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 -89.40, K-T section 9906
• bed-level stratigraphic resolution
Environment/lithology: crevasse splay; 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: paleoecologic analysis
PaleoDB collection 45102: authorized by Matthew Carrano, entered by Matthew Carrano on 06.10.2004, edited by Roger Benson, Patricia Holroyd and Richard Butler
Creative Commons license: CC BY (attribution)
Taxonomic list
Osteichthyes | |
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Reptilia | |
Ceratopsidae indet. Marsh 1888 ceratopsid | |
Hadrosaurinae indet. Lambe 1918 hadrosaurine | |
Thescelosaurus neglectus Gilmore 1913 ornithopod | |
Caenagnathidae indet. Sternberg 1940 maniraptoran | |
Paronychodon lacustris Cope 1876 maniraptoran | |
Richardoestesia isosceles Sankey 2001 maniraptoran
Saurornitholestes sp. Sues 1978 maniraptoran | |
Tyrannosaurus rex Osborn 1905 tyrant lizard king | |
"Leidyosuchus sternbergi" = Borealosuchus sternbergii
"Leidyosuchus sternbergi" = Borealosuchus sternbergii Gilmore 1910 crocodilian | |
Thoracosaurus neocesariensis De Kay 1842 crocodilian | |
Brachychampsa montana Gilmore 1911 crocodilian | |
Champsosaurus sp. Cope 1876 choristodere | |
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Mammalia | |
Mammalia indet. mammal | |
Didelphodon sp. Marsh 1889 metatherian | |
Cimolodon nitidus Marsh 1889 multituberculate | |
Meniscoessus sp. Cope 1882 multituberculate
Meniscoessus robustus Marsh 1889 multituberculate | |
Amphibia | |
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Caudata indet. salamander | |
Habrosaurus dilatus Gilmore 1928 siren
Scapherpeton tectum Cope 1876 salamander | |
Actinopteri | |
Lepisosteus occidentalis Leidy 1856 gar | |
"Kindleia fragosa" = Cyclurus fragosus, Melvius thomasi
"Kindleia fragosa" = Cyclurus fragosus Jordan 1927 bowfin
Melvius thomasi Bryant 1987 bowfin | |
Belonostomus longirostris Lambe 1902 | |
Teleostei indet. Müller 1846 | |
Chondrichthyes | |
"Lissodus selachos" = Lonchidion selachos
"Lissodus selachos" = Lonchidion selachos Estes 1964 elasmobranch | |
Myledaphus bipartitus Cope 1876 guitarfish |