USGS locality 4395, 20 miles soutwest of Rawlins, WY, upper Fort Union Fm (Paleocene of the United States)

Where: Wyoming (41.8° N, 107.2° W: paleocoordinates 47.8° N, 86.6° W)

• coordinate based on political unit

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

• upper Fort Union

• formation-level stratigraphic resolution

Environment/lithology: fluvial; coal and white, conglomeratic sandstone

• somewhat conglomeratic basal white sandstone, overlain by coals.

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by T.W. Stanton, July 16, 1907.

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 40578: authorized by Peter Wilf, entered by Jocelyn Sessa on 25.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Species lists for Brown 1962 were compiled from the publication and provided for the Paleobiology Database by Drs. Steven R. Manchester and Peter R. Crane.