Arroyo Seco (CU 33): Blancan, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Perissodactyla
- Equidae
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Equus sp.
Linnaeus 1758
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| CU 33.3 | ||||||||||
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Mammalia
- Rodentia
- Cricetidae
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Sigmodon minor
Gidley 1922
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= Sigmodon medius
Gidley 1922
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Alroy 2002 | |||||||||
| synonym of Sigmodon minor | ||||||||||
| misinterpretation of Martin 1986, Martin and Prince 1989 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California | County: | San Diego |
| Coordinates: | 32.9° North, 117.1° West (view map) | ||||
| Paleocoordinates: | 32.7° North, 116.1° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| 10 m.y. bin: | Cenozoic 6 | ||
| *Period: | Tertiary | *Epoch: | Pliocene | *Local age/stage: | Blancan |
| Key time interval: | Blancan | ||
| Age range of interval: | 4.70000 - 1.40000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Palm Spring | Member: | Diablo/Olla | ||
| Local section: | FCVC | Local bed: | 2134 | ||
| Local order: | bottom to top | ||||
| Stratigraphy comments: said to be Blancan | |||||
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 20101 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | J. Alroy | Research group: | vertebrate |
| Created: | 1999-09-21 00:00:00 | Last modified: | 2007-09-06 21:00:27 |
| Access level: | the public | Released: | 1999-09-21 00:00:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 1186. | M. L. Cassiliano. 1999. Biostratigraphy of Blancan and Irvingtonian mammals in the Fish Creek-Vallecito Creek section, southern California, and a review of the Blancan-Irvingtonian boundary. Journal of Vertebrate Paleontology 19(1):169-186 [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] |