Also known as USGS 16011; USGS 16012

Where: Morton County, North Dakota (47.0° N, 100.9° W: paleocoordinates 51.6° N, 78.5° 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 121254: authorized by Mark Uhen, entered by Mark Uhen on 01.12.2011