NDGS loc. 64 (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)
• upper 25 meters of formation
Environment/lithology: fluvial; sandstone
• soft, tan, finely bedded sandstone
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 190693: authorized by Patricia Holroyd, entered by Patricia Holroyd on 14.12.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Reptilia | |
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Helopanoplia distincta Hay 1908 turtle | |