PTRM V86006 (Cretaceous of the United States)
Where: Slope County, North Dakota (46.4° N, 103.4° W)
• Paleocoordinates: 56.3° N, 61.5° W (Wright 2013)
• coordinate based on political unit
When: Hell Creek Formation, Maastrichtian (72.2 - 66.0 Ma)
• 33.65 meters below contact with overlying Fort Union Formation
Environment/lithology: "channel"; sandstone
• soft sandstone channel
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 190694: authorized by Patricia Holroyd, entered by Patricia Holroyd on 14.12.2017
Creative Commons license: CC0 (CC0)
Taxonomic list
Show authors, comments, and common names
| Reptilia | |
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Helopanoplia distincta Hay 1908 turtle | |