Bug Creek Anthills (Reworked): Lancian, Montana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Rajiformes - Sclerorhynchidae
Ischyrhiza avonicola Estes 1964
Cook et al. 2014 1 specimen
UCMP 130665, complete rostral tooth
Mammalia - Multituberculata - Cimolomyidae
Essonodon browni Simpson 1927
Meniscoessus robustus (Marsh 1889)
presumably includes "M. borealis" of original Sloan/Van Valen list
Cimolomys gracilis Marsh 1889
Mammalia - Multituberculata - Cimolodontidae
Cimolodon nitidus Marsh 1889
Mammalia - Gypsonictopidae
Gypsonictops hypoconus Simpson 1927
Gypsonictops petersoni (Simpson 1929)
synonym of Gypsonictops hypoconus
Mammalia - Zhelestidae
Alostera saskatchewanensis Fox 1989
Fox 1989 1 specimen
UALVP 6727; not discussed in detail
Mammalia - Creodonta
Cimolestes magnus Clemens and Russell 1965
recombined as Altacreodus magnus
accidentally included in collection 14671 through 4/11
Mammalia - Cimolestidae
Batodon tenuis Marsh 1892
Mammalia - Pediomyidae
Pediomys elegans Marsh 1889
Pediomys krejcii Clemens 1966
recombined as Leptalestes krejcii
Pediomys hatcheri (Osborn 1898)
original and current combination Protolambda hatcheri
Pediomys florencae Clemens 1966
recombined as Protolambda florencae
Mammalia - Stagodontidae
Didelphodon vorax Marsh 1889
Mammalia - Alphadontidae
Alphadon marshi Simpson 1927
includes "A. wilsoni"
Mammalia - Glasbiidae
Glasbius sp. Clemens 1966
    = Glasbius twitchelli Archibald 1982
Archibald 1982
said to be new; presumably list predates this publication
Mammalia - Groeberida
Nortedelphys minimus n. gen., n. sp. Case et al. 2004
Case et al. 2004
Alphadon jasoni Storer 1991
Storer 1991 1 specimen
recombined as Nortedelphys jasoni
UALVP 6748
Nortedelphys intermedius Case et al. 2004
Case et al. 2004
synonym of Nortedelphys jasoni
Reptilia - Baenidae
Palatobaena bairdi Gaffney 1972
Archibald and Hutchison 1979 4 specimens
UCMP 114644 (left maxilla), UCMP 114656 (right quadrate), UCMP 114680 (right and left jaw halves) and UCMP 114686 (left maxilla)
Reptilia - Ceratopsidae
Ceratopsidae indet. Marsh 1888
Database 2005
Triceratops sp. Marsh 1889
Database 2005
Reptilia - Hadrosauridae
Hadrosauridae indet. Cope 1869
Database 2005
Reptilia - Theropoda
Theropoda indet. Marsh 1881
Database 2005
Reptilia - Troodontidae
Troodon sp. Leidy 1856
Database 2005
Reptilia
Paronychodon sp. Cope 1876
Database 2005
Reptilia - Charadriiformes
Charadriiformes informal indet. sp. 1 Huxley 1867
Hope 2002 1 specimen
ANSP 15868
see common names

Geography
Country:United States State/province:Montana County:McCone
Coordinates: 47.8° North, 106.1° West (view map)
Paleocoordinates:54.4° North, 79.0° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
*Epoch:Senonian
Key time interval:Lancian
Age range of interval:70.60000 - 66.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Hell Creek
Local section:Hell Creek mixed faunas Local bed:1
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Lagerst�tten type:concentrate
Degree of concentration:concentrated
Size of fossils:mesofossils
Disassociated major elements:many
Disassociated minor elements:many
Collection methods and comments
Collection methods:anthill,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:UCMP
Taxonomic list comments: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 schemewell below the Z-Coal, but correlation is indirect: Fastovsky and Dott 1986
Metadata
Also known as:UCMP V-65127, V-70201
Database number:14516
Authorizer:J. Alroy, P. Mannion, M. Carrano Enterer:J. Alroy, M. Carrano, P. Mannion
Modifier:J. Alroy Research group:vertebrate
Created:1997-04-12 00:00:00 Last modified:2002-06-03 03:27:39
Access level:the public Released:1997-04-12 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:

960 J. D. Archibald. 1982. A study of Mammalia and geology across the Cretaceous-Tertiary boundary in Garfield County, Montana. University of California Publications in Geological Sciences 122:1-286 [J. Alroy/J. Alroy/M. Carrano]
38165 J. D. Archibald and J. H. Hutchison. 1979. Revision of the genus Palatobaena (Testudines, Baenidae), with the description of a new species. Postilla 177:1-19 [P. Mannion/P. Mannion/P. Holroyd]
31410 J. A. Case, F. J. Goin, and M. O. Woodburne. 2004. "South American" marsupials from the Late Cretaceous of North America and the origin of marsupial cohorts. Journal of Mammalian Evolution 11(3/4):223-255 [J. Alroy/J. Alroy/J. Alroy]
77911 T. D. Cook, M. G. Newbrey, D. B. Brinkman and J. I. Kirkland. 2014. Euselachians from the freshwater deposits of the Hell Creek Formation of Montana. In G. P. Wilson, W. A. Clemens, J. R. Horner, J. H. Hartman (eds.), Through the End of the Cretaceous in the Type Locality of the Hell Creek Formation in Montana and Adjacent Areas. Geological Society of America Special Paper 503:229-246 [M. Carrano/M. Carrano]
13103 U.C.M.P. Database. 2005. UCMP collections database. University of California Museum of Paleontology [M. Carrano/M. Carrano/M. Carrano]
1535 R. C. Fox. 1989. The Wounded Knee local fauna and mammalian evolution near the Cretaceous-Tertiary boundary, Saskatchewan, Canada. Palaeontographica Abteilung A 208(1-3):11-59 [J. Alroy/J. Alroy/M. Carrano]
29037 S. Hope. 2002. The Mesozoic radiation of Neornithes. In L. M. Chiappe and L. M. Witmer (eds.), Mesozoic Birds: Above the Heads of Dinosaurs. University of California Press, Berkeley 339-388 [J. Alroy/J. Alroy/M. Carrano]
3310 J. E. Storer. 1991. The mammals of the Gryde Local Fauna, Frenchman Formation (Maastrichtian: Lancian), Saskatchewan. Journal of Vertebrate Paleontology 11(3):350-369 [J. Alroy/J. Alroy/J. Alroy]