USGS 8922, Fort Union Fm (Paleocene of the United States)
Where: Wyoming (41.3° N, 109.2° W: paleocoordinates 47.7° N, 88.9° W)
• coordinate estimated from map
When: Fort Union Formation, Paleocene (66.0 - 56.0 Ma)
Environment/lithology: fluvial; siliciclastic sediments
Reposited in the USNM
Collection methods: quarrying, mechanical,
• Specimens were collected by R.W. Brown and W.H. Bradley on June 21, 1941.
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 57997: authorized by Peter Wilf, entered by Jocelyn Sessa on 15.01.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
• Species lists for Brown 1962 were compiled from the publication and provided for the Paleobiology Database by Drs. Steven R. Manchester and Peter R. Crane.
Show authors, comments, and common names
| unclassified | |
| Polypodiopsida | |
|
Onoclea hesperia Hickey 1977 | |
| Angiospermae | |
|
Celtis aspera Manchester 2014 hackberry | |
|
Ficus artocarpoides Lesquereux 1883 fig | |
|
Ampelopsis acerifolia Newberry 1868 | |
|
Laurus socialis Lesquereux 1878 laurel | |
|
Cercidiphyllum arcticum katsura | |