NDGS L151, Morton County (Cretaceous of the United States)

Where: Emmons County, North Dakota (46.4° N, 100.7° W: paleocoordinates 52.0° N, 73.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Fox Hills Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: coastal; poorly lithified sandstone

Size class: mesofossils

Collection methods: Repository: North Dakota State Fossil Collection at the North Dakota Heritage Center (State Museum)

Primary reference: J. W. Hoganson, J. M. Erickson, and F. D. Holland. 2019. Chondrichthyan and osteichthyan paleofaunas from the Cretaceous (Late Maastrichtian) Fox Hills Formation of North Dakota, USA: paleoecology, paleogeography, and extinction. Bulletins of American Paleontology 398:1-94 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 213595: authorized by Matthew Clapham, entered by Matthew Clapham on 06.09.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Lamniformes - Carchariidae
Carcharias samhammeri Cappetta and Case 1975 sand shark
 Lamniformes - Alopiidae
Paranomotodon toddi Case and Cappetta 1997 thresher shark