Fort Peck Reservoir (MOR BS-104) (Cretaceous of the United States)

Also known as MOR locality BS-104; MOR BS 104

Where: Valley County, Montana (47.8° N, 106.7° W: paleocoordinates 54.1° N, 71.8° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Bearpaw Shale Formation, Campanian (83.6 - 72.1 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Preservation: concretion

Collected in 1988

Primary reference: R. S. Cuthbertson and R. B. Holmes. 2015. A new species of Plioplatecarpus (Mosasauridae, Plioplatecarpinae) from the Bearpaw Formation (Campanian, Upper Cretaceous) of Montana, USA. Journal of Vertebrate Paleontology 35(3):e922980:1-18 [G. Liggett/G. Liggett/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 194178: authorized by Philip Mannion, entered by Philip Mannion on 15.06.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Squamata - Mosasauridae
Plioplatecarpus peckensis n. sp. Cuthbertson and Holmes 2015 mosasaur
MOR 1062 (holotype), disarticulated skull, 26 vertebrae, most of which form an articulated series, and rib fragments