Where: Wyoming (44.4° N, 108.8° W)
• Paleocoordinates: 52.2° N, 80.8° W (Wright 2013)
• coordinate estimated from map
• small collection-level geographic resolution
When: Willwood Formation, Wasatchian (55.8 - 50.3 Ma)
• Wa-6
• 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: W. C. Clyde. 1997. Stratigraphy and mammalian paleontology of the McCullough Peaks, northern Bighorn Basin, Wyoming: Implications for biochronology, basin development, and community reorganization across the Paleocene-Eocene boundary. PhD Thesis, University of Michigan [W. Clyde/W. Clyde/J. Alroy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 46715: authorized by Will Clyde, entered by Will Clyde on 24.01.2005
Creative Commons license: CC0 (CC0)
Taxonomic list
Mammalia | |
Diacodexis metsiacus Cope 1882 even-toed ungulate | |
"Hyracotherium pernix" = Arenahippus pernix
"Hyracotherium pernix" = Arenahippus pernix Marsh 1876 horse | |
Heptodon calciculus Cope 1880 odd-toed ungulate | |
Anacodon ursidens Cope 1882 condylarth | |
Rodentia indet. Bowdich 1821 rodent | |
Absarokius abbotti Loomis 1906 tarsier | |
Hyopsodus lysitensis Gingerich 1974 condylarth | |
Esthonyx bisulcatus Cope 1874 tillodont | |
Coryphodon armatus Cope 1872 pantodont |