Where: Colorado (37.1° N, 104.5° W: paleocoordinates 42.8° N, 85.1° W)
• coordinate based on political unit
When: Raton Formation, Paleocene (66.0 - 56.0 Ma)
• about 200' above the conglomerate
Environment/lithology: fluvial; sandstone and coal
Reposited in the USNM
Collection methods: quarrying, mechanical,
• Collected in 1910, with W.T. Lee in charge.
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 52931: authorized by Peter Wilf, entered by Jocelyn Sessa on 28.08.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Angiospermae | |
Juglans berryana walnut |