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