PTRM V91014, Doaks Butte (Cretaceous of the United States)

Where: Harding County, South Dakota (45.9° N, 103.9° W: paleocoordinates 52.3° N, 77.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• datum -75.00, K-T section 9906

• bed-level stratigraphic resolution

Environment/lithology: crevasse splay; 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 45391: authorized by Matthew Carrano, entered by Matthew Carrano on 20.10.2004

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 - Compsemydidae
Compsemys victa Leidy 1856 turtle
 Testudines - Pantrionychidae
Helopanoplia distincta Hay 1908 turtle
 Testudines - Adocidae
Adocus sp. Cope 1868 turtle
 Avetheropoda - Dromaeosauridae
Richardoestesia isosceles Sankey 2001 coelurosaur
 Choristodera -
Champsosaurus sp. Cope 1876 choristodere