Where: Wyoming (44.7° N, 108.8° W)
• Paleocoordinates: 52.5° N, 80.7° W (Wright 2013)
• coordinate estimated from map
• small collection-level geographic resolution
When: Willwood Formation, Wasatchian (54.9 - 50.5 Ma)
• Wa-3
• 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 46782: authorized by Will Clyde, entered by Will Clyde on 24.01.2005
Creative Commons license: CC0 (CC0)
Taxonomic list
Reptilia | |
Allognathosuchus sp. Mook 1921 crocodilian | |
Mammalia | |
Palaeictops bicuspis Cope 1880 eutherian | |
Cantius mckennai Gingerich and Simons 1977 primate | |
Paramys sp. Leidy 1871 rodent | |
Pachyaena gracilis Matthew and Granger 1915 condylarth | |
Thryptacodon antiquus Matthew and Granger 1915 condylarth | |
Homogalax protapirinus Wortman 1896 odd-toed ungulate | |
"Hyracotherium aemulor" = Arenahippus aemulor
"Hyracotherium aemulor" = Arenahippus aemulor Gingerich 1991 horse | |
Phenacodus intermedius Granger 1915 condylarth
Ectocion osbornianus Cope 1882 condylarth | |
Diacodexis metsiacus Cope 1882 even-toed ungulate | |
Viverravus gracilis Marsh 1872 placental
Protictis sp. Matthew placental | |
Hyopsodus loomisi McKenna 1960 condylarth | |
Haplomylus speirianus Cope 1880 elephant shrew
Apheliscus chydaeus Gingerich 1994 elephant shrew | |
Coryphodon eocaenus Owen 1846 pantodont |