Where: Montana (47.1° N, 104.7° W: paleocoordinates 52.5° N, 81.9° W)

• coordinate based on political unit

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

• middle Fort Union

• formation-level stratigraphic resolution

Environment/lithology: fluvial; carbonaceous shale

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by C. A. White, August 17, 1882

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 40098: authorized by Peter Wilf, entered by Jocelyn Sessa on 17.06.2004

Creative Commons license: CC BY (attribution)