USGS locality 1502 Black Buttes, WY, upper Fort Union Fm (Paleocene of the United States)

Where: Wyoming (41.6° N, 108.7° W: paleocoordinates 47.8° N, 88.2° W)

• coordinate based on political unit

When: Fort Union Formation, Paleocene (66.0 - 56.0 Ma)

• 'Same horizon as Location 371. upper Fort Union.'

• formation-level stratigraphic resolution

Environment/lithology: fluvial; white, conglomeratic sandstone and coal

• somewhat conglomeratic basal white sandstone.

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by F. H. Knowlton on Aug. 4-5, 1896.

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 40090: authorized by Peter Wilf, entered by Jocelyn Sessa on 17.06.2004

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
Angiospermae
 Oxalidales - Oxalidaceae
"Sapindus affinis" = Averrhoites affinis
"Sapindus affinis" = Averrhoites affinis Newberry 1868 wood sorrel
 Laurales - Lauraceae
Sassafras thermale
Sassafras thermale Brown 1962 sassafras
Polypodiopsida
 Schizaeales - Polypodiidae
Anemia elongata
Anemia elongata Newberry 1863