DMNH 5873 (Cretaceous of the United States)

Where: Slope County, North Dakota (46.4° N, 103.4° W: paleocoordinates 52.6° N, 76.2° W)

• coordinate based on political unit

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

• 13 m below the contact with overlying Fort Union Formation

Environment/lithology: fluvial; siltstone

• iron rich siltstone

Size class: macrofossils

Primary reference: W. G. Joyce and T. R. Lyson. 2017. The shell morphology of the latest Cretaceous (Maastrichtian) trionychid turtle Helopanoplia distincta. PeerJ 5(e4169):1-20 [P. Holroyd/P. Holroyd]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 190695: authorized by Patricia Holroyd, entered by Patricia Holroyd on 14.12.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Testudines - Pantrionychidae
Helopanoplia distincta Hay 1908 turtle