Middle Oreodon Beds (1892 AMNH Collection): Orellan, South Dakota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Tayassuidae
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Perchoerus nanus
(Marsh 1894)
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Prothero 2009 | |||||||||
| "Oreodon beds," Big Badlands, SD | ||||||||||
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Mammalia
- Entelodontidae
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Elotherium mortoni
(Leidy 1850)
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= Archaeotherium mortoni
Leidy 1850
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Alroy 2002 | |||||||||
| may include "Elotherium imperator" | ||||||||||
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Mammalia
- Perissodactyla
- Equidae
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Miohippus obliquidens n. sp.
(Osborn 1904)
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Osborn 1904 | |||||||||
| one of the original "Mesohippus bairdi" specimens (not clear if M. bairdi is present at this level at all); see also Prothero and Shubin 1989 | ||||||||||
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Mammalia
- Perissodactyla
- Tapiridae
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Mesohippus longipes n. sp.
Osborn and Wortman 1894
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= Colodon occidentalis
Leidy 1868
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Alroy 2002 | |||||||||
| discussed in text but omitted from table | ||||||||||
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Mammalia
- Perissodactyla
- Rhinocerotidae
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Aceratherium occidentale
(Leidy 1850)
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= Subhyracodon occidentalis
Leidy 1850
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Alroy 2002 | |||||||||
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Mammalia
- Perissodactyla
- Hyracodontidae
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Hyracodon sp.
Leidy 1856
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | South Dakota | County: | Pennington and Scenic |
| Coordinates: | 43.9° North, 102.5° West (view map) | ||||
| Paleocoordinates: | 45.0° North, 94.3° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Oligocene |
| Stage: | Rupelian | 10 m.y. bin: | Cenozoic 4 |
| *Period: | Tertiary | ||
| Key time interval: | Orellan | ||
| Age range of interval: | 33.90000 - 31.80000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Brule | Member: | upper Scenic |
| Local section: | BgBad | Local bed: | 5 |
| Local order: | bottom to top |
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Museum repositories: | AMNH |
| Taxonomic list comments:based on Osborn 1937, this is mostly from Indian Creek, Corral Draw, and Quinn Draw | |
Metadata
| Database number: | 17142 | ||
| Authorizer: | J. Alroy, J. Marcot | Enterer: | J. Alroy, J. Marcot | Research group: | vertebrate |
| Created: | 1995-10-18 00:00:00 | Last modified: | 2002-06-03 03:27:41 |
| Access level: | the public | Released: | 1995-10-18 00:00:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 2711. | H. F. Osborn and J. L. Wortman. 1894. Fossil mammals of the Lower Miocene White River beds. Collection of 1892. Bulletin of the American Museum of Natural History 6(7):199-228 [J. Alroy/J. Alroy/M. Carrano] |
Secondary references:
| 6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
| 2699 | H. F. Osborn. 1904. New Oligocene horses. Bulletin of the American Museum of Natural History 20(13):167-179 [J. Alroy/J. Alroy/T. Liebrecht] | |
| 57282 | D. R. Prothero. 2009. The Early Evolution of the North American Peccaries (Artiodactyla: Tayassuidae). Papers on Geology, Vertebrate Paleontology, and Biostratigraphy in Honor of Michael O. Woodburne (Museum of Northern Arizona Bulletin 65) 509-541 [J. Marcot/J. Marcot] |