Sawyer Quarry: Barstovian, Nebraska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Perissodactyla
- Rhinocerotidae
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Peraceras superciliosum
(Cope 1880)
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Prothero 2005 | |||||||||
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Rhinocerotidae indet.
Gray 1821
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Skinner and Johnson 1984 | |||||||||
| "exceptionally large" | ||||||||||
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= Aphelops megalodus
Cope 1873
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Prothero 2005 | |||||||||
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Teleoceras medicornutum
Osborn 1904
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Prothero 2005 | |||||||||
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Mammalia
- Perissodactyla
- Equidae
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Cormohipparion quinni
Woodburne 1996
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Woodburne 1996 | |||||||||
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= Hippotherium quinni
Woodburne 1996
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Alroy 2002 | |||||||||
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Mammalia
- Carnivora
- Canidae
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Aelurodon ferox
Leidy 1858
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nebraska | County: | Cherry |
| Coordinates: | 42.8° North, 100.8° West (view map) | ||||
| Paleocoordinates: | 43.4° North, 97.5° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 5 | ||
| *Period: | Tertiary | ||
| Key time interval: | Barstovian | ||
| Age range of interval: | 16.3 - 12.5 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Geological group: | Ogallala | Formation: | Valentine | Member: | Devil's Gulch |
| Local section: | ValAH | Local bed: | 3 | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | not reported |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some genera |
| Reason for describing collection: | taxonomic analysis |
| Taxonomic list comments:115 F:AM specimens: Skinner and Johnson 1984 Woodburne 1996a and Wang et al. 1999 both claim this is in the Devil's Gulch, but Skinner and Johnson 1984 state that it is "near the top" of the Crookston Bridge | |
Metadata
| Database number: | 18361 | ||
| Authorizer: | J. Alroy, J. Marcot | Enterer: | J. Alroy, J. Marcot |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 1997-04-12 00:00:00 | Last modified: | 2018-02-05 15:14:01 |
| Access level: | the public | Released: | 1997-04-12 00:00:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 3558. | X. Wang, R. H. Tedford, and B. E. Taylor. 1999. Phylogenetic systematics of the Borophaginae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 243:1-392 [J. Alroy/J. Alroy/J. Alroy] |
Secondary references:
| 6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
| 51726 | D. R. Prothero. 2005. The Evolution of North American Rhinoceroses. 1-218 [J. Marcot/J. Marcot] | |
| 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] | |
| 3755 | M. O. Woodburne. 1996. Reappraisal of the Cormohipparion from the Valentine Formation, Nebraska. American Museum Novitates 3163:1-56 [J. Alroy/J. Alroy/J. Marcot] |