USGS locality 5618, WY-MT state line east from Powder River, upper Fort Union Fm (Paleocene of the United States)

Where: Montana (44.5° N, 105.5° W: paleocoordinates 50.1° N, 83.7° W)

• coordinate estimated from map

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

• upper Fort Union

Environment/lithology: fluvial; siliciclastic sediments

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by H. Hindus, C.J. Lupton, October 13, 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 43404: authorized by Peter Wilf, entered by Jocelyn Sessa on 13.08.2004

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.
Show authors, comments, and common names
Angiospermae
 Trochodendrales - Trochodendraceae
Nordenskioldia borealis
Nordenskioldia borealis Heer 1870
seed
 Laurales - Lauraceae
Sassafras thermale, Lindera obtusata
Sassafras thermale Brown 1962 sassafras
Lindera obtusata Brown 1962 laurel