Where: Niobrara County, Wyoming (43.8° N, 105.0° W: paleocoordinates 49.3° N, 83.5° W)
• coordinate based on political unit
When: Fort Union Formation, Paleocene (66.0 - 56.0 Ma)
• lower Fort Union
• formation-level stratigraphic resolution
Environment/lithology: fluvial; white sandstone and gray shale
Reposited in the USNM
Collection methods: quarrying, mechanical,
• Specimens were collected by J. B. Hatcher in 1892?
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 40083: authorized by Peter Wilf, entered by Jocelyn Sessa on 16.06.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Angiospermae | |
Castanea intermedia Lesquereux 1878 chestnut | |
"Carya antiquorum" = Hicoria antiquora
"Carya antiquorum" = Hicoria antiquora Newberry 1868 | |
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