USGS locality 4625, 9 miles west of Miles City, MT, Fort Union Fm (Paleocene of the United States)

Where: Montana (46.4° N, 105.8° W: paleocoordinates 52.1° N, 83.4° W)

• coordinate based on political unit

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

• formation-level stratigraphic resolution

Environment/lithology: fluvial; carbonaceous shale

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by Carl D. Smith & R.W. Howell, 1907.

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/J. Sessa]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 40745: authorized by Peter Wilf, entered by Jocelyn Sessa on 29.06.2004

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.
unclassified
  -
Gastropoda
 Ficoidea - Ficidae
Ficus affinis fig shell
Pinopsida
 Pinales - Taxodiaceae
Glyptostrobus nordenskioldi Chinese swamp cypress
Dicotyledonae
 Rhamnales - Rosidae
 Urticales - Dilleniidae
Magnoliopsida
 Saxifragales - Cercidiphyllaceae
 Malvales - Sterculiaceae
"Pterospermites cordatus" = Penosphyllum cordatum
"Pterospermites cordatus" = Penosphyllum cordatum Manchester 2014
 Proteales - Platanaceae
 Nymphaeales - Nymphaeaceae
Paranymphaea crassifolia McIver and Basinger 1993
Beringiaphyllum cupanioides
  -
Beringiaphyllum cupanioides Manchester et al. 1999