Where: Morton County, North Dakota (46.5° N, 101.1° W: paleocoordinates 51.4° N, 78.2° W)
• coordinate estimated from map
When: Cannonball Formation, Paleocene (66.0 - 56.0 Ma)
• formation-level stratigraphic resolution
Environment/lithology: marine; poorly lithified, fine-grained, gray sandstone
Size class: macrofossils
Primary reference: A. M. Cvancara. 1966. Revision of the fauna of the Cannonball Formation (Paleocene) of North and South Dakota. Contributions from the Museum of Paleontology The University of Michigan 20(10):1-97 [M. Uhen/M. Uhen]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 121261: authorized by Mark Uhen, entered by Mark Uhen on 01.12.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
? Nototeredo globosa Meek and Hayden 1858 clam |