USGS locality 4665, 2 miles north of Ilo post office, WY lower Fort Union Fm (Paleocene of the United States)

Where: Bighorn County, Wyoming (43.9° N, 108.5° W: paleocoordinates 50.0° N, 87.3° W)

• coordinate estimated from map

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

• lower Fort Union

• formation-level stratigraphic resolution

Environment/lithology: fluvial; coal

• 'Gwynn coal prospect' - from USGS unpublished log book.

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by E. G. Woodruff, Sept. 2, 1907.

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 40776: authorized by Peter Wilf, entered by Jocelyn Sessa on 30.06.2004

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.
Show authors, comments, and common names
Angiospermae
 Magnoliales - Magnoliaceae
Magnolia magnifolia
Magnolia magnifolia Knowlton 1918 magnolia
 Laurales - Lauraceae
Sassafras thermale
Sassafras thermale Brown 1962 sassafras