Where: Rosebud County, Montana (46.0° N, 106.2° W: paleocoordinates 51.7° N, 84.0° W)

• coordinate estimated from map

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

• In sandstone overlying the clinker of the Snyder Coal

Environment/lithology: fluvial; sandstone

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by R.W. Brown on July 1, 1929

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 53537: authorized by Peter Wilf, entered by Jocelyn Sessa on 11.09.2005

Creative Commons license: CC BY (attribution)