Where: Emmons County, North Dakota (46.3° N, 100.3° W: paleocoordinates 51.8° N, 73.5° 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 213596: authorized by Matthew Clapham, entered by Matthew Clapham on 06.09.2020
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
Carcharias samhammeri Cappetta and Case 1975 sand shark |