UMMP MP-54 (Paleocene of the United States)

Where: Park County, Wyoming (44.5° N, 108.9° W: paleocoordinates 50.4° N, 88.5° 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 190410: authorized by Patricia Holroyd, entered by Patricia Holroyd on 07.12.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Primates - Plesiadapidae
Plesiadapis churchilli Gingerich 1975 primate
Plesiadapis fodinatus Jepsen 1930 primate
 Taeniodonta - Stylinodontidae
Ectoganus cf. lobdelli Simpson 1929 taeniodont
 Tribosphenida - Arctocyonidae
Lambertocyon eximius Gingerich 1979 condylarth
Thryptacodon pseudarctos Simpson 1928 condylarth
Thryptacodon australis Simpson 1935 condylarth