Also known as Northwest of Marmarth
Where: Slope County, North Dakota (46.3° N, 103.9° W: paleocoordinates 52.5° N, 77.3° W)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Hell Creek Formation, Lancian (70.6 - 66.0 Ma)
Environment/lithology: terrestrial; mudstone
Size class: macrofossils
Collected by Appalachian State University in 1975
Primary reference: S. E. Jasinski, A. B. Heckert, C. Sailar, A. J. Lichtig, S. G. Lucas and P. Dodson. 2022. A softshell turtle (Testudines: Trionychidae: Plastomeninae) from the uppermost Cretaceous (Maastrichtian) Hell Creek Formation, North Dakota, USA, with implications for the evolutionary relationships of plastomenines and other trionychids. Cretaceous Research 135:105172 [P. Mannion/G. Varnham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 224667: authorized by Philip Mannion, entered by Grace Varnham on 28.03.2022, edited by Philip Mannion
Creative Commons license: CC BY (attribution)
Taxonomic list
| Reptilia | |
Hutchemys walkerorum n. sp.
Hutchemys walkerorum n. sp. Jasinski et al. 2022 turtle Holotype: BDM 063, an incomplete carapace representing the majority of the anterior of the carapace
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Triceratops sp. Marsh 1889 ceratopsid BDM 061 (incomplete skull and numerous postcranial bones); briefly mentioned by Farke et al. (2009) as “ASU unnumbered”
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