Where: Montana (45.3° N, 106.1° W: paleocoordinates 51.0° N, 84.2° W)
• coordinate estimated from map
When: Tongue River Member (Fort Union Formation), Paleocene (66.0 - 56.0 Ma)
• Between Elk and Wall coal beds.
Environment/lithology: fluvial; siliciclastic sediments
Reposited in the USNM
Collection methods: quarrying, mechanical,
• Collected by Brown and Bryson on Sept. 6, 1940
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 53955: authorized by Peter Wilf, entered by Jocelyn Sessa on 19.09.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Angiospermae | |