Also known as USGS locality 2423, USGS locality 4984
Where: Montana (45.8° N, 108.5° W: paleocoordinates 51.9° N, 86.5° W)
• coordinate based on political unit
When: Fort Union Formation, Paleocene (66.0 - 56.0 Ma)
• upper Fort Union Fm
• formation-level stratigraphic resolution
Environment/lithology: fluvial; coal
Reposited in the USNM
Collection methods: quarrying, mechanical,
• Specimens were collected by Hayden and Peale, August 17, 1883
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 40104: authorized by Peter Wilf, entered by Jocelyn Sessa on 17.06.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Angiospermae | |
Juglans taurina walnut | |
Betula stevensoni birch |