USGS locality 4010, 4 mi SW of Winchester post office, WY, lower Fort Union Fm (Paleocene of the United States)

Where: Wyoming (43.9° N, 108.2° W: paleocoordinates 50.0° N, 86.9° W)

• coordinate based on political unit

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

• 'In upper part of lower scarp of section. Bighorn Basin.' From USGS unpublished log book.

•'lower Fort Union' From Brown.

• formation-level stratigraphic resolution

Environment/lithology: fluvial; siliciclastic sediments

• no lithologic information is given.

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by C.A. Fisher, Sept. 19, 1906.

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 40276: authorized by Peter Wilf, entered by Jocelyn Sessa on 21.06.2004

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.
Magnoliopsida
 Fagales - Fagaceae