Where: Wyoming (44.9° N, 107.0° W: paleocoordinates 50.8° N, 85.3° W)
• coordinate based on political unit
When: Fort Union Formation, Paleocene (66.0 - 56.0 Ma)
• About 250' above Monarch seam - from USGS unpublished log book. upper Fort Union - from Brown.
• formation-level stratigraphic resolution
Environment/lithology: fluvial; sandstone
Reposited in the USNM
Collection methods: quarrying, mechanical,
• Specimens were collected by T.E. Willard, Aug. 2, 1907.
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 40847: authorized by Peter Wilf, entered by Jocelyn Sessa on 01.07.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Angiospermae | |
Cercidiphyllum arcticum katsura |