PTRM V88013, Mud Buttes (Cretaceous of the United States)

Where: Bowman County, North Dakota (46.0° N, 103.8° W: paleocoordinates 52.6° N, 76.6° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• datum -10.62, K-T section 9906

• 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 45117: authorized by Matthew Carrano, entered by Matthew Carrano on 06.10.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Myliobatiformes - Dasyatidae
Myledaphus bipartitus Cope 1876 whiptail stingray
Actinopteri
 Amiiformes - Amiidae
Melvius thomasi, "Kindleia fragosa" = Cyclurus fragosus
Melvius thomasi Bryant 1987 bowfin
"Kindleia fragosa" = Cyclurus fragosus Jordan 1927 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 - Adocidae
Adocus sp. Cope 1868 turtle
 Neornithischia - Ceratopsidae
Ceratopsidae indet. Marsh 1888 ceratopsid
 Crocodylia -
"Leidyosuchus sternbergi" = Borealosuchus sternbergii
"Leidyosuchus sternbergi" = Borealosuchus sternbergii Gilmore 1910 crocodilian
 Eosuchia -
Lepidosauria indet. Haeckel 1866 lepidosaur
 Choristodera -
Champsosaurus sp. Cope 1876 choristodere