Second Level South (Paleocene of the United States)

Also known as UCMP V-87114

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: Hell Creek Formation, Puercan (66.0 - 63.3 Ma)

• said to be Puercan

Environment/lithology: terrestrial

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

PaleoDB collection 14772: authorized by John Alroy, entered by John Alroy on 12.04.1997

Creative Commons license: CC BY (attribution)

Taxonomic list

 Cimolesta - Cimolestidae
Procerberus formicarum Sloan and Van Valen 1965 eutherian
 Multituberculata - Eucosmodontidae
"Cimexomys gratus" = Stygimys gratus, Stygimys kuszmauli
"Cimexomys gratus" = Stygimys gratus Jepsen 1930 multituberculate
Stygimys kuszmauli Sloan and Van Valen 1965 multituberculate
 Multituberculata - Neoplagiaulacidae
Mesodma sp. Jepsen 1940 multituberculate