UMMP SC-186 (Paleocene of the United States)

Where: Park County, Wyoming (44.9° N, 108.9° W: paleocoordinates 50.7° N, 88.4° W)

• coordinate stated in text

When: Ti-5b 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 190418: authorized by Patricia Holroyd, entered by Patricia Holroyd on 07.12.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Primates - Plesiadapidae
Plesiadapis cf. dubius Matthew 1915 primate
 Tribosphenida - Arctocyonidae
Arctocyon cf. nexus Gazin 1956 condylarth
Thryptacodon pseudarctos Simpson 1928 condylarth
 Ungulata - Prodinoceratidae
Probathyopsis harrisorum Patterson 1939 uintathere
 Ungulata - Phenacodontidae
Phenacodus vortmani Cope 1880 condylarth
Phenacodus grangeri Simpson 1935 condylarth