Balanced Rock Quarry: Clarendonian, Nebraska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Camelidae
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Camelidae indet.
Gray 1821
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| skeleton | ||||||||||
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Mammalia
- Perissodactyla
- Equidae
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Cormohipparion occidentale
(Leidy 1856)
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Mihlbachler et al. 2011 | |||||||||
| Supplemental Table S1 | ||||||||||
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Mammalia
- Perissodactyla
- Rhinocerotidae
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Teleoceras major
Hatcher 1894
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Prothero 2005 | |||||||||
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Aphelops megalodus
(Cope 1873)
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Prothero 2005 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nebraska | County: | Cherry |
| Coordinates: | 42.8° North, 100.8° West (view map) | ||||
| Paleocoordinates: | 43.3° North, 98.2° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 5-6 | ||
| *Period: | Tertiary | ||
| Key time interval: | Clarendonian | ||
| Age range of interval: | 12.50000 - 9.40000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Ash Hollow | Member: | Merritt Dam |
| Local section: | ValAH | Local bed: | 6 |
| Local order: | bottom to top |
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection excludes: | some genera |
| Reason for describing collection: | biostratigraphic analysis |
| Taxonomic list comments:Xmas-Kat channel system "at least 100" F:AM specimens: Skinner and Johnson 1984 | |
Metadata
| Database number: | 18037 | ||
| Authorizer: | J. Alroy, J. Marcot | Enterer: | J. Alroy, J. Marcot |
| Modifier: | J. Alroy | Research group: | vertebrate |
| Created: | 2002-05-15 00:00:00 | Last modified: | 2007-08-25 19:20:36 |
| Access level: | the public | Released: | 2002-05-15 00:00:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 6193. | M. F. Skinner and F. W. Johnson. 1984. Tertiary stratigraphy and the Frick Collection of fossil vertebrates from north-central Nebraska. Bulletin of the American Museum of Natural History 178(3):1-368 [J. Alroy/J. Alroy/J. Alroy] |
Secondary references:
| 61275 | M. C. Mihlbachler, F. Rivals, N. Solounias and G. M. Semprebon. 2011. Dietary Change and Evolution of Horses in North America. Science 331:1178-1181 [J. Marcot/J. Marcot] | |
| 51726 | D. R. Prothero. 2005. The Evolution of North American Rhinoceroses. 1-218 [J. Marcot/J. Marcot] |