USGS locality 7685, Tongue River coal field; in sandstone above Rosebud coal (Paleocene of the United States)

Where: Montana (45.7° N, 106.4° W)

• Paleocoordinates: 55.3° N, 69.1° W (Wright 2013)

• coordinate estimated from map

When: Tullock Formation, Early/Lower Paleocene (66.0 - 61.7 Ma)

• in sandstone above Rosebud coal

Environment/lithology: fluvial; coal

• Tullock - somber colored beds, coal bearing

Size classes: mesofossils, microfossils

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by Bass on Aug. 24, 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 53530: authorized by Peter Wilf, entered by Jocelyn Sessa on 11.09.2005

Creative Commons license: CC0 (CC0)

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.
Angiospermae
 Rosales - Ulmaceae
 Garryales - Eucommiaceae