Where: Montana (46.5° N, 108.0° W: paleocoordinates 52.5° N, 85.7° W)

• coordinate estimated from map

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

• upper Fort Union

Environment/lithology: fluvial; siliciclastic sediments

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by R.W. Stone, B. Kennedy, June 16, 1909.

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 43401: authorized by Peter Wilf, entered by Jocelyn Sessa on 13.08.2004

Creative Commons license: CC BY (attribution)