Where: North Dakota (47.4° N, 103.3° W: paleocoordinates 52.6° N, 80.2° W)

When: Fort Union Formation, Paleocene (66.0 - 56.0 Ma)

• 10 feet higher than clay of locality #8232

Environment/lithology: fluvial; claystone and brown shale

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by R. W. Brown on July 28, 1931

Primary reference: R. W. Brown. 1962. Paleocene flora of the Rocky Mountains and Great Plains. United States Geological Survey Professional Paper 375:1-119 [P. Wilf/J. Sessa/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 58083: authorized by Peter Wilf, entered by Jocelyn Sessa on 17.01.2006

Creative Commons license: CC BY (attribution)