USGS locality 4626, Miles City, MT, lower Fort Union Fm (Paleocene of the United States)

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

• coordinate estimated from map

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

• lower Fort Union, about 50 feet below the Big Dirty coal bed - from USGS unpublished log book.

• formation-level stratigraphic resolution

Environment/lithology: fluvial; sandstone and coal

• 'sandstones, shales, and coal beds.' From Brown

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Specimens were collected by C. Smith, 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 40746: 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
  -
Bivalvia
 Cardiidia - Grammysiidae
Davidia antiqua Manchester 2002 clam
seed
Dicotyledonae
 Scrophulariales - Asteridae
Magnoliopsida
 Cornales - Cornaceae
Cornus hyperborea Heer 1871 dogwood