Where: Bowman County, North Dakota (45.9° N, 104.0° W: paleocoordinates 52.2° N, 77.5° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Hell Creek Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• datum -80.16, 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 45098: authorized by Matthew Carrano, entered by Matthew Carrano on 06.10.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Mammalia indet. mammal | |
Theria indet. Parker and Haswell 1897 mammal | |
Reptilia | |
"Leidyosuchus sternbergi" = Borealosuchus sternbergii
"Leidyosuchus sternbergi" = Borealosuchus sternbergii Gilmore 1910 crocodilian | |
Brachychampsa montana Gilmore 1911 crocodilian | |
Thescelosaurus neglectus Gilmore 1913 ornithopod | |
Hadrosaurinae indet. Lambe 1918 hadrosaurine | |
Paronychodon lacustris Cope 1876 maniraptoran | |
Richardoestesia isosceles Sankey 2001 maniraptoran
Saurornitholestes sp. Sues 1978 maniraptoran | |
Aves | |
Aves indet. Linnaeus 1758 bird | |
Reptilia | |
Tyrannosaurus rex Osborn 1905 tyrant lizard king | |
Lepidosauria indet. Haeckel 1866 lepidosaur | |
Amphibia | |
Opisthotriton kayi Auffenberg 1961 salamander | |
Actinopteri | |
"Kindleia fragosa" = Cyclurus fragosus
"Kindleia fragosa" = Cyclurus fragosus Jordan 1927 bowfin | |
Lepisosteus occidentalis Leidy 1856 gar | |
Teleostei indet. Müller 1846 | |
Belonostomus longirostris Lambe 1902 | |
Chondrichthyes | |
Myledaphus bipartitus Cope 1876 guitarfish |