Smith Valley (LACM 7685): Late/Upper Hemphillian, Nevada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Perissodactyla
- Rhinocerotidae
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Teleoceras fossiger
(Cope 1878)
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Prothero 2005 | |||||||||
| F:AM 114556, 115853, and LACM (CIT) 17282 | ||||||||||
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Mammalia
- Rodentia
- Cricetidae
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Bensonomys lindsayi n. sp.
Kelly 2007
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| (12 measurements) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nevada | County: | Lyon |
| Coordinates: | 38.9° North, 119.3° West (view map) | ||||
| Paleocoordinates: | 38.8° North, 116.6° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Neogene |
| 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Late/Upper Hemphillian |
| Age range of interval: | 9.40000 - 4.70000 m.y. ago |
Stratigraphy
| Formation: | Coal Valley | ||||
| Stratigraphy comments: "early late Hemphillian... about 30 m above the tuff dated at" 6.98 +/- 0.01 Ma using Ar/Ar on sanidine |
Lithology and environment
| Primary lithology: | not reported |
| Lithology description: none given | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | mesofossils |
Collection methods and comments
| Collection excludes: | some genera |
| Collection methods: | bulk,sieve |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | LACM |
| Collection method comments: from "Small mammal fossil bearing matrix" | |
Metadata
| Database number: | 75859 | ||
| Authorizer: | J. Alroy, J. Marcot | Enterer: | J. Alroy, J. Marcot | Research group: | vertebrate |
| Created: | 2007-11-01 10:48:40 | Last modified: | 2007-11-01 12:48:40 |
| Access level: | the public | Released: | 2007-11-01 10:48:40 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 25626. | T. S. Kelly. 2007. A new species of Bensonomys (Rodentia, Cricetidae) from the early late Hemphillian (late Miocene), Coal Valley Formation, Smith Valley, Nevada. Paludicola 6(3):1255-138 [J. Alroy/J. Alroy] |
Secondary references:
| 51726 | D. R. Prothero. 2005. The Evolution of North American Rhinoceroses. 1-218 [J. Marcot/J. Marcot] |