Where: Colorado (39.5° N, 107.8° W: paleocoordinates 44.1° N, 92.3° W)

• coordinate based on political unit

When: Wasatch Formation, Early/Lower Eocene (55.8 - 48.6 Ma)

Environment/lithology: fluvial; gray, sandy shale

Size classes: mesofossils, microfossils

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Collected by R.W.Brown and T.D. Lamar in Sept. 11, 1939.

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 53070: authorized by Peter Wilf, entered by Jocelyn Sessa on 03.09.2005

Creative Commons license: CC BY (attribution)