El Casco: Irvingtonian, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Carnivora
- Mustelidae
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Mustelidae indet.
Fischer 1817
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Mammalia
- Carnivora
- Ursidae
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Arctodus sp.
Leidy 1854
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Mammalia
- Carnivora
- Canidae
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Canis edwardii
Gazin 1942
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3 specimens | |||||||||
| (1 measurement) | ||||||||||
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Mammalia
- Cervidae
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Odocoileus casciensis
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= Odocoileus hemionus
Rafinesque 1817
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Alroy 2002 | |||||||||
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Mammalia
- Camelidae
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Camelops cf. hesternus
(Leidy 1873)
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Mammalia
- Perissodactyla
- Equidae
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Plesippus francescana
(Frick 1921)
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1 specimen | |||||||||
| (3 measurements) | ||||||||||
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= Equus simplicidens
Cope 1892
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Albright 1999 | |||||||||
| recombined as Plesippus simplicidens | ||||||||||
| "E. (Equus)" and "E. (Hemionus)" | ||||||||||
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Mammalia
- Perissodactyla
- Tapiridae
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Tapirus cf. copei
Simpson 1945
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= Tapirus cf. haysii
Leidy 1860
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Alroy 2002 | |||||||||
| recombined as Tapirus (Helicotapirus) haysii | ||||||||||
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Mammalia
- Lagomorpha
- Leporidae
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Leporidae indet.
Fischer de Waldheim 1817
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Mammalia
- Rodentia
- Cricetidae
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Microtus sp.
Schrank 1798
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Albright 1999 | 1 specimen | ||||||||
| "primitive" | ||||||||||
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= Arvicolinae indet.
Gray 1821
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Bell and Bever 2006 | |||||||||
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Ondatra idahoensis
Wilson 1933
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Albright 1999 | 2 specimens | ||||||||
| same i.d. given by Frazier 1981; "O. annectens" according to Repenning 1987, Reynolds and Reeder 1991 (1 measurement) | ||||||||||
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Neotoma sp.
Say and Ord 1825
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Albright 1999 | 7 specimens | ||||||||
| includes "N. prealbigula"; "N. prelepida"; and "N. prefuscipes" | ||||||||||
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Synaptomys kansasensis
Hibbard 1952
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1 specimen | |||||||||
| (1 measurement) | ||||||||||
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= Mictomys kansasensis
Hibbard 1952
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Alroy 2002 | |||||||||
| see also Repenning 1987, Fejfar and Repenning 1998 | ||||||||||
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Mammalia
- Rodentia
- Geomyidae
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Thomomys sp.
Wied-Neuwied 1839
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Albright 1999 | 1 specimen | ||||||||
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Mammalia
- Rodentia
- Heteromyidae
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Dipodomys sp.
Gray 1841
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Albright 1999 | 2 specimens | ||||||||
| sp. D | ||||||||||
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Mammalia
- Rodentia
- Erethizontidae
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Erethizon cascoensis n. sp.
(White 1970)
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1 specimen | |||||||||
| see Frazier 1981 | ||||||||||
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Mammalia
- Megalonychidae
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Megalonyx sp.
Harlan 1825
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California | County: | Riverside |
| Coordinates: | 33.9° North, 117.0° West (view map) | ||||
| Paleocoordinates: | 33.9° North, 116.7° West | ||||
| Basis of coordinate: | based on political unit |
Time
| Period: | Quaternary | Epoch: | Pleistocene |
| 10 m.y. bin: | Cenozoic 6 | *Local age/stage: | Early/Lower Irvingtonian |
| Key time interval: | Irvingtonian | ||
| Age range of interval: | 1.40000 - 0.21000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | San Timoteo | Member: | upper | ||
| Local section: | ElCas | Local bed: | 350 | ||
| Local order: | bottom to top | ||||
| Stratigraphy comments: said to be early Irvingtonian | |||||
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection excludes: | some genera |
| Taxonomic list comments:stratigraphy discussed by Albright 1999b; specimen counts given by Albright 1999c exclude certain F:AM and SBCM material see also Frazier 1981 | |
Metadata
| Also known as: | SBCM 5.3.3; Site 350 | ||
| Database number: | 20319 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy | Research group: | vertebrate |
| Created: | 1995-03-26 00:00:00 | Last modified: | 2002-06-03 03:27:44 |
| Access level: | the public | Released: | 1995-03-26 00:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 2887. | R. E. Reynolds and W. A. Reeder. 1991. The San Timoteo Formation, Riverside County, California. San Bernardino County Museum Association Quarterly 38(3):44-48 [J. Alroy/J. Alroy/M. Uhen] |
Secondary references:
| 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] | |
| 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] | |
| 27859 | C. J. Bell and G. S. Bever. 2006. Description and significance of the Microtus (Rodentia : Arvicolinae) from the type Irvington fauna, Alameda County, California. Journal of Vertebrate Paleontology 26(2):371-380 [J. Alroy/J. Alroy] |