Where: Bowman County, North Dakota (46.0° N, 103.8° W: paleocoordinates 52.2° N, 77.3° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Hell Creek Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• datum -2.37, K-T section 9906
• bed-level stratigraphic resolution
Environment/lithology: "floodplain"; 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 45120: authorized by Matthew Carrano, entered by Matthew Carrano on 06.10.2004, edited by Patricia Holroyd
Creative Commons license: CC BY (attribution)
Taxonomic list
Amphibia | |
Caudata indet. salamander | |
Albanerpetontidae indet. Fox and Naylor 1982 tetrapod | |
Reptilia | |
Ceratopsidae indet. Marsh 1888 ceratopsid | |
Richardoestesia isosceles Sankey 2001 maniraptoran | |
Brachychampsa montana Gilmore 1911 crocodilian | |
"Leidyosuchus sternbergi" = Borealosuchus sternbergii
"Leidyosuchus sternbergi" = Borealosuchus sternbergii Gilmore 1910 crocodilian | |
Champsosaurus sp. Cope 1876 choristodere | |
Trionychidae indet. Gray 1825 softshell turtle | |
Actinopteri | |
"Kindleia fragosa" = Cyclurus fragosus
"Kindleia fragosa" = Cyclurus fragosus Jordan 1927 bowfin | |
Lepisosteus occidentalis Leidy 1856 gar |