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.
Show authors, comments, and common names
Bivalvia
 Actinodontida - Cycloconchidae
"Davidia antiqua" = Actinodonta2
"Davidia antiqua" = Actinodonta2 Philipps 1848 clam
seed
Phyllites
  -
Phyllites disturbans, Phyllites demoresi
Angiospermae
 Fagales - Juglandaceae
"Carya antiquorum" = Hicoria antiquora, Juglans taurina
"Carya antiquorum" = Hicoria antiquora Newberry 1868
 Rosales - Ulmaceae
Chaetoptelea microphylla1
Chaetoptelea microphylla1 Newberry 1868 elm
 Saxifragales - Cercidiphyllaceae
Cercidiphyllum articum
 Coniferales - Cupressaceae
Metasequoia occidentalis
Metasequoia occidentalis Chaney 1951 dawn redwood
1Hickey 1977; 2Manchester 2002