USGS 8921, Fort Union Fm (Paleocene of the United States)
Where: Wyoming (41.4° N, 109.2° W: paleocoordinates 47.7° N, 88.8° 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 on June 23, 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 57996: 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
Polypodiopsida | |
Onoclea hesperia Hickey 1977 | |
Angiospermae | |
Cercidiphyllum arcticum katsura | |
Vitis olriki Heer 1868 grapevine | |
Corylus insignis Heer 1871 hazel | |
| |
"Sapindus affinis" = Averrhoites affinis
"Sapindus affinis" = Averrhoites affinis Newberry 1868 wood sorrel | |
"Pterospermites cordatus" = Penosphyllum cordatum
"Pterospermites cordatus" = Penosphyllum cordatum Ward 1885 | |
Juglandiphyllites glabra | |
Juglandiphyllites glabra2 Manchester and Dilcher 1997 |