East Rainy Butte: Whitneyan - Monroecreekian, North Dakota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Perissodactyla
- Equidae
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Miohippus obliquidens
(Osborn 1904)
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Mammalia
- Anthracotheriidae
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Elomeryx armatus
(Marsh 1894)
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| see common names | |||||||
Geography
| Country: | United States | State/province: | North Dakota | County: | Slope |
| Coordinates: | 46.4° North, 103.3° West (view map) | ||||
| Paleocoordinates: | 47.2° North, 96.4° West | ||||
| Basis of coordinate: | based on political unit |
Time
| Period: | Paleogene | Epoch: | Oligocene |
| Stage: | Rupelian - Chattian | 10 m.y. bin: | Cenozoic 4 |
| *Period: | Tertiary | *Local age/stage: | Whitneyan - Early/Lower Arikareean |
| Key time interval: | Whitneyan - Monroecreekian | ||
| Age range of interval: | 31.8 - 23.1 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Arikaree | ||||
| Stratigraphy comments: said to be Whitneyan to early Arikareean = Geringian or Monroecreekian |
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
| Taxonomic list comments:both specimens from "top" or "summit" of butte | |
Metadata
| Database number: | 17330 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | J. Alroy | Research group: | vertebrate |
| Created: | 1999-10-13 00:00:00 | Last modified: | 2006-08-04 12:32:03 |
| Access level: | the public | Released: | 1999-10-13 00:00:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 1924. | J. W. Hoganson, E. C. Murphy, and N. F. Forsman. 1998. Chadron, Brule, and Arikaree Formations, North Dakota. In D. O. Terry, H. E. LaGarry, R. M. Hunt Jr. (eds.), Geological Society of America Special Paper: Depositional Environments, Lithostratigraphy, and Biostratigraphy of the White River and Arikaree Groups (Late Eocene to Early Miocene, North America) 325:185-196 [J. Alroy/J. Alroy/T. Cleary] |