PTRM V96005 (Cretaceous of the United States)

Where: Bowman County, North Dakota (46.2° N, 103.8° W: paleocoordinates 52.5° N, 76.6° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Hell Creek Formation, Maastrichtian (72.1 - 66.0 Ma)

• datum -5.50, K-T section 86148

• bed-level stratigraphic resolution

Environment/lithology: "channel"; silty mudstone

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 45133: authorized by Matthew Carrano, entered by Matthew Carrano on 06.10.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Actinopteri
 Acipenseriformes - Acipenseridae
cf. Acipenser sp. Linnaeus 1758 sturgeon
listed as cf. "Acipenser"
 Amiiformes - Amiidae
Melvius thomasi Bryant 1987 bowfin
 Lepisosteiformes - Lepisosteidae
Osteichthyes
 Caudata - Urodela
Scapherpeton tectum Cope 1876 salamander
Reptilia
 Testudines - Trionychidae
Trionychidae indet. Gray 1825 softshell turtle
 Testudines -
Compsemys victa Leidy 1856 turtle
 Testudines - Baenidae
Baenidae indet. Cope 1882 turtle
Plesiobaena antiqua Lambe 1902 turtle
 Testudines - Adocidae
Adocus sp. Cope 1868 turtle
 Testudines - Panchelydridae
 Neornithischia - Ceratopsidae
Ceratopsidae indet. Marsh 1888 ceratopsid