Where: Wyoming (44.6° N, 108.6° W: paleocoordinates 49.4° N, 91.3° 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 46839: authorized by Will Clyde, entered by Will Clyde on 24.01.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Testudines indet. Batsch 1788 turtle | |
Mammalia | |
Haplomylus speirianus Cope 1880 elephant shrew | |
Hyopsodus loomisi McKenna 1960 condylarth | |
Pachyaena gracilis Matthew and Granger 1915 condylarth | |
"Diacodexis robustus" = Bunophorus robustus, Diacodexis metsiacus
"Diacodexis robustus" = Bunophorus robustus Sinclair 1914 even-toed ungulate
Diacodexis metsiacus Cope 1882 even-toed ungulate | |
Phenacodus intermedius Granger 1915 condylarth | |
"Hyracotherium aemulor" = Arenahippus aemulor
"Hyracotherium aemulor" = Arenahippus aemulor Gingerich 1991 horse | |
Homogalax protapirinus Wortman 1896 odd-toed ungulate |