K-Mark Channel: Lancian, Montana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Aliigatoroidea indet.
Database 2005 3 specimens
Osteichthyes
Osteichthyes indet. Huxley 1880
Database 2005 2 elements
Mammalia
Mammalia indet. (Linnaeus 1758)
Database 2005 1 specimen
Theria indet. Parker and Haswell 1897
Database 2005 2 specimens
Mammalia - Gypsonictopidae
Gypsonictops illuminatus Lillegraven 1969
1 specimen
Mammalia - Pediomyidae
Pediomys florencae Clemens 1966
1 specimen
recombined as Protolambda florencae
Mammalia - Stagodontidae
Didelphodon vorax Marsh 1889
8 specimens
Mammalia - Multituberculata - Cimolomyidae
Meniscoessus robustus (Marsh 1889)
14 specimens
Reptilia - Testudines - Trionychidae
Trionychidae indet. Gray 1825
Database 2005 3 specimens
Reptilia - Testudines - Adocidae
Adocus sp. Cope 1868
Database 2005 2 specimens
Reptilia - Testudines
Plastomeninae indet. (Hay 1902)
Database 2005 1 specimen
spelled with current rank as Plastomenidae
Reptilia
Compsemys sp. Leidy 1856
Database 2005 1 specimen
Compsemys victa (Leidy 1856)
Database 2005 1 specimen
Reptilia - Baenidae
Baenidae indet. Cope 1882
Database 2005 1 specimen
Reptilia
Champsosaurus sp. Cope 1876
Database 2005 2 specimens
Reptilia - Champsosauridae
Champsosauridae indet. Cope 1876
Database 2005 1 specimen
Reptilia - Theropoda
Theropoda indet. Marsh 1881
Database 2005 1 specimen
Reptilia - Hesperornithiformes
Hesperornis sp. Marsh 1872
Database 2005 1 specimen
Reptilia - Dromaeosauridae
Richardoestesia sp. Currie et al. 1990
Database 2005 1 specimen
Reptilia - Ornithischia
Ornithischia indet. Seeley 1888
Database 2005 1 specimen
Reptilia
Ceratopsia indet. Marsh 1890
Database 2005 1 specimen
Reptilia - Crocodylia
Crocodylia indet. (Owen 1842)
Database 2005 8 specimens
Reptilia - Crocodylidae
Crocodylidae indet. Cuvier 1807
Database 2005 1 specimen
Amphibia - Temnospondyli - Urodela
Lisserpeton sp. Estes 1965
Database 2005 1 specimen
Actinopteri - Lepisosteiformes - Lepisosteidae
Lepisosteidae indet. Cuvier 1825
Database 2005 1 specimen
Acipenseriformes - Acipenseridae
Acipenseridae indet. Bonaparte 1831
Database 2005 1 element
Chondrichthyes - Rajiformes - Rhinobatidae
Myledaphus bipartitus Cope 1876
Database 2005 1 element
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
*Local age/stage:Lancian
Key time interval:Lancian
Age range of interval:72.10000 - 66.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Hell Creek
Stratigraphic resolution:bed
Stratigraphy comments: said to be Lancian
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Museum repositories:UCMP
Metadata
Also known as:KMark II; UCMP V-85092
Database number:14580
Authorizer:J. Alroy, M. Carrano Enterer:J. Alroy, M. Carrano
Modifier:J. Alroy Research group:vertebrate
Created:1997-04-12 00:00:00 Last modified:2008-04-10 13:54:50
Access level:the public Released:1997-04-12 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
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]

Secondary references:

13103 U.C.M.P. Database. 2005. UCMP collections database. University of California Museum of Paleontology [M. Carrano/M. Carrano/M. Carrano]