USGS locality 4674, Shoshone River, WY, lower Fort Union Fm (Paleocene of the United States)

Where: Bighorn County, Wyoming (44.5° N, 109.1° W: paleocoordinates 50.8° N, 87.6° W)

• coordinate based on political unit

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

• lower Fort Union

• formation-level stratigraphic resolution

Environment/lithology: fluvial; siliciclastic sediments

• no lithologic information given

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by E. G. Woodruff, 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 40778: authorized by Peter Wilf, entered by Jocelyn Sessa on 30.06.2004

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.
Show authors, comments, and common names
Angiospermae
 Saxifragales - Cercidiphyllaceae
Cercidiphyllum arcticum