UMMP SC-261 (Paleocene of the United States)

Where: Park County, Wyoming (44.8° N, 108.7° W)

• Paleocoordinates: 53.7° N, 75.8° W (Wright 2013)

• coordinate stated in text

When: Ti-4a mammal zone, Fort Union Formation, Tiffanian (60.9 - 56.2 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 190436: authorized by Patricia Holroyd, entered by Patricia Holroyd on 07.12.2017

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Mammalia
 Ferae - Viverravidae
Didymictis cf. dellensis
Didymictis cf. dellensis Dorr 1952 placental
 Procreodi - Arctocyonidae
Lambertocyon sp.
Lambertocyon sp. Gingerich 1979 condylarth
 Tribosphenida - Phenacodontidae
Ectocion cedrus
Ectocion cedrus Thewissen 1990 condylarth
 Primates - Plesiadapidae
Plesiadapis churchilli
Plesiadapis churchilli Gingerich 1975 primate
 Cimolesta - Titanoideidae
Titanoides gidleyi
Titanoides gidleyi Jepsen 1930 pantodont
 Multituberculata - Ptilodontidae
Ptilodus kummae
Ptilodus kummae Krause 1977 multituberculate
 Multituberculata - Neoplagiaulacidae
Neoplagiaulax cf. hazeni
Neoplagiaulax cf. hazeni Jepsen 1940 multituberculate