Where: Wyoming (44.7° N, 108.8° W: paleocoordinates 49.5° N, 91.6° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Willwood Formation, Wasatchian (55.8 - 50.3 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 46834: authorized by Will Clyde, entered by Will Clyde on 24.01.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Allognathosuchus sp. Mook 1921 crocodilian | |
Mammalia | |
Palaeictops bicuspis Cope 1880 eutherian | |
Esthonyx bisulcatus Cope 1874 tillodont | |
Coryphodon radians Cope 1872 pantodont | |
Apheliscus wapitiensis Van Valen 1967 elephant shrew | |
Hyopsodus latidens Denison 1937 condylarth | |
Palaeanodon ignavus Matthew 1918 placental | |
Oxyaena intermedia Denison 1938 creodont
Oxyaena gulo Matthew and Granger 1915 creodont | |
Prototomus phobos Gingerich and Deutsch 1989 creodont
? Galecyon mordax Matthew and Granger 1915 creodont | |
Ectocion osbornianus Cope 1882 condylarth | |
"Hyracotherium aemulor" = Arenahippus aemulor
"Hyracotherium aemulor" = Arenahippus aemulor Gingerich 1991 horse | |
Cardiolophus radinskyi Gingerich 1991 odd-toed ungulate
Homogalax protapirinus Wortman 1896 odd-toed ungulate | |
Diacodexis metsiacus Cope 1882 even-toed ungulate | |
Acritoparamys atwateri Loomis 1907 rodent
Paramys copei Loomis 1907 rodent | |
| |
"Haplomylus speirianus" = Microsyops speirianus
"Haplomylus speirianus" = Microsyops speirianus Cope 1880 primate | |
Cantius mckennai Gingerich and Simons 1977 primate |