Emily's Ankle Quarry (EAQ): Middle Campanian - Late/Upper Campanian, Montana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
Theropoda informal indet. A (Marsh 1881)
Fiorillo and Currie 1994 6 specimens
Reptilia - Troodontidae
Troodon formosus Leidy 1856
Fiorillo and Currie 1994 1 specimen
Reptilia - Dromaeosauridae
Saurornitholestes langstoni Sues 1978
Fiorillo and Currie 1994 12 specimens
Richardoestesia gilmorei Currie et al. 1990
Fiorillo and Currie 1994 4 specimens
Reptilia - Testudines - Trionychidae
Aspideretes sp. Hay 1904
Fiorillo 1997
Reptilia - Testudines - Adocidae
Adocus sp. Cope 1868
Fiorillo 1997
Reptilia - Baenidae
Boremys sp. Lambe 1906
Fiorillo 1997
Mammalia - Multituberculata - Cimolomyidae
Cimolomys sp. Marsh 1889
Fiorillo 1997
Mammalia - Multituberculata - Neoplagiaulacidae
Mesodma sp. Jepsen 1940
Mammalia - Multituberculata
Cimexomys sp. Sloan and Van Valen 1965
Fiorillo 1997
Mammalia - Gypsonictopidae
Gypsonictops sp. Simpson 1927
Mammalia
Alphadon sp. Simpson 1927
    = Metatheria indet. Huxley 1880
Alroy 2002
Chondrichthyes - Rajiformes - Rhinobatidae
Myledaphus sp. Cope 1876
Fiorillo 1997
Chondrichthyes - Orectolobiformes - Orectolobidae
Squatiscyllium sp. Cappetta 1980
Fiorillo 1997
Chondrichthyes - Hybodontiformes - Hybodontidae
Hybodus sp. Agassiz 1834
Fiorillo 1997
see common names

Geography
Country:United States State/province:Montana County:Golden Valley
Coordinates: 46.1° North, 109.1° West (view map)
Paleocoordinates:53.1° North, 76.2° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Campanian 10 m.y. bin:Cretaceous 7
*Epoch:Senonian
Key time interval:Middle Campanian - Late/Upper Campanian
Age range of interval:83.60000 - 72.10000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Montana Formation:Judith River
Local section:JRWGV Local bed:2
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: Judithian based on fauna
Lithology and environment
Primary lithology: mudstone
Includes fossils?Y
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils
Collection methods and comments
Collection methods:bulk,field collection
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:14457
Authorizer:J. Alroy, M. Carrano Enterer:J. Alroy, M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2002-05-15 00:00:00 Last modified:2021-09-10 12:42:07
Access level:the public Released:2002-05-15 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
1098. R. W. Blob. 1992. B. A. thesis [J. Alroy/J. Alroy/M. Uhen]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
1488 A. R. Fiorillo. 1997. Stratigraphic distribution of fossil vertebrates in the Judith River Formation (Upper Cretaceous) of Wheatland and Golden Valley counties, south-central Montana. Northwest Geology 27:1-12 [J. Alroy/J. Alroy/M. Carrano]
13752ETE A. R. Fiorillo and P. J. Currie. 1994. Theropod teeth from the Judith River Formation (Upper Cretaceous) of south-central Montana. Journal of Vertebrate Paleontology 14(1):74-80 [M. Carrano/M. Carrano/M. Carrano]