Where: Montana (45.9° N, 106.6° W: paleocoordinates 51.7° N, 84.5° W)
• coordinate based on political unit
When: Fort Union Formation, Paleocene (66.0 - 56.0 Ma)
• although not specified, this collection likely comes from the Fort Union Fm
Environment/lithology: fluvial; siliciclastic sediments
Reposited in the USNM
Collection methods: quarrying, mechanical,
• Collected by R. W. Brown and F. S. MacNeill on Aug. 20, 1936
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 53693: authorized by Peter Wilf, entered by Jocelyn Sessa on 13.09.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Angiospermae | |
Celtis aspera Manchester 2014 hackberry |