Douglass Creek Locality 2: Chadronian, Montana
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
- Rodentia
- Aplodontidae
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Aplodontidae indet.
Brandt 1855
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Mammalia
- Leptomerycidae
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Leptomeryx sp.
Leidy 1853
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= Leptomerycidae indet.
Zittel 1893
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Alroy 2002 | |||||||||
Mammalia
- Perissodactyla
- Equidae
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Mesohippus sp.
Marsh 1875
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= Equidae indet.
Gray 1821
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Alroy 2002 | |||||||||
i.d. based on stratigraphy | ||||||||||
Mammalia
- Perissodactyla
- Brontotheriidae
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Brontotheriidae indet.
(Marsh 1873)
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see common names |
Geography
Country: | United States | State/province: | Montana | County: | Powell |
Coordinates: | 46.4° North, 112.8° West (view map) | ||||
Paleocoordinates: | 48.3° North, 103.9° West | ||||
Basis of coordinate: | based on political unit | ||||
Geographic resolution: | small collection |
Time
Period: | Paleogene | Epoch: | Eocene |
Stage: | Priabonian | 10 m.y. bin: | Cenozoic 3 |
*Period: | Tertiary | ||
Key time interval: | Chadronian | ||
Age range of interval: | 37.00000 - 33.90000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Lithology and environment
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Collection methods and comments
Metadata
Database number: | 16945 | ||
Authorizer: | J. Alroy | Enterer: | J. Alroy | Research group: | vertebrate |
Created: | 1993-02-18 00:00:00 | Last modified: | 2002-06-03 03:27:41 |
Access level: | the public | Released: | 1993-02-18 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
2098. | R. L. Konizeski. 1961. Paleoecology of an Early Oligocene Biota from Douglass Creek Basin, Montana. Geological Society America Bulletin 72 [J. Alroy/J. Alroy/J. Ju] |
Secondary references:
6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] |