Where: Wyoming (44.7° N, 108.5° W: paleocoordinates 50.0° N, 89.6° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Fort Union Formation, Cf2 (56.2 - 54.9 Ma)
• Cf-2?
• 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 46679: authorized by Will Clyde, entered by Will Clyde on 24.01.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Champsosaurus sp. Cope 1876 choristodere | |
"Crocodilia indet." = Crocodylia
"Crocodilia indet." = Crocodylia Owen 1842 crocodilian | |
Testudines indet. Batsch 1788 turtle | |
Mammalia | |
"Neoliotomus ultimus" = Eucosmodon ultimus
"Neoliotomus ultimus" = Eucosmodon ultimus Granger and Simpson 1928 multituberculate | |
Ectocion osbornianus Cope 1882 condylarth | |
Didymictis sp. Cope 1875 placental | |
Plesiadapis dubius Matthew 1915 primate | |
Probathyopsis sp. Simpson 1929 uintathere |