SAM Cave (LB 5): Irvingtonian, New Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Rodentia
- Geomyidae
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Thomomys sp.
Wied-Neuwied 1839
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5 specimens | ||||||
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Mammalia
- Rodentia
- Cricetidae
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Microtus sp.
Schrank 1798
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4 specimens | ||||||
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Lemmiscus curtatus
(Cope 1868)
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1 specimen | ||||||
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Mammalia
- Lagomorpha
- Leporidae
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Sylvilagus sp.
Gray 1867
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1 specimen | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | New Mexico | County: | Rio Arriba |
| Coordinates: | 36.5° North, 107.0° West (view map) | ||||
| Paleocoordinates: | 36.5° North, 106.8° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| Period: | Quaternary | Epoch: | Pleistocene |
| 10 m.y. bin: | Cenozoic 6 | ||
| Key time interval: | Irvingtonian | ||
| Age range of interval: | 1.40000 - 0.21000 m.y. ago |
Stratigraphy
| Local section: | SAMLB | Local bed: | 5 |
| Local order: | bottom to top |
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection size: | 11 specimens |
| Taxonomic list comments:NISP 11 in a reversed polarity zone said to be early Pleistocene | |
Metadata
| Also known as: | NMMNH L-43 | ||
| Database number: | 20512 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy | Research group: | vertebrate |
| Created: | 2002-05-15 00:00:00 | Last modified: | 2002-06-03 03:27:44 |
| Access level: | the public | Released: | 2002-05-15 00:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 2940. | K. L. Rogers, C. A. Repenning, F. G. Luiszer and R. D. Benson. 2000. Geologic history, stratigraphy, and paleontology of SAM Cave, north-central New Mexico. New Mexico Geology 22(4):89-117 [J. Alroy/J. Alroy/M. Uhen] |