Harris Ranch Unit E Silt: Arikareean, South Dakota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
- Rodentia
- Aplodontidae
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Ansomys cyanotephrus n. sp.
Korth 2007
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Korth 2007 | |||||||||
Mammalia
- Rodentia
- Sciuridae
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Hesperopetes jamesi n. sp.
Emry and Korth 2007
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Emry and Korth 2007 | |||||||||
Hesperopetes blacki n. sp.
Emry and Korth 2007
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Emry and Korth 2007 | |||||||||
Mammalia
- Rodentia
- Castoridae
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Castoridae indet.
Gray 1821
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Mammalia
- Erinaceidae
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Ocajila macdonaldi
Korth 2022
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Korth 2022 | |||||||||
Blue Ash Local Fauna (Unit E of Simpson, 1985) | ||||||||||
Mammalia
- Perissodactyla
- Rhinocerotidae
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Rhinocerotidae indet.
Gray 1821
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Diceratherium armatum
Marsh 1875
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Diceratherium annectens
(Marsh 1873)
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Prothero 2005 | |||||||||
"Early Arikareean, Harris Ranch, ?Sharps Formation, Fall River County, South Dakota" | ||||||||||
Woodoceras brachyops n. gen., n. sp.
Prothero 2005
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Prothero 2005 | |||||||||
Mammalia
- Perissodactyla
- Equidae
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Miohippus cf. brachystylus
(Osborn 1904)
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= Miohippus cf. obliquidens
Osborn 1904
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Alroy 2002 | |||||||||
Mammalia
- Entelodontidae
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Entelodontidae indet.
Lydekker 1883
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Mammalia
- Anthracotheriidae
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Elomeryx cf. garbanii
Macdonald 1970
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Mammalia
- Protoceratidae
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Protoceras skinneri n. sp.
Patton and Taylor 1973
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from "4 feet above a blue ash": see Patton and Taylor 1973 | ||||||||||
Mammalia
- Agriochoeridae
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Agriochoeridae indet.
Leidy 1869
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Mammalia
- Merycoidodontidae
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? Merycoidodon sp.
Leidy 1848
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large: probably OK | ||||||||||
Hadroleptauchenia cf. shanafeltae
Schultz and Falkenbach 1968
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= Leptauchenia major
Leidy 1856
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Alroy 2002 | |||||||||
and "? Pseudocyclopidius major" | ||||||||||
see common names |
Geography
Country: | United States | State/province: | South Dakota | County: | Fall River |
Coordinates: | 43.2° North, 103.2° West (view map) | ||||
Paleocoordinates: | 44.1° North, 97.3° West | ||||
Basis of coordinate: | based on political unit |
Time
*Period: | Tertiary | *Epoch: | Oligocene |
Key time interval: | Arikareean | ||
Age range of interval: | 30.80000 - 20.43000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Local section: | HarRn | Local bed: | 5 |
Local order: | bottom to top | ||
Stratigraphic resolution: | member |
Lithology and environment
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Collection methods and comments
Taxonomic list comments:channel cuts into Brule Fm.; siltstone overlies basal microconglomerate no evidence of reworking |
Metadata
Also known as: | Blue Ash Channel | ||
Database number: | 17520 | ||
Authorizer: | J. Alroy, N. Famoso, J. Marcot | Enterer: | J. Alroy, N. Famoso, J. Marcot | Research group: | vertebrate |
Created: | 1993-02-18 00:00:00 | Last modified: | 2002-06-03 03:27:42 |
Access level: | the public | Released: | 1993-02-18 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
3163. | W. F. Simpson. 1985. Geology and paleontology of the Oligocene Harris Ranch Badlands, southwestern South Dakota. Dakoterra 2(2):303-333 [J. Alroy/J. Alroy/J. Marcot] |
Secondary references:
6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
57333 | R. J. Emry and W. W. Korth. 2007. A new genus of squirrel (Rodentia, Sciuridae) from the mid-Cenozoic of North America. Journal of Vertebrate Paleontology 27(3):693-698 [J. Marcot/J. Marcot] | |
57332 | W. W. Korth. 2007. A new species of Ansomys (Rodentia, Aplodontidae) from the late Oligocene (latest Whitney-earliest Arikareean) of South Dakota. Journal of Vertebrate Paleontology 27(3):740-743 [J. Marcot/J. Marcot] | |
82958 | W. W. Korth. 2022. The Hedgehog Ocajila Macdonald, 1963 (Mammalia, Lipotyphla, Erinaceidae) from the Oligocene (Orellan to Arikareean) of North America. Annals of Carnegie Museum 87(3):207-220 [N. Famoso/N. Famoso] | |
51726 | D. R. Prothero. 2005. The Evolution of North American Rhinoceroses. 1-218 [J. Marcot/J. Marcot] |