USGS locality 4876, 3 miles northwest of Monarch, WY, lower Fort Union Fm (Paleocene of the United States)

Where: Wyoming (44.9° N, 107.0° W: paleocoordinates 50.8° N, 85.3° W)

• coordinate based on political unit

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

• lower Fort Union, from sandstone 40 feet above Master's coal - from USGS unpublished log book.

• formation-level stratigraphic resolution

Environment/lithology: fluvial; sandstone

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by T.E. Willard, July 30, 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 40833: authorized by Peter Wilf, entered by Jocelyn Sessa on 01.07.2004

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.
Dicotyledonae
 Urticales - Dilleniidae
Magnoliopsida
 Magnoliales - Lauraceae
Sassafras thermale Brown 1962 sassafras
Juglandicarya
  -
Juglandicarya sp. Reid and Chandler 1933
nut