Riverside County Landfill (Site 311): Blancan, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Rodentia
- Cricetidae
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Sigmodon medius
Gidley 1922
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6 specimens | |||||||||
| synonym of Sigmodon minor | ||||||||||
| large-sized "S. minor" (4 measurements) | ||||||||||
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Neotoma fossilis
Gidley 1922
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Albright 1999 | 1 specimen | ||||||||
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Peromyscus cf. hagermanensis
Hibbard 1962
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Albright 1999 | 1 specimen | ||||||||
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Peromyscus maximus
Albright 1999
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Albright 1999 | 1 specimen | ||||||||
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Peromyscus ? baumgartneri
Hibbard 1954
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1 specimen | |||||||||
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Mammalia
- Rodentia
- Geomyidae
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Thomomys sp.
Wied-Neuwied 1839
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22 specimens | |||||||||
| (4 measurements) | ||||||||||
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= Thomomys gidleyi
Wilson 1933
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Albright 1999 | |||||||||
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Mammalia
- Rodentia
- Heteromyidae
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Dipodomys sp.
Gray 1841
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5 specimens | |||||||||
| sp. C according to Albright 1999c; | ||||||||||
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Prodipodomys sp.
Hibbard 1939
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1 specimen | |||||||||
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Prodipodomys timoteoensis n. sp.
Albright 1999
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Albright 1999 | 8 specimens | ||||||||
| includes additional dipodomyine said to be new (1 measurement) | ||||||||||
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Perognathus sp.
Maximillian 1839
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5 specimens | |||||||||
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= Perognathinae indet.
Coues 1875
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Alroy 2002 | |||||||||
| sp. A and sp. B, see Albright 1999c; (1 + 4) | ||||||||||
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Mammalia
- Lagomorpha
- Leporidae
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Sylvilagus sp.
Gray 1867
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1 specimen | |||||||||
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? Archaeolaginae indet.
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Albright 1999 | 4 specimens | ||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California | County: | Riverside |
| Coordinates: | 33.9° North, 117.0° West (view map) | ||||
| Paleocoordinates: | 33.7° North, 116.0° West | ||||
| Basis of coordinate: | based on political unit |
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: | San Timoteo | ||||
| Local section: | ElCas | Local bed: | 311 | ||
| 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
| Collection size: | 46 specimens |
| Taxonomic list comments:in a normal magnetic polarity interval generically identifiable NISP 46 | |
Metadata
| Database number: | 19740 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy | Research group: | vertebrate |
| Created: | 2000-05-19 00:00:00 | Last modified: | 2002-06-03 03:27:44 |
| Access level: | the public | Released: | 2000-05-19 00:00:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 938. | L. B. Albright. 1999. Magnetostratigraphy and biochronology of the San Timoteo Badlands, southern California, with implications for local Pliocene–Pleistocene tectonic and depositional patterns. Geological Society America Bulletin 111(9):1265-1293 [J. Alroy/J. Alroy/J. Ju] |
Secondary references:
| 939 | L. B. Albright. 1999. Biostratigraphy and Vertebrate Paleontology of the San Timoteo Badlands, Southern California. University of California Publications in Geological Sciences 144:1-121 [J. Alroy/J. Alroy/M. Uhen] | |
| 6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] |