USGS locality 3728 Williston, ND, lower Fort Union Fm (Paleocene of the United States)

Where: North Dakota (48.1° N, 103.6° W: paleocoordinates 53.4° N, 80.3° W)

• coordinate based on political unit

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

• lower Fort Union

• formation-level stratigraphic resolution

Environment/lithology: fluvial; shelly/skeletal, gray, white, silty sandstone and coal

• 'grayish-white quartzitic sandstone containing a zone of silicifed wood...this bed is about 90 feet below a large coal seam.' Brown does not specify what unit the plant remains come from.

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by M.R. Campbell, 1905.

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 40145: authorized by Peter Wilf, entered by Jocelyn Sessa on 18.06.2004

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
 Oxalidales - Oxalidaceae
"Sapindus affinis" = Averrhoites affinis
"Sapindus affinis" = Averrhoites affinis Newberry 1868 wood sorrel