Where: Colorado (37.2° N, 104.5° W: paleocoordinates 42.7° N, 85.5° W)
• coordinate based on political unit
When: Raton Formation, Paleocene (65.5 - 55.8 Ma)
• 200 ft. above lowest coals.
Environment/lithology: fluvial; coal and sandstone
Reposited in the USNM
Collection methods: quarrying, mechanical,
• Specimens were collected by G.B. Richardson, July 17, 1908 - from USGS unpublished logbook.
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/J. Sessa] more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 41181: authorized by Peter Wilf, entered by Jocelyn Sessa on 07.07.2004