USGS locality 4293, Hedges coal mine, Miles City, MT, lower Fort Union Fm (Paleocene of the United States)

Where: Custer County, Montana (46.4° N, 105.8° W: paleocoordinates 52.1° N, 83.4° 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; coal

• 8 feet above coal (Coal is 50 ft above River). From USGS unpublished log book.

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by Peale, Collier & Knowlton, Aug. 3, 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 40440: authorized by Peter Wilf, entered by Jocelyn Sessa on 23.06.2004

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
Hepaticae
 Marchantiales - Marchantiaceae
Marchantia pealei
Marchantia pealei Knowlton 1908 liverwort