USGS locality 8781,Northeast of Broadus. 2 miles up Little Powder River (Paleocene of the United States)

Where: Montana (45.5° N, 105.4° W: paleocoordinates 51.4° N, 81.6° W)

• coordinate based on political unit

When: Tullock Formation, Early/Lower Paleocene (66.0 - 61.7 Ma)

Environment/lithology: fluvial; siliciclastic sediments and coal

• Tullock - somber beds coal bearing

Size classes: mesofossils, microfossils

Reposited in the USNM

Collection methods: quarrying, mechanical,

• Collected by R.W.Brown on Aug. 10, 1939

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 53945: authorized by Peter Wilf, entered by Jocelyn Sessa on 18.09.2005

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
 Coniferales - Cupressaceae
Glyptostrobus nordenskioldi
Glyptostrobus nordenskioldi Chinese swamp cypress
Angiospermae
 Cornales - Cornaceae
Cornus hyperborea
Cornus hyperborea Heer 1871 dogwood
Cornus hyperborea nebrascensis
 Saxifragales - Cercidiphyllaceae
Cercidiphyllum arcticum