Where: North Dakota (46.4° N, 102.3° W: paleocoordinates 51.4° N, 79.6° W)
• coordinate based on political unit
When: Fort Union Formation, Paleocene (66.0 - 56.0 Ma)
• 6 feet of lignite overlain by clay and sandstone (fossiliferous) - from USGS unpublished logbook.
Environment/lithology: fluvial; coal and claystone
Reposited in the USNM
Collection methods: quarrying, mechanical,
• Specimens were collected by R. W. Brown, J. Murata on July 6, 1931
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 58037: authorized by Peter Wilf, entered by Jocelyn Sessa on 16.01.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Angiospermae | |
Nyssa alata tupelo | |
Corylus insignis Heer 1871 hazel | |
"Carya antiquorum" = Hicoria antiquora
"Carya antiquorum" = Hicoria antiquora Newberry 1868 | |
| |
Bivalvia | |
|