UMMP MP-115 (Paleocene of the United States)

Where: Park County, Wyoming (44.5° N, 109.0° W: paleocoordinates 50.4° N, 88.6° W)

• coordinate stated in text

When: Ti-4b mammal zone, Fort Union Formation, Tiffanian (61.7 - 56.8 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 190411: authorized by Patricia Holroyd, entered by Patricia Holroyd on 07.12.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Primates - Plesiadapidae
Plesiadapis simonsi Gingerich 1975 primate
Chiromyoides cf. caesor Gingerich 1973 primate
 Procreodi - Arctocyonidae
"Arctocyon mumak" = Arctocyon acrogenius Gazin 1956 condylarth
Arctocyon cf. nexus Gazin 1956 condylarth