PTRM V92027, Doaks Butte: Late/Upper Maastrichtian, South Dakota

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Caenagnathidae
Caenagnathidae indet. Sternberg 1940
1 specimen
Reptilia - Tyrannosauridae
Tyrannosaurus rex Osborn 1905
3 specimens
Reptilia
Champsosaurus sp. Cope 1876
3 specimens
Reptilia - Testudines
Helopanoplia distincta Hay 1908
1 specimen
Reptilia - Testudines - Trionychidae
Trionychidae indet. Gray 1825
1 specimen
Actinopteri - Amiiformes - Amiidae
Kindleia fragosa Jordan 1927
1 specimen
recombined as Cyclurus fragosus
Chondrichthyes - Rajiformes - Rhinobatidae
Myledaphus bipartitus Cope 1876
2 specimens
see common names

Geography
Country:United States State/province:South Dakota County:Harding
Coordinates: 45.9° North, 103.9° West (view map)
Paleocoordinates:52.2° North, 77.5° West
Basis of coordinate:estimated from map
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:70.60000 - 66.00000 m.y. ago
Stratigraphy
Geological group:Montana Formation:Hell Creek
Local section:Doaks Butte Local bed:67.00 m
Local order:top to bottom
Stratigraphic resolution:bed
Stratigraphy comments: datum -67.00, K-T section 9906
Lithology and environment
Primary lithology: sandstone
Includes fossils?Y
Environment:"channel"
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:45389
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:G. Varnham Research group:vertebrate
Created:2004-10-20 06:30:07 Last modified:2022-03-28 04:48:36
Access level:the public Released:2004-10-20 06:30:07
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]