Bug Creek Anthills (Paleocene of the United States)

Also known as UCMP V-65127, V-70201

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)

Environment/lithology: terrestrial

Reposited in the UCMP

Primary reference: J. D. Archibald and W. A. Clemens. 1984. Mammal evolution near the Cretaceous-Tertiary Boundary. In W. A. Berggren, J. A. Van Couvering (eds.), Catastrophes and Earth History: The New Uniformitarianism 339-372 [J. Alroy/J. Alroy/M. Uhen]more details

PaleoDB collection 14671: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Philip Mannion and Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• "80 feet below the Tullock Formation in the west half of sect. 9, T 22 N, R 43 E"; see map of Fastovsky and Dott 1986
see also Archibald et al. 1987, Swisher et al. 1993;
based on Lofgren et al. 1990 and Lofgren 1995, fauna is mixed; I have sorted out Paleocene and reworked Cretaceous lists based on Lofgren's scheme
well below the Z-Coal, but correlation is indirect: Fastovsky and Dott 1986
Reptilia
 Testudines - Pantrionychidae
"Derrisemys sterea" = Hutchemys sterea1
"Derrisemys sterea" = Hutchemys sterea1 Hutchison 2009 turtle
 Squamata - Chthonophidae
Chthonophis subterraneus n. gen. n. sp.3
Chthonophis subterraneus n. gen. n. sp.3 Longrich et al. 2015 worm lizard
AMNH 30799 - holotype (right dentary)
Mammalia
 Cimolesta - Cimolestidae
Cimolestes incisus Marsh 1889 eutherian
Procerberus formicarum n. sp. Sloan and Van Valen 1965 eutherian
 Procreodi - Arctocyonidae
Mimatuta morgoth4 Van Valen 1978 condylarth
Oxyprimus erikseni4 Van Valen 1978 condylarth
Protungulatum donnae Sloan and Van Valen 1965 condylarth
 Multituberculata -
Cimexomys minor n. sp. Sloan and Van Valen 1965 multituberculate
 Multituberculata - Neoplagiaulacidae
Mesodma sp. Jepsen 1940 multituberculate
includes M. "formosa" and M. "thompsoni" of original Sloan/Van Valen list; see discussion of Novacek and Clemens 1977
 Multituberculata - Taeniolabididae
"Catopsalis joyneri n. sp." = Valenopsalis joyneri
"Catopsalis joyneri n. sp." = Valenopsalis joyneri Sloan and Van Valen 1965 multituberculate
 Multituberculata - Eucosmodontidae
Stygimys kuszmauli n. sp., "Cimexomys gratus" = Stygimys gratus2
Stygimys kuszmauli n. sp. Sloan and Van Valen 1965 multituberculate
"Cimexomys gratus" = Stygimys gratus2 Jepsen 1930 multituberculate