Olcott Hill (Laucomer Member): Clarendonian, Nebraska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Rodentia
- Castoridae
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Eucastor cf. tortus
(Leidy 1858)
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Monosaulax pansus
(Cope 1874)
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Mammalia
- Carnivora
- Canidae
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Epicyon saevus
(Leidy 1858)
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Wang et al. 1999 | |||||||||
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Aelurodon mortifer
(Cook 1914)
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= Epicyon haydeni
Leidy 1858
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Wang et al. 1999 | |||||||||
| (presumed provenance of type) | ||||||||||
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Aelurodon taxoides
Hatcher 1894
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Wang et al. 1999 | |||||||||
| "?Olcott Hill"; referred to "?Cuon sp." by Matthew and Cook 1909 | ||||||||||
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Mammalia
- Carnivora
- Amphicyonidae
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Ischyrocyon sp.
Matthew and Gidley 1904
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Hunt 1998 | |||||||||
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Mammalia
- Perissodactyla
- Equidae
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Hipparion occidentale
Leidy 1856
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= Hippotherium sp.
Kaup 1832
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Alroy 2002 | |||||||||
| from same locality as type of "A." mortifer | ||||||||||
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Mammalia
- Megalonychidae
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Megalonychidae indet.
Gervais 1855
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nebraska | County: | Sioux |
| Coordinates: | 42.4° North, 103.8° West (view map) | ||||
| Paleocoordinates: | 42.9° North, 101.2° 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: | Snake Creek | Member: | Laucomer |
| Local section: | Snake | Local bed: | 7 |
| 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 |
| Museum repositories: | UNSM |
| Taxonomic list comments:includes material of unclear provenance that actually may be from Hesperopithecus Site, Kilpatrick Quarry, or Olcott Quarry | |
Metadata
| Also known as: | Olcott Hill Quarry: UNSM Sx-71 | ||
| Database number: | 18299 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | J. Alroy | Research group: | vertebrate |
| Created: | 1995-03-26 00:00:00 | Last modified: | 2007-08-19 13:42:30 |
| Access level: | the public | Released: | 1995-03-26 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:
| 6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
| 1977 | R. M. Hunt, Jr. 1998. Amphicyonidae. 196-227 [J. Alroy/J. Alroy/J. Alroy] | |
| 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] | |
| 25104 | A. Wetmore. 1928. Additional specimens of fossil birds from the Upper Tertiary deposits of Nebraska. American Museum Novitates 302:1-5 [J. Alroy/J. Alroy] |