USGS locality 2420, 30 miles south of Glendive, MT, middle Fort Union Fm: Paleocene, Montana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Hydromystria expansa leaf
aquatic creeper or floater
Hepaticae - Marchantiales - Marchantiaceae
Marchantia lignitica leaf Brown 1962
Preissites wardii leaf Knowlton 1894
Lycopodiopsida - Isoetales - Isoetaceae
Isoetites horridus leaf, non-seed repro (Dawson 1883)
corm with rosette of leaves
Lycopodiopsida - Selaginellales - Selaginellaceae
Selaginella collieri leaf Knowlton 1916
Angiospermae - Magnoliales - Magnoliaceae
Magnolia borealis leaf
Angiospermae - Myrtales - Trapaceae
Trapa angulata leaf, seed/fruit Brown 1962
fruit
Angiospermae - Garryales - Eucommiaceae
Eucommia serrata leaf
Angiospermae - Saxifragales - Cercidiphyllaceae
Cercidiphyllum articum
Angiospermae - Proteales - Platanaceae
Platanus raynoldsi leaf Newberry 1868
Angiospermae - Trochodendrales - Trochodendraceae
Nordenskioldia borealis seed/fruit Heer 1870
seed
Angiospermae - Laurales - Lauraceae
Lindera obtusata leaf Brown 1962
Angiospermae - Vitales - Vitaceae
Ampelopsis acerifolia leaf (Newberry 1868)
synonym of Populus newberryi
Coniferales - Cupressaceae
Metasequoia occidentalis leaf Chaney 1951
Taxodium olriki leaf
Magnoliopsida
Acer newberryi leaf Brown 1962
synonym of Acer triloba
unclassified
Viburnum cupanioides leaf Manchester et al. 1999
    = Beringiaphyllum cupanioides Manchester et al. 1999
Manchester et al. 1999
see common names

Geography
Country:United States State/province:Montana
Coordinates: 47.1° North, 104.7° West (view map)
Paleocoordinates:52.5° North, 81.9° West
Basis of coordinate:based on political unit
Time
Period:Paleogene Epoch:Paleocene
10 m.y. bin:Cenozoic 1
Key time interval:Paleocene
Age range of interval:66.00000 - 56.00000 m.y. ago
Stratigraphy
Formation:Fort Union
Stratigraphic resolution:formation
Stratigraphy comments: middle Fort Union
Lithology and environment
Primary lithology: carbonaceous "shale"
Environment:fluvial indet.
Taphonomy
Collection methods and comments
Collection methods:selective quarrying,mechanical,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Collection method comments: Specimens were collected by C. A. White, August 17, 1882
Taxonomic list comments: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.
Metadata
Database number:40098
Authorizer:P. Wilf Enterer:J. Sessa
Modifier:J. Sessa Research group:paleobotany
Created:2004-06-17 13:14:57 Last modified:2004-06-21 14:59:29
Access level:the public Released:2004-06-17 13:14:57
Creative Commons license:CC BY
Reference information

Primary reference:
10820. 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]

Secondary references:

7940 S. R. Manchester, P. R. Crane, and L. B. Golovneva. 1999. An extinct genus with affinities to the extant Davida and Camptotheca (Cornales) from the Paleoecene of North America AND EASTERN ASIA . International Journal of Plant Sciences 160(1):188-207 [S. Wing/S. Wing/M. Uhen]