USGS locality 4620, Lebo Creek, MT, Fort Union Fm (Paleocene of the United States)

Where: Montana (46.3° N, 110.4° W: paleocoordinates 52.8° N, 88.4° W)

• coordinate based on nearby landmark

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

• lower Fort Union

• formation-level stratigraphic resolution

Environment/lithology: fluvial; sandstone and gray shale

• light sandstones and gray shales

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by Stanton & Fisher, Sept. 15, 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 40744: authorized by Peter Wilf, entered by Jocelyn Sessa on 29.06.2004

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
 Rosales - Ulmaceae
Ulmus rhamnifolia, Zelkova planeroides
Ulmus rhamnifolia Ward 1885 elm