Karen's Quarry (KQ): Middle Campanian - Late Campanian, Montana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Actinopteri - Lepisosteiformes - Lepisosteidae
Lepisosteus sp. Agassiz 1843
Reptilia - Testudines - Trionychidae
Aspideretes sp. Hay 1904
    = Trionychinae indet. Gray 1825
Alroy 2007
Reptilia - Ceratopsidae
Ceratopsidae indet. Marsh 1888
Reptilia
Stegoceras sp. Lambe 1902
Reptilia - Hadrosauridae
Hadrosauridae indet. Cope 1869
see common names

Geography
Country:United States State/province:Montana County:Wheatland
Coordinates: 46.5° North, 109.4° West (view map)
Paleocoordinates:53.6° North, 76.3° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Campanian 10 m.y. bin: Cretaceous 7
Key time interval: Middle Campanian - Late Campanian
Age range of interval: 83.6 - 72.1 m.y. ago
Stratigraphy
Geological group:Montana Formation:Judith River
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: mudstone
Includes fossils?Y
Environment:"channel"
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils
Disassociated major elements:some
Disassociated minor elements:some
Collection methods and comments
Collection methods:bulk,field collection
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:50906
Authorizer:M. Carrano, J. Alroy Enterer:M. Carrano, J. Alroy
Modifier:M. Carrano Research group:vertebrate
Created:2005-05-24 07:36:47 Last modified:2021-09-10 12:46:22
Access level:the public Released:2005-05-24 07:36:47
Creative Commons license:CC BY
Reference information

Primary reference:
1487. A. R. Fiorillo. 1989. The vertebrate fauna from the Judith River Formation (Late Cretaceous) of Wheatland and Golden Valley counties, Montana. Mosasaur 4:127-142 [J. Alroy/J. Alroy/H. Street]

Secondary references:

19636 J. Alroy. 2007. Synonymies and reidentifications of North American fossil vertebrates and so forth. [J. Alroy/J. Alroy]
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]