PTRM V96003 (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 -4.50, K-T section 86148

• bed-level stratigraphic resolution

Environment/lithology: "floodplain"; 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 45135: authorized by Matthew Carrano, entered by Matthew Carrano on 06.10.2004, edited by Roger Benson

Creative Commons license: CC BY (attribution)

Taxonomic list

Actinopteri
 Amiiformes - Amiidae
"Kindleia fragosa" = Cyclurus fragosus
"Kindleia fragosa" = Cyclurus fragosus Jordan 1927 bowfin
 Lepisosteiformes - Lepisosteidae
Reptilia
 Testudines - Trionychidae
Trionychidae indet. Gray 1825 softshell turtle
 Testudines -
Compsemys victa Leidy 1856 turtle
 Testudines - Baenidae
Plesiobaena antiqua Lambe 1902 turtle
Boremys sp. Lambe 1906 turtle
PTRM 9471, posterior end of neural 1?
 Testudines - Adocidae
Adocus sp. Cope 1868 turtle
 Testudines - Panchelydridae
 Neornithischia - Ceratopsidae
Ceratopsidae indet. Marsh 1888 ceratopsid
 Choristodera -
Champsosaurus sp. Cope 1876 choristodere