Pliohippus Draw (Lower): Hemingfordian, Nebraska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Carnivora
- Mustelidae
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Mionictis letifer n. sp.
Cook and Macdonald 1962
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| said by Cook and Macdonald 1962 to be from "below the heavy volcanic ash bed" | ||||||||||
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Mammalia
- Carnivora
- Canidae
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Osbornodon fricki
Wang 1994
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Wang 1994 | |||||||||
| Sheep Creek Fm. | ||||||||||
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Mammalia
- Carnivora
- Felidae
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Pseudaelurus validus
Rothwell 2001
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Rothwell 2001 | |||||||||
| F:AM 61837, "Head of Pliohippus Draw" | ||||||||||
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Mammalia
- Perissodactyla
- Chalicotheriidae
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Moropus sp.
Marsh 1877
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= Tylocephalonyx skinneri
Coombs 1979
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Coombs 1979 | |||||||||
| 15' below Rhino Quarry | ||||||||||
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Mammalia
- Perissodactyla
- Rhinocerotidae
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Teleoceras americanum
(Yatkola and Tanner 1979)
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Prothero 2005 | |||||||||
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Aphelops megalodus
(Cope 1873)
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Prothero 2005 | |||||||||
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Mammalia
- Tayassuidae
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Platygonus pollenae n. sp.
Prothero and Grenader 2012
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Prothero and Grenader 2012 | |||||||||
| synonym of Platygonus brachirostris | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nebraska | County: | Sioux |
| Coordinates: | 42.4° North, 103.8° West (view map) | ||||
| Paleocoordinates: | 43.1° North, 99.9° West | ||||
| Basis of coordinate: | based on political unit |
Time
| Period: | Neogene | Epoch: | Miocene |
| Stage: | Burdigalian | 10 m.y. bin: | Cenozoic 5 |
| *Period: | Tertiary | ||
| Key time interval: | Hemingfordian | ||
| Age range of interval: | 18.50000 - 16.30000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Sheep Creek | Member: | middle |
| Local section: | Snake | Local bed: | 2 |
| Local order: | bottom to top |
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 17980 | ||
| Authorizer: | J. Alroy, J. Marcot | Enterer: | J. Alroy, J. Marcot |
| Modifier: | J. Alroy | Research group: | vertebrate |
| Created: | 1994-04-30 00:00:00 | Last modified: | 2006-09-13 00:27:33 |
| Access level: | the public | Released: | 1994-04-30 00:00:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 3175. | M. F. Skinner, S. M. Skinner, and R. J. Gooris. 1977. Stratigraphy and biostratigraphy of late Cenozoic deposits in central Sioux County, western Nebraska. Bulletin of the American Museum of Natural History 158(5):263-370 [J. Alroy/J. Alroy/J. Alroy] |
Secondary references:
| 1275 | M. C. Coombs. 1979. Tylocephalonyx, a new genus of North American dome-skulled chalicotheres (Mammalia, Perissodactyla). Bulletin of the American Museum of Natural History 164(1):1-64 [J. Alroy/J. Alroy/M. Uhen] | |
| 2189 | W. D. Kuenzi and R. W. Fields. 1971. Tertiary Stratigraphy, Structure, and Geologic History, Jefferson Basin, Montana. Geological Society America Bulletin 82(12):3373-3394 [J. Alroy/J. Alroy/J. Marcot] | |
| 51726 | D. R. Prothero. 2005. The Evolution of North American Rhinoceroses. 1-218 [J. Marcot/J. Marcot] | |
| 51449 | D. R. Prothero and J. Grenader. 2012. A New Primitive Species of the Flat-Headed Peccary Platygonus (Tayassuidae, Artiodactyla, Mammalia) from the Late Miocene of the High Plains. Journal of Paleontology 86(6):1021-1031 [J. Marcot/J. Marcot] | |
| 52057 | T. M. Rothwell. 2001. A Partial Skeleton of Pseudaelurus (Carnivora: Felidae) from the Nambé Member of the Tesuque Formation, Española Basin, New Mexico. American Museum Novitates 3342:1-31 [J. Marcot/J. Marcot] | |
| 6226 | X. Wang. 1994. Phylogenetic systematics of the Hesperocyoninae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 221:1-207 [J. Alroy/J. Alroy/J. Alroy] |