PTRM V92029, Doaks Butte (Cretaceous of the United States)

Where: Harding County, South Dakota (45.9° N, 103.9° W: paleocoordinates 52.2° N, 77.5° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Hell Creek Formation (Montana Group), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• datum -60.00, K-T section 9906

• bed-level stratigraphic resolution

Environment/lithology: "channel"; sandstone

Size classes: macrofossils, mesofossils

Primary reference: 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]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 45388: authorized by Matthew Carrano, entered by Matthew Carrano on 20.10.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Theropoda - Ornithomimidae
Ornithomimidae indet. Marsh 1890 ornithomimid
 Theropoda - Caenagnathidae
Caenagnathidae indet. Sternberg 1940 maniraptoran
 Theropoda - Tyrannosauridae
Tyrannosaurus rex Osborn 1905 tyrant lizard king
 Loricata -
"Leidyosuchus sternbergi" = Borealosuchus sternbergii
"Leidyosuchus sternbergi" = Borealosuchus sternbergii Gilmore 1910 crocodilian
 Choristodera -
Champsosaurus sp. Cope 1876 choristodere
 Testudines - Trionychidae
Trionychidae indet. Gray 1825 softshell turtle
 Testudines - Adocidae
Adocus sp. Cope 1868 turtle
 Testudinata -
Compsemys victa Leidy 1856 turtle
 Testudinata - Baenidae
Baenidae indet. Cope 1882 turtle