Where: Montana (46.4° N, 105.8° W: paleocoordinates 52.5° N, 81.7° W)

• coordinate based on political unit

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

• Below coal in Tullock

Environment/lithology: fluvial; siliciclastic sediments

Size classes: mesofossils, microfossils

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Collected by R. W. Brown and F. S. MacNeill on Aug. 21, 1936

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 53691: authorized by Peter Wilf, entered by Jocelyn Sessa on 13.09.2005

Creative Commons license: CC BY (attribution)