Where: Bowman County, North Dakota (46.0° N, 103.8° W: paleocoordinates 52.6° N, 76.6° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Hell Creek Formation, Maastrichtian (72.1 - 66.0 Ma)
• datum -10.00, K-T section 9906
• bed-level stratigraphic resolution
Environment/lithology: crevasse splay; sandy siltstone
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 45113: authorized by Matthew Carrano, entered by Matthew Carrano on 06.10.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Ceratopsidae indet. Marsh 1888 ceratopsid | |
Richardoestesia isosceles Sankey 2001 maniraptoran | |
"Leidyosuchus sternbergi" = Borealosuchus sternbergii
"Leidyosuchus sternbergi" = Borealosuchus sternbergii Gilmore 1910 crocodilian | |
Lepidosauria indet. Haeckel 1866 lepidosaur | |
Trionychidae indet. Gray 1825 softshell turtle | |
Amphibia | |
Opisthotriton kayi Auffenberg 1961 salamander |