USGS locality 4268, Bluffs on the Little Missouri River, ND, Fort Union Fm: Paleocene, North Dakota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Angiospermae
- Alismales
- Alismaceae
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Sagittaria megasperma seed/fruit
Brown 1962
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| seed | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | North Dakota |
| Coordinates: | 46.9° North, 103.5° West (view map) | ||
| Paleocoordinates: | 54.7° North, 67.3° West (Wright 2013) | ||
| 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 - 56 m.y. ago |
Stratigraphy
| Formation: | Fort Union |
| Stratigraphic resolution: | formation |
Lithology and environment
| Primary lithology: | coal |
| 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 Knowlton & Peale, July 11, 1908 | |
| 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: | 40426 | ||
| Authorizer: | P. Wilf | Enterer: | J. Sessa |
| Modifier: | J. Sessa | Research group: | paleobotany |
| Created: | 2004-06-23 13:00:53 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2004-06-23 13:00:53 |
| Creative Commons license: | CC0 |
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] |