USGS locality 6084, 20 mi above Hampshire on Black Thunder Creek, Fort Union Fm (Paleocene of the United States)
Where: Wyoming (43.6° N, 104.9° W: paleocoordinates 49.2° N, 83.4° 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 V.H. Barnett on Sept. 9, 1911.
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 57936: authorized by Peter Wilf, entered by Jocelyn Sessa on 10.01.2006
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
Polypodiopsida | |
Anemia elongata Newberry 1863 | |
Dennstaedtia americana Knowlton 1910 |