Where: Montana (46.8° N, 105.1° W: paleocoordinates 52.3° N, 82.5° W)
• coordinate estimated from map
When: Fort Union Formation, Paleocene (66.0 - 56.0 Ma)
• near transition of somber to yellow beds
Environment/lithology: fluvial; shale
Reposited in the USNM
Collection methods: quarrying, mechanical,
• Collected by J.R. Newby, L.E. Trout, and F.A. Herald July 29, 1910
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 55851: authorized by Peter Wilf, entered by Jocelyn Sessa on 06.11.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Angiospermae | |
Celtis aspera Manchester 2014 hackberry |