Also known as UCMP V-88306; V88036
Where: McCone County, Montana (47.8° N, 106.1° W: paleocoordinates 54.0° N, 80.8° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Pu1 mammal zone, Tullock Member (Fort Union Formation), Puercan (66.0 - 63.3 Ma)
Environment/lithology: terrestrial; lithology not reported
Size classes: macrofossils, mesofossils
Reposited in the UCMP
Primary reference: D. L. Lofgren. 1995. The Bug Creek problem and the Cretaceous-Tertiary transition at McGuire Creek, Montana. University of California Publications in Geological Sciences 140:1-185 [J. Alroy/J. Alroy/M. Carrano]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 14759: authorized by John Alroy, entered by John Alroy on 12.04.1997, edited by Patricia Holroyd
Creative Commons license: CC BY (attribution)
Taxonomic list
overlies the MCZ coal, dated by Swisher et al. 1993 at 65.03 +/- 0.04 Ma (SCLF AA on sanidine)
Mammalia | |
? Prodiacodon crustulum Novacek 1977 eutherian | |
Procerberus formicarum Sloan and Van Valen 1965 eutherian
Procerberus cf. grandis Middleton and Dewar 2004 eutherian | |
Periptychidae indet. Cope 1882 condylarth | |
Protungulatum donnae Sloan and Van Valen 1965 condylarth
Mimatuta sp. Van Valen 1978 condylarth
Mimatuta morgoth Van Valen 1978 condylarth | |
"Cimexomys gratus" = Stygimys gratus
"Cimexomys gratus" = Stygimys gratus Jepsen 1930 multituberculate | |
Cimexomys minor Sloan and Van Valen 1965 multituberculate | |
Mesodma sp. Jepsen 1940 multituberculate
Mesodma hensleighi Lillegraven 1969 multituberculate
Mesodma formosa Marsh 1889 multituberculate
Mesodma thompsoni Clemens 1964 multituberculate |