Bug Creek Anthills: Puercan, Montana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Testudines
Derrisemys sterea Hutchison 2009
Hutchison 2009
recombined as Hutchemys sterea
Reptilia
Chthonophis subterraneus n. gen., n. sp. Longrich et al. 2015
Longrich et al. 2015
AMNH 30799 - holotype (right dentary)
Mammalia - Cimolestidae
Cimolestes incisus Marsh 1889
Procerberus formicarum n. sp. Sloan and Van Valen 1965
Mammalia - Procreodi - Arctocyonidae
Mimatuta morgoth Van Valen 1978
Luo 1991
Oxyprimus erikseni Van Valen 1978
Luo 1991
Protungulatum donnae Sloan and Van Valen 1965
Mammalia - Multituberculata
Cimexomys minor n. sp. Sloan and Van Valen 1965
Mammalia - Multituberculata - Neoplagiaulacidae
Mesodma sp. Jepsen 1940
includes M. "formosa" and M. "thompsoni" of original Sloan/Van Valen list; see discussion of Novacek and Clemens 1977
Mammalia - Multituberculata - Taeniolabididae
Catopsalis joyneri n. sp. Sloan and Van Valen 1965
recombined as Valenopsalis joyneri
Mammalia - Multituberculata - Eucosmodontidae
Stygimys kuszmauli n. sp. Sloan and Van Valen 1965
Cimexomys gratus (Jepsen 1930)
Lofgren 1995
recombined as Stygimys gratus
see common names

Geography
Country:United States State/province:Montana County:McCone
Coordinates: 47.8° North, 106.1° West (view map)
Paleocoordinates:54.0° North, 80.8° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Paleogene Epoch:Paleocene
Stage:Danian 10 m.y. bin:Cenozoic 1
*Period:Tertiary
Key time interval:Puercan
Age range of interval:66.00000 - 63.30000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Hell Creek
Local section:Hell Creek mixed faunas Local bed:2
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Museum repositories:UCMP
Taxonomic list comments:"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
Metadata
Also known as:UCMP V-65127, V-70201
Database number:14671
Authorizer:J. Alroy, P. Holroyd, P. Mannion Enterer:J. Alroy, P. Mannion, P. Holroyd
Modifier:J. Alroy Research group:vertebrate
Created:1993-02-18 00:00:00 Last modified:2002-06-03 03:27:39
Access level:the public Released:1993-02-18 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

962. 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]

Secondary references:

58298 J. H. Hutchison. 2009. New soft-shelled turtles (Plastomeninae, Trionychidae, Testudines) from the Cretaceous and Paleocene of North America. PaleoBios 29(2):36-47 [P. Holroyd/P. Holroyd]
2255 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]
54822 N. R. Longrich, J. Vinther, R. A. Pyron, D. Pisani, and J. A. Gauthier. 2015. Biogeography of worm lizards (Amphisbaenia) driven by end-Cretaceous mass extinction. Proceedings of the Royal Society, B 282:20143034 [P. Mannion/P. Mannion]
2331 Z. Luo. 1991. Variability of Dental Morphology and the Relationships of the Earliest Arctocyonid Species. Journal of Vertebrate Paleontology 11(4):452-471 [J. Alroy/J. Alroy/J. Ju]