Where: Wyoming (44.3° N, 105.5° W: paleocoordinates 49.9° N, 83.8° 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, F. S. MacNeill on Sept. 4, 1936

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 57974: authorized by Peter Wilf, entered by Jocelyn Sessa on 12.01.2006

Creative Commons license: CC BY (attribution)