Bartlett High: Orellan, Nebraska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Carnivora
- Amphicyonidae
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Daphoenus hartshornianus
(Cope 1873)
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Mammalia
- Carnivora
- Canidae
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Hesperocyon gregarius
(Cope 1873)
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Mammalia
- Perissodactyla
- Equidae
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Mesohippus bairdi
(Leidy 1850)
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Mammalia
- Perissodactyla
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Rhinocerotoidea indet.
Gray 1821
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| "larger rhino", a hyracodontid or rhinocerotid | ||||||||||
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Mammalia
- Perissodactyla
- Hyracodontidae
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Hyracodon nebraskensis
(Leidy 1850)
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Mammalia
- Merycoidodontidae
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Miniochoerus gracilis
(Leidy 1851)
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Merycoidodon sp.
Leidy 1848
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Mammalia
- Camelidae
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Poebrotherium wilsoni
Leidy 1847
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Mammalia
- Hypisodontidae
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Hypisodus minimus
(Cope 1873)
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Mammalia
- Leptomerycidae
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Leptomeryx evansi
Leidy 1853
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Mammalia
- Lagomorpha
- Leporidae
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Palaeolagus haydeni
Leidy 1856
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Mammalia
- Rodentia
- Ischyromyidae
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Ischyromys typus
Leidy 1856
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nebraska | County: | Dawes |
| Coordinates: | 42.8° North, 103.1° West (view map) | ||||
| Paleocoordinates: | 44.0° North, 95.0° West | ||||
| Basis of coordinate: | based on political unit |
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
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection size: | 41 specimens |
| Taxonomic list comments:in a reversed polarity zone above the Orella B normal zone and 18.3 m below the top of the member, i.e., in Orella C includes CSC-73 Bartlett High CSC-77 Bartlett Dike Valley (highest level) CSC-86 Anderson High Bartlett Ranch, level not indicated: Paratylopus labiatus Prothero 1996d NISP 41, excluding indeterminate rhino | |
Metadata
| Database number: | 17062 | ||
| 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:
| 1757. | E. P. Gustafson. 1986. Preliminary biostratigraphy of the White River Group (Oligocene, Chadron and Brule formations) in the vicinity of Chadron, Nebraska. Transactions of the Nebraska Academy of Sciences 14:7-20 [J. Alroy/J. Alroy/M. Uhen] |