PTRM V91014, Doaks Butte: Maastrichtian, South Dakota

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Testudines - Trionychidae
Trionychidae indet. Gray 1825
1 specimen
Reptilia - Testudines - Adocidae
Adocus sp. Cope 1868
1 specimen
Reptilia - Testudines
Helopanoplia distincta Hay 1908
1 specimen
Reptilia
Compsemys victa (Leidy 1856)
1 specimen
Champsosaurus sp. Cope 1876
1 specimen
Reptilia - Dromaeosauridae
Richardoestesia isosceles Sankey 2001
1 specimen
Actinopteri - Amiiformes - Amiidae
Kindleia fragosa Jordan 1927
1 specimen
recombined as Cyclurus fragosus
Actinopteri - Lepisosteiformes - Lepisosteidae
Lepisosteus occidentalis (Leidy 1856)
1 specimen
original and current combination Lepidotus occidentalis
see common names

Geography
Country:United States State/province:South Dakota County:Harding
Coordinates: 45.9° North, 103.9° West (view map)
Paleocoordinates:52.3° North, 77.0° 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:Maastrichtian
Age range of interval:72.10000 - 66.00000 m.y. ago
Stratigraphy
Formation:Hell Creek
Local section:Doaks Butte Local bed:75.00 m
Local order:top to bottom
Stratigraphic resolution:bed
Stratigraphy comments: datum -75.00, K-T section 9906
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:some
Disassociated minor elements:some
Collection methods and comments
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:45391
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2004-10-20 06:43:33 Last modified:2005-06-09 16:23:17
Access level:the public Released:2004-10-20 06:43:33
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]