Where: Harding County, South Dakota (45.9° N, 103.9° W: paleocoordinates 52.3° N, 77.0° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Hell Creek Formation, Maastrichtian (72.1 - 66.0 Ma)
• datum -75.00, K-T section 9906
• bed-level stratigraphic resolution
Environment/lithology: crevasse splay; 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 45391: authorized by Matthew Carrano, entered by Matthew Carrano on 20.10.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Compsemys victa Leidy 1856 turtle | |
Adocus sp. Cope 1868 turtle | |
Helopanoplia distincta Hay 1908 turtle | |
Trionychidae indet. Gray 1825 softshell turtle | |
Richardoestesia isosceles Sankey 2001 maniraptoran | |
Champsosaurus sp. Cope 1876 choristodere | |
Actinopteri | |
Lepisosteus occidentalis Leidy 1856 gar | |
"Kindleia fragosa" = Cyclurus fragosus
"Kindleia fragosa" = Cyclurus fragosus Jordan 1927 bowfin |