PTRM V97006 (Cretaceous of the United States)

Where: Bowman County, North Dakota (46.2° N, 103.8° W: paleocoordinates 52.4° 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 -27.00, K-T secetion 9317

• 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 45122: authorized by Matthew Carrano, entered by Matthew Carrano on 06.10.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Acipenseriformes - Acipenseridae
Acipenser sp. Linnaeus 1758 sturgeon
listed as cf. "Acipenser"
Reptilia
 Ornithischia - Ceratopsidae
Ceratopsidae indet. Marsh 1888 ceratopsid
 Ornithischia - Hadrosauridae
Hadrosaurinae indet. Lambe 1918 hadrosaurine
 Theropoda - Coeluridae
"Coelurosauridae indet." = Coeluridae
"Coelurosauridae indet." = Coeluridae Marsh 1881 coelurid
 Theropoda - Dromaeosauridae
Richardoestesia isosceles Sankey 2001 maniraptoran
Aves
  -
Aves indet. Linnaeus 1758 bird
Reptilia
 Crocodylia - Alligatoridae
Brachychampsa montana Gilmore 1911 crocodilian
 Choristodera -
Champsosaurus sp. Cope 1876 choristodere
 Testudinata - Baenidae
Baenidae indet. Cope 1882 turtle
 Testudines - Adocidae
Adocus sp. Cope 1868 turtle
 Testudines - Trionychidae
Trionychidae indet. Gray 1825 softshell turtle
Actinopteri
 Lepisosteiformes - Lepisosteidae
 Amiiformes - Amiidae
"Kindleia fragosa" = Cyclurus fragosus
"Kindleia fragosa" = Cyclurus fragosus Jordan 1927 bowfin
Chondrichthyes
 Rajiformes - Rhinobatidae
Myledaphus bipartitus Cope 1876 guitarfish