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
Bivalvia | |
"Davidia antiqua" = Actinodonta2
| |
Angiospermae | |
| |
"Carya antiquorum" = Hicoria antiquora, Juglans taurina
"Carya antiquorum" = Hicoria antiquora Newberry 1868
Juglans taurina walnut | |
Cercidiphyllum articum katsura | |
Metasequoia occidentalis Chaney 1951 dawn redwood | |
Phyllites | |