USGS locality 4264, Bluffs on the Little Missouri River, ND, upper Fort Union Fm (Paleocene of the United States)

Also known as USGS locality 4264, USGS locality 4262

Where: North Dakota (46.9° N, 103.5° W: paleocoordinates 52.1° N, 80.7° W)

• coordinate based on political unit

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

• upper Fort Union

• formation-level stratigraphic resolution

Environment/lithology: fluvial; coal

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by F.H. Knowlton, July 8, 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 40390: authorized by Peter Wilf, entered by Jocelyn Sessa on 22.06.2004

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.
 Cardiidia - Grammysiidae
"Davidia antiqua" = Actinodonta2
"Davidia antiqua" = Actinodonta2 Philipps 1848 clam
 Pinales - Taxodiaceae
Metasequoia occidentalis Chaney 1951 dawn redwood
 Urticales - Dilleniidae
 Scrophulariales - Asteridae
 Juglandales - Hamamelidae
Carya antiquorum Newberry 1868 hickory
 Saxifragales - Cercidiphyllaceae