Where: Wyoming (44.8° N, 107.0° W: paleocoordinates 50.7° N, 85.2° W)

• coordinate based on political unit

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

• This collection has no stratigraphic information; I am tentatively placing it in the Fort Union Fm because it is close to Fort Union localities.

Environment/lithology: fluvial; siliciclastic sediments

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by R.W. Brown on Sept. 10, 1940

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 57991: authorized by Peter Wilf, entered by Jocelyn Sessa on 14.01.2006

Creative Commons license: CC BY (attribution)