MP-102 (Eocene of the United States)

Where: Park County, Wyoming (44.5° N, 108.8° W: paleocoordinates 49.1° N, 92.2° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Willwood Formation, Early/Lower Eocene (55.8 - 48.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; lithified siliciclastic sediments

Size classes: macrofossils, mesofossils

Reposited in the UMMP

Collection methods: surface (float), surface (in situ),

Primary reference: P. D. Polly. 1997. Ancestry and Species Definition in Paleontology: A Stratocladistic Analysis of Paleocene-Eocene Viverravidae (Mammalia, Carnivora) from Wyoming. Contributions from the Museum of Paleontology, University of Michigan 30(1):1-53 [J. Alroy/J. Alroy/M. Uhen]more details

PaleoDB collection 15693: authorized by John Alroy, entered by John Alroy on 21.09.1998, edited by Leah Gannon and Will Clyde

Creative Commons license: CC BY (attribution)

Taxonomic list

• may be in Big Horn County, Wa-6
Mammalia
 Taeniodonta -
 Cimolesta - Esthonychidae
Esthonyx bisulcatus Cope 1874 tillodont
 Condylarthra - Hyopsodontidae
Hyopsodus miticulus Cope 1874 condylarth
Hyopsodus minor Loomis 1905 condylarth
 Theriamorpha - Viverravidae
Viverravus sp. Marsh 1872 placental
Viverravus acutus Matthew and Granger 1915 placental
Didymictis sp. Cope 1875 placental
Didymictis protenus Cope 1874 placental
 Perissodactyla - Palaeotheriidae
Hyracotherium sp. Owen 1841 odd-toed ungulate
 Artiodactyla - Diacodexeidae
Diacodexis metsiacus Cope 1882 even-toed ungulate