USGS locality 5863, near Belle Fourche River, Fort Union Fm (Paleocene of the United States)

Where: Wyoming (44.1° N, 105.3° W: paleocoordinates 49.7° N, 83.7° W)

• coordinate estimated from map

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

Environment/lithology: fluvial; siliciclastic sediments

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Collected by J.J. Galloway on July 15, 1910

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 57928: authorized by Peter Wilf, entered by Jocelyn Sessa on 10.01.2006

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.
Angiospermae
 Rosales - Rhamnaceae
Rhamnus cleburni Lesquereux 1872 buckthorn