Vallecito Creek (CU 47): Blancan, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Mylodontidae
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Glossotherium sp.
Owen 1840
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= Mylodontidae indet.
Ameghino 1889
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Alroy 2002 | |||||||||
| status unclear in light of MacDonald 1995 | ||||||||||
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Mammalia
- Megalonychidae
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Megalonyx sp.
Harlan 1825
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Mammalia
- Carnivora
- Canidae
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Canis priscolatrans
Cope 1899
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= Canis rufus
Audubon and Bachman 1851
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Alroy 2002 | |||||||||
| CU 47.5 | ||||||||||
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Mammalia
- Camelidae
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Hemiauchenia sp.
Gervais and Ameghino 1880
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Camelops sp.
Leidy 1854
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Mammalia
- Tayassuidae
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Platygonus sp.
Leconte 1848
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Mammalia
- Antilocapridae
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Capromeryx sp.
Matthew 1902
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Mammalia
- Perissodactyla
- Tapiridae
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Tapirus sp.
Brisson 1762
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Mammalia
- Perissodactyla
- Equidae
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Equus sp.
Linnaeus 1758
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Equus (Dolichohippus) sp.
(Heller 1912)
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| synonym of Equus | ||||||||||
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Mammalia
- Lagomorpha
- Leporidae
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Pewelagus dawsonae
White 1984
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Sylvilagus hibbardi
White 1984
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Mammalia
- Rodentia
- Heteromyidae
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Dipodomys compactus
True 1889
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Dipodomys hibbardi
Zakrzewski 1981
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Perognathus sp.
Maximillian 1839
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= Perognathinae indet.
Coues 1875
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Alroy 2002 | |||||||||
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Mammalia
- Rodentia
- Geomyidae
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Geomys sp.
Rafinesque 1817
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= Geomyidae indet.
Bonaparte 1845
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Alroy 2002 | |||||||||
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Geomys garbanii
White and Downs 1961
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= Nerterogeomys garbanii
White and Downs 1961
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Alroy 2002 | |||||||||
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Geomys anzensis
Becker and White 1981
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= Nerterogeomys anzensis
Becker and White 1981
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Alroy 2002 | |||||||||
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Mammalia
- Rodentia
- Sciuridae
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Spermophilus sp.
Cuvier 1825
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Mammalia
- Rodentia
- Erethizontidae
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Erethizon stirtoni
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= Erethizon bathygnathum
Wilson 1935
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Alroy 2002 | |||||||||
| CU 47.2 | ||||||||||
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Mammalia
- Rodentia
- Cricetidae
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Hodomys sp.
Merriam 1894
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| "Neotoma (Hodomys) sp." | ||||||||||
| 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: | Huesos/Tapiado | ||
| Local section: | FCVC | Local bed: | 3065 | ||
| 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 |
| Taxonomic list comments:originally described by Downs and White 1968 the Vallecito Creek interval is said to span the upper 1267 m of the section or "CU 47.0-66.9," which implies about 63.4 m per CU; however, a figure of 61 m per CU is given elsewhere in the text; 63.4 m per CU is used here spans the C2r.1r - C2An.1n transition (2.581 Ma: Cande and Kent 1995); this is confirmed by a date of 2.3 +/- 0.2 Ma (FT on "ash") for the top of the Arroyo Seco interval mentioned by Lundelius et al. 1987 | |
Metadata
| Database number: | 20115 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | J. Alroy | Research group: | vertebrate |
| Created: | 1999-09-21 00:00:00 | Last modified: | 2007-09-06 21:00:48 |
| 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] |