Samwel Cave No. II: Late/Upper Pleistocene, California
collected 1903
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Megalonychidae
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Megalonyx sp.
Harlan 1825
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Mammalia
- Carnivora
- Ursidae
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Ursus sp.
Linnaeus 1758
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| two forms, one said to be new | ||||||||||
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Mammalia
- Carnivora
- Mustelidae
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Mustela sp.
Linnaeus 1758
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Mammalia
- Carnivora
- Procyonidae
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Procyon cf. lotor
(Linnaeus 1758)
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| "Procyon near lotor" | ||||||||||
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Mammalia
- Carnivora
- Mephitidae
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Mephitis occidentalis
Baird 1858
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| synonym of Mephitis mephitis | ||||||||||
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Mammalia
- Carnivora
- Canidae
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Urocyon townsendi
(Merriam 1899)
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| original and current combination Urocyon cinereoargenteus townsendi | ||||||||||
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Mammalia
- Carnivora
- Felidae
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Felis hippolestes
Merriam 1897
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| synonym of Puma concolor | ||||||||||
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Mammalia
- Cervidae
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Odocoileus sp.
Rafinesque 1832
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| "sp. (a)" and "sp. (b)" | ||||||||||
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Mammalia
- Bovidae
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Euceratherium collinum
Furlong and Sinclair 1904
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| plus "Euceratherium n. sp." | ||||||||||
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Mammalia
- Lagomorpha
- Leporidae
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Lepus sp.
Linnaeus 1758
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Lepus audubonii
Baird 1858
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| recombined as Sylvilagus audubonii | ||||||||||
| "Lepus auduboni" | ||||||||||
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Mammalia
- Rodentia
- Erethizontidae
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Erethizon epixanthus
Brandt 1835
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| recombined as Erethizon dorsatum epixanthus | ||||||||||
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Mammalia
- Rodentia
- Cricetidae
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Neotoma sp.
Say and Ord 1825
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Neotoma fuscipes
Baird 1858
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Microtus sp.
Schrank 1798
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Mammalia
- Rodentia
- Aplodontidae
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Aplodontia cf. major
Merriam 1886
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| synonym of Aplodontia rufa | ||||||||||
| "Aplodontia near major" | ||||||||||
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Mammalia
- Rodentia
- Sciuridae
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Sciurus sp.
Linnaeus 1758
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Citellus douglasi
(Bachman 1839)
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| synonym of Tamiasciurus hudsonicus | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California | County: | Shasta |
| Coordinates: | 40.9° North, 122.2° West (view map) | ||||
| Paleocoordinates: | 40.9° North, 122.2° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Altitude: | 1505 feet | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Quaternary | Epoch: | Pleistocene |
| Stage: | Late/Upper Pleistocene | 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Late/Upper Pleistocene | ||
| Age range of interval: | 0.12900 - 0.01170 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: the main deposit was "excavated, in places, to a depth of four feet, and in that thicknes shows six distinctly separated layers of clay, breccia and stalagmite" said to be Wisconsinan by Kurten and Anderson (1980) | |||||
Lithology and environment
| Primary lithology: | muddy breccia |
| Lithology description: "an accumulation of mud, stalagmite and gravel" | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Articulated whole bodies: | many |
| Associated major elements: | many |
| Disassociated major elements: | many |
| Disassociated minor elements: | many |
| Fragmentation: | frequent |
| Feeding/predation traces: | tooth marks |
| Temporal resolution: | time-averaged |
| Spatial resolution: | autochthonous |
Collection methods and comments
| Collection methods: | selective quarrying,field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | UCMP | Collection dates: | 1903 |
Metadata
| Also known as: | Samwell Cave | ||
| Database number: | 93250 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | J. Alroy | Research group: | vertebrate |
| Created: | 2010-01-09 10:39:58 | Last modified: | 2010-01-09 12:40:27 |
| Access level: | the public | Released: | 2010-01-09 10:39:58 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 31524. | E. L. Furlong. 1904. An account of the preliminary excavations in a recently explored Quaternary cave in Shasta County, California. Science 20:53-55 [J. Alroy/J. Alroy] |