Where: Montana (46.1° N, 110.0° W: paleocoordinates 52.4° N, 88.0° 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
Reposited in the USNM
Collection methods: quarrying, mechanical,
• Specimens were collected by R. W. Brown, F. S. MacNeill, A. C. Silberling, Aug. 27, 1936.
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 40932: authorized by Peter Wilf, entered by Jocelyn Sessa on 03.07.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Magnoliopsida | |
"Acer silberlingi" = Dicotylophyllum silberlingi
"Acer silberlingi" = Dicotylophyllum silberlingi Brown 1962 | |
Angiospermae | |
Cercidiphyllum arcticum katsura | |
Platanus nobilis Newberry 1868 plane tree | |
Laurus socialis Lesquereux 1878 laurel
Laurophyllum perseanum Brown 1962 laurel | |
Sabal grayana Lesquereux 1869 palm | |
Paranymphaea crassifolia Newberry 1935 water lily | |