USGS locality 5388 Rolstons ranch Fort Peck Indian Reservation, MT Fort Union Fm (Paleocene of the United States)
Where: Montana (48.2° N, 104.9° W: paleocoordinates 53.6° N, 81.7° W)
• coordinate based on political unit
When: Fort Union Formation, Paleocene (66.0 - 56.0 Ma)
• lower Fort Union
Environment/lithology: fluvial; siliciclastic sediments
Reposited in the USNM
Collection methods: quarrying, mechanical,
• Specimens were collected by C.D. Smith, 1908.
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 43252: authorized by Peter Wilf, entered by Jocelyn Sessa on 11.08.2004
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 | |
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Nyssa alata tupelo | |