Windy Hill: Lancian, Montana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Rajiformes - Rhinobatidae
Myledaphus bipartitus Cope 1876
Database 2005 6 elements
UCMP 119799, 1 partial tooth; UCMP 119798, five complete and fragmented teeth
    = Myledaphus pustulosus Cook et al. 2014
Cook et al. 2014
Osteichthyes
Osteichthyes indet. Huxley 1880
Database 2005 3 elements
Actinopteri - Amiiformes - Amiidae
Amia fragosa Jordan 1927
Database 2005 2 elements
Actinopteri - Lepisosteiformes - Lepisosteidae
Lepisosteus sp. Agassiz 1843
Database 2005 1 element
Lepisosteus occidentalis (Leidy 1856)
Database 2005 7 elements
original and current combination Lepidotus occidentalis
Amphibia - Temnospondyli
Caudata indet. Scopoli 1777
Database 2005 1 specimen
Amphibia - Temnospondyli - Urodela
Scapherpeton tectum Cope 1876
Database 2005 2 specimens
Habrosaurus dilatus Gilmore 1928
Database 2005 1 specimen
Reptilia
Reptilia indet. Laurenti 1768
Database 2005 3 specimens
Reptilia - Anguidae
Anguidae indet. Gray 1825
Database 2005 1 specimen
Reptilia - Chamopsiidae
Leptochamops denticulatus (Gilmore 1928)
Database 2005 1 specimen
Reptilia - Theropoda
Theropoda indet. Marsh 1881
Database 2005 1 specimen
Reptilia - Coeluridae
Coeluridae indet. Marsh 1881
Database 2005 1 specimen
Reptilia
Paronychodon sp. Cope 1876
Database 2005 2 specimens
Reptilia - Tyrannosauridae
Tyrannosauridae indet. Osborn 1906
Database 2005 1 specimen
Reptilia - Ornithischia
Ornithischia indet. Seeley 1888
Database 2005 1 specimen
Reptilia - Ceratopsidae
Ceratopsidae indet. Marsh 1888
Database 2005 3 specimens
Reptilia - Hadrosauridae
Hadrosauridae indet. Cope 1869
Database 2005 2 specimens
Reptilia - Hypsilophodontidae
cf. Hypsilophodontidae indet. Dollo 1882
Database 2005 1 specimen
Reptilia
Thescelosaurus sp. Gilmore 1913
Database 2005 1 specimen
Leidyosuchus sternbergi (Gilmore 1910)
Database 2005 3 specimens
recombined as Borealosuchus sternbergii
Reptilia - Crocodylidae
Crocodylidae indet. Cuvier 1807
Database 2005 7 specimens
Reptilia
Brachychampsa montana Gilmore 1911
Database 2005 3 specimens
Champsosaurus sp. Cope 1876
Database 2005 2 specimens
Champsosaurus natator Parks 1933
Database 2005 5 specimens
Reptilia - Sauria
Sauria indet. MacCartney 1802
Database 2005 1 specimen
Reptilia - Testudines
Cryptodira indet. Cope 1868
Database 2005 2 specimens
Reptilia - Testudines - Adocidae
Adocus sp. Cope 1868
Database 2005 3 specimens
Reptilia - Testudines - Trionychidae
Trionychidae indet. Gray 1825
Database 2005 4 specimens
Reptilia - Testudines
Plastomenus sp. Cope 1873
Database 2005 1 specimen
Reptilia - Testudines - Nanhsiungchelyidae
Basilemys sp. Hay 1902
Database 2005 1 specimen
Reptilia
Compsemys victa (Leidy 1856)
Database 2005 2 specimens
Reptilia - Baenidae
Baenidae indet. Cope 1882
Database 2005 4 specimens
Stygiochelys estesi Gaffney and Hiatt 1971
Database 2005 1 specimen
Mammalia - Cimolestidae
Cimolestes cf. cerberoides Lillegraven 1969
recombined as Ambilestes cerberoides
Mammalia - Stagodontidae
Didelphodon vorax Marsh 1889
Mammalia - Multituberculata - Cimolomyidae
Meniscoessus robustus (Marsh 1889)
see common names

Geography
Country:United States State/province:Montana County:Garfield
Coordinates: 47.6° North, 106.3° West (view map)
Paleocoordinates:54.2° North, 79.3° West
Basis of coordinate:unpublished field data
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:72.10000 - 66.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Montana Formation:Hell Creek Member:Upper
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: sandstone
Includes fossils?Y
Environment:coarse channel fill
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils
Disassociated major elements:many
Disassociated minor elements:many
Collection methods and comments
Collection methods:surface (float),field collection
Reason for describing collection:taxonomic analysis
Museum repositories:UCMP
Metadata
Also known as:UCMP V-72207
Database number:14654
Authorizer:J. Alroy, M. Carrano Enterer:J. Alroy, M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:1994-04-30 00:00:00 Last modified:2021-09-02 11:07:44
Access level:the public Released:1994-04-30 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
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]

Secondary references:

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]