MOR locality HC-517 (Cretaceous of the United States)

Also known as MOR HC-517; Charles M. Russell National Wildlife Refuge

Where: Garfield County, Montana (47.7° N, 107.2° W: paleocoordinates 54.5° N, 80.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Hell Creek Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• lower third of the Hell Creek Formation

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; siltstone

• locally slumped siltstone lens

Size class: macrofossils

Primary reference: J. R. Horner, M. B. Goodwin, and D. C. Evans. 2023. A new pachycephalosaurid from the Hell Creek Formation, Garfield County, Montana, U.S.A. Journal of Vertebrate Paleontology e2190369:1-14 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 230093: authorized by Philip Mannion, entered by Philip Mannion on 03.05.2023

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Ornithischia - Pachycephalosauridae
Platytholus clemensi n. gen. n. sp.
Platytholus clemensi n. gen. n. sp. Horner et al. 2023 ornithischian
MOR 2915 - holotype