USGS locality 7659, 10 miles west of Colstrip, Lower Sentinel Butte Shale (Paleocene of the United States)

Where: Montana (45.9° N, 106.8° W: paleocoordinates 51.7° N, 84.7° W)

• coordinate estimated from map

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

• Lower part of Sentinel Butte Shale member of Fort Union Fm

Environment/lithology: fluvial; shale

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by C.E. Dobbin in 1923

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 53528: authorized by Peter Wilf, entered by Jocelyn Sessa on 11.09.2005

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.
Phyllites
  -
Angiospermae
 Vitales - Vitaceae
Ampelopsis acerifolia Newberry 1868