"Phenacolemur pagei" = Dillerlemur pagei5 Jepsen 1930 primate
 Proteutheria - Palaeoryctidae
Aaptoryctes ivyi3 Gingerich 1982 eutherian