Where: Slope County, North Dakota (46.3° N, 103.9° W: paleocoordinates 52.5° 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 -29.18, K-T section 86148
• bed-level stratigraphic resolution
Environment/lithology: "channel"; sandstone
Size classes: macrofossils, mesofossils
Collection methods: bulk, sieve,
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 45144: authorized by Matthew Carrano, entered by Matthew Carrano on 07.10.2004, edited by Patricia Holroyd and Richard Butler
Creative Commons license: CC BY (attribution)
Taxonomic list
Osteichthyes | |
| |
Mammalia | |
Theria indet. Parker and Haswell 1897 mammal | |
"Cimolestes magnus" = Altacreodus magnus
"Cimolestes magnus" = Altacreodus magnus Clemens and Russell 1965 creodont | |
Cimolodon nitidus Marsh 1889 multituberculate | |
Meniscoessus sp. Cope 1882 multituberculate | |
Reptilia | |
Compsemys victa Leidy 1856 turtle | |
Baenidae indet. Cope 1882 turtle
Plesiobaena antiqua Lambe 1902 turtle | |
"Kinosternidae indet." = Kinosternoidea
"Kinosternidae indet." = Kinosternoidea Hay 1892 mud turtle | |
Helopanoplia distincta Hay 1908 turtle | |
Chelydridae indet. Swainson 1839 turtle | |
Trionychidae indet. Gray 1825 softshell turtle | |
Adocus sp. Cope 1868 turtle | |
Basilemys sinuosa Riggs 1906 turtle | |
"Leidyosuchus sternbergi" = Borealosuchus sternbergii
"Leidyosuchus sternbergi" = Borealosuchus sternbergii Gilmore 1910 crocodilian | |
Brachychampsa montana Gilmore 1911 crocodilian | |
Thoracosaurus neocesariensis De Kay 1842 crocodilian | |
Ceratopsidae indet. Marsh 1888 ceratopsid | |
Thescelosaurus neglectus Gilmore 1913 ornithopod | |
Hadrosaurinae indet. Lambe 1918 hadrosaurine | |
Paronychodon lacustris Cope 1876 maniraptoran | |
Richardoestesia isosceles Sankey 2001 maniraptoran | |
Aves | |
Aves indet. Linnaeus 1758 bird | |
Hesperornithiformes indet. Fürbringer 1888 bird | |
Reptilia | |
Tyrannosaurus rex Osborn 1905 tyrant lizard king | |
Lepidosauria indet. Haeckel 1866 lepidosaur | |
Champsosaurus sp. Cope 1876 choristodere | |
Amphibia | |
Caudata indet. salamander | |
Opisthotriton kayi Auffenberg 1961 salamander | |
Scapherpeton tectum Cope 1876 salamander
Habrosaurus dilatus Gilmore 1928 siren | |
Actinopteri | |
"Kindleia fragosa" = Cyclurus fragosus, Melvius thomasi
"Kindleia fragosa" = Cyclurus fragosus Jordan 1927 bowfin
Melvius thomasi Bryant 1987 bowfin | |
Lepisosteus occidentalis Leidy 1856 gar | |
Teleostei indet. Müller 1846 | |
Belonostomus longirostris Lambe 1902 | |
Osteichthyes | |
cf. Acipenser sp. Linnaeus 1758 sturgeon | |
Chondrichthyes | |
Myledaphus bipartitus Cope 1876 guitarfish | |
"Squatirhina americana" = Restesia americana
"Squatirhina americana" = Restesia americana Estes 1964 wobbegong | |
"Lissodus selachos" = Lonchidion selachos
"Lissodus selachos" = Lonchidion selachos Estes 1964 elasmobranch |