Also known as USGS 8459

Where: Grant County, North Dakota (46.7° N, 101.5° W: paleocoordinates 51.4° N, 79.2° W)

• coordinate estimated from map

When: Cannonball Formation, Paleocene (65.5 - 55.8 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

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 121277: authorized by Mark Uhen, entered by Mark Uhen on 01.12.2011