PTRM V93022: Late/Upper Maastrichtian, North Dakota

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Actinopteri - Amiiformes - Amiidae
Kindleia fragosa Jordan 1927
3 elements
recombined as Cyclurus fragosus
Reptilia
Champsosaurus sp. Cope 1876
Reptilia - Ceratopsidae
Ceratopsidae indet. Marsh 1888
1 specimen
Reptilia
Leidyosuchus sternbergi (Gilmore 1910)
recombined as Borealosuchus sternbergii
Mammalia - Multituberculata - Cimolomyidae
Meniscoessus robustus (Marsh 1889)
Mammalia
Theria indet. Parker and Haswell 1897
Amphibia - Temnospondyli - Urodela
Scapherpeton tectum Cope 1876
1 specimen
see common names

Geography
Country:United States State/province:North Dakota County:Bowman
Coordinates: 46.1° North, 103.8° West (view map)
Paleocoordinates:52.3° North, 77.3° West
Basis of coordinate:estimated from map
Altitude:914 meters
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
Key time interval:Late/Upper Maastrichtian
Age range of interval:72.10000 - 66.00000 m.y. ago
Stratigraphy
Formation:Hell Creek
Local section:Sunset Butte Local bed:25.30 m
Local order:top to bottom
Stratigraphic resolution:bed
Stratigraphy comments: datum -25.30, K-T section 9317
Lithology and environment
Primary lithology: sandstone
Includes fossils?Y
Environment:crevasse splay
Taphonomy
Modes of preservation:body
Degree of concentration:concentrated
Size of fossils:macrofossils,mesofossils
Disassociated major elements:many
Disassociated minor elements:many
Collection methods and comments
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:45124
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:G. Varnham Research group:vertebrate
Created:2004-10-06 10:55:18 Last modified:2022-02-01 07:50:16
Access level:the public Released:2004-10-06 10:55:18
Creative Commons license:CC BY
Reference information

Primary reference:
11749.ETE D. A. Pearson, T. Schaefer, K. R. Johnson, D. J. Nichols, and J. P. Hunter. 2002. Vertebrate biostratigraphy of the Hell Creek Formation in southwestern North Dakota and northwestern South Dakota. In J. H. Hartman, J. R. Johnson, and D. J. Nichols (eds.), The Hell Creek Formation and the Cretaceous-Tertiary Boundary in the Northern Great Plains: An Integrated Continental Record of the End of the Cretaceous, Geological Society of America Special Paper 361:145-167 [M. Carrano/M. Carrano/M. Carrano]