USGS locality 8928, About 9 miles northwest of Craig. Fort Union (Paleocene of the United States)
Where: Colorado (40.6° N, 107.7° W: paleocoordinates 46.7° N, 87.4° W)
• coordinate estimated from map
When: Fort Union Formation, Paleocene (66.0 - 56.0 Ma)
Environment/lithology: fluvial; sandstone and coal
• coal bearing ss, dark sandy shales, and clays
Reposited in the USNM
Collection methods: quarrying, mechanical,
• Collected by R.W. Brown on Sept. 16, 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 53076: authorized by Peter Wilf, entered by Jocelyn Sessa on 03.09.2005
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 | |
Blechnum anceps Brown 1962 | |
Anemia elongata Newberry 1863 | |
Glyptostrobus nordenskioldi Chinese swamp cypress | |
Angiospermae | |
Sassafras thermale Brown 1962 sassafras | |
Cercidiphyllum arcticum katsura | |
Castanea intermedia Lesquereux 1878 chestnut | |
Zizyphus fibrillosus Lesquereux 1872 buckthorn | |
Ampelopsis acerifolia Newberry 1868 |