Where: New Mexico (46.3° N, 108.2° W: paleocoordinates 52.3° N, 86.0° W)
• coordinate estimated from map
When: Fort Union Formation, Paleocene (66.0 - 56.0 Ma)
• upper Fort Union
Environment/lithology: fluvial; siliciclastic sediments
Reposited in the USNM
Collection methods: quarrying, mechanical,
• Specimens were collected by R.W. Richards, August 24, 1908.
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 43246: authorized by Peter Wilf, entered by Jocelyn Sessa on 11.08.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Angiospermae | |
Chaetoptelea microphylla Newberry 1868 elm |