Where: Montana (46.5° N, 108.1° W: paleocoordinates 52.5° N, 85.8° W)

• coordinate based on political unit

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

• upper Fort Union, base of somber beds

Environment/lithology: fluvial; siliciclastic sediments

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by R.W. Stone, B. Kennedy, June 15, 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 43314: authorized by Peter Wilf, entered by Jocelyn Sessa on 11.08.2004

Creative Commons license: CC BY (attribution)