UMMP SC-181 (Paleocene of the United States)

Where: Park County, Wyoming (44.9° N, 108.9° W: paleocoordinates 50.2° N, 90.0° W)

• coordinate stated in text

When: Cf-1 mammal zone, Fort Union Formation, Clarkforkian (56.8 - 55.8 Ma)

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Reposited in the UMMP

Primary reference: R. Secord. 2008. The Tiffanian Land-Mammal Age (middle and late Paleocene) in the northern Bighorn Basin, Wyoming. University of Michigan Papers on Paleontology 35:1-192 [K. Beard/K. Beard]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 190416: authorized by Patricia Holroyd, entered by Patricia Holroyd on 07.12.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Primates - Carpolestidae
Carpolestes nigridens Simpson 1928 primate
 Rodentia - Ischyromyidae
Acritoparamys atavus Jepsen 1937 rodent
 Macroscelidea - Apheliscidae
Aletodon gunnelli Gingerich 1977 elephant shrew
 Ungulata - Phenacodontidae
Ectocion osbornianus Cope 1882 condylarth