USGS locality 5509, 8 miles northeast of Parkman WY, lower Fort Union Fm (Paleocene of the United States)

Where: Wyoming (45.0° N, 107.3° W: paleocoordinates 50.9° N, 85.6° W)

• coordinate based on political unit

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

• lower Fort Union

Environment/lithology: fluvial; siliciclastic sediments

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by T.W. Stanton and R.W. Stone Sept. 4, 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 43303: authorized by Peter Wilf, entered by Jocelyn Sessa on 11.08.2004

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.
Angiospermae
 Trochodendrales - Trochodendraceae
Nordenskioldia borealis Heer 1870
seed
Bivalvia
 Actinodontida - Cycloconchidae
Davidia antiqua Manchester 2002 clam
seed