Where: Wiley Quadrangle County, Wyoming (44.3° N, 108.8° W: paleocoordinates 50.3° N, 88.0° W)

• coordinate estimated from map

When: Fort Union Formation, Paleocene (65.5 - 55.8 Ma)

• This collection has no stratigraphic information; I am tentatively placing it in the Fort Union Fm because it is close to Fort Union localities.

Environment/lithology: fluvial; siliciclastic sediments

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by D.T. Hewett on July 20, 1911

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/J. Sessa] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 57954: authorized by Peter Wilf, entered by Jocelyn Sessa on 11.01.2006