Where: Wyoming (41.6° N, 108.7° W: paleocoordinates 47.8° N, 88.2° W)
• coordinate based on political unit
When: Fort Union Formation, Paleocene (66.0 - 56.0 Ma)
• 10 feet above massive basal sandstone lower Fort Union
Environment/lithology: fluvial; siliciclastic sediments
Reposited in the USNM
Collection methods: quarrying, mechanical,
• Specimens were collected by F.H. Knowlton and A.C. Peale, July 26, 1909.
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 43311: authorized by Peter Wilf, entered by Jocelyn Sessa on 11.08.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Angiospermae | |
Magnolia borealis magnolia | |
Glyptostrobus nordenskioldi Chinese swamp cypress |