EastLake: Arikareean, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Odontiphorinidae
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Odontiphorinidae indet.
Gould 1844
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Cooper 2002 | |||||||||
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Mammalia
- Erinaceidae
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cf. Ocajila sp.
Macdonald 1963
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Mammalia
- Geolabididae
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Centetodon sp.
Marsh 1872
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Mammalia
- Carnivora
- Nimravidae
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Nimravus sp.
Cope 1879
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Mammalia
- Carnivora
- Canidae
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Canidae indet.
Fischer de Waldheim 1817
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| "Nothocyon"/"Cynodictis" | ||||||||||
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Mesocyon sp.
Scott 1890
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= Mesocyon coryphaeus
Cope 1879
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Wang 1994 | |||||||||
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Mammalia
- Creodonta
- Hyaenodontidae
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Hyaenodon sp.
Laizer and Parieu 1838
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Mammalia
- Merycoidodontidae
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Mesoreodon sp.
Scott 1893
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Sespia californica
(Stock 1930)
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| recombined as Cyclopidius californicus | ||||||||||
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Mammalia
- Camelidae
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Stenomylini indet.
Prothero 1996
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Prothero 1996 | |||||||||
| said to be new; includes both "Miotylopus sp." and "cf. Dyseotylopus sp." | ||||||||||
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Mammalia
- Hypertragulidae
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Hypertragulus fontanus
Stock 1935
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| recombined as Nanotragulus fontanus | ||||||||||
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Mammalia
- Perissodactyla
- Rhinocerotidae
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Subhyracodon sp.
Wood 1927
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Mammalia
- Lagomorpha
- Leporidae
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Palaeolagus sp.
Leidy 1856
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Mammalia
- Rodentia
- Cricetidae
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Leidymys sp.
Wood 1936
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Mammalia
- Rodentia
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Proheteromys sp.
Wood 1932
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= Geomyoidea indet.
Bonaparte 1845
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Alroy 2002 | |||||||||
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Mammalia
- Rodentia
- Heteromyidae
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Heteromyidae indet.
Gray 1868
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Mammalia
- Rodentia
- Sciuridae
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Protosciurus sp.
Black 1963
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Mammalia
- Rodentia
- Aplodontidae
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Meniscomys sp.
Cope 1878
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California | County: | San Diego |
| Coordinates: | 32.9° North, 117.1° West (view map) | ||||
| Paleocoordinates: | 31.6° North, 108.9° West | ||||
| Basis of coordinate: | based on political unit |
Time
| 10 m.y. bin: | Cenozoic 4-5 | ||
| *Period: | Tertiary | *Epoch: | Oligocene |
| Key time interval: | Arikareean | ||
| Age range of interval: | 29.50000 - 18.50000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Otay |
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Taxonomic list comments:from 63 sites spanning a 56 m interval; an ash dated at 28.86 Ma (SCLF Ar-Ar) is about 100 m above "over 600 isolated jaws" of Sespia, but total NISP not clear |
Metadata
| Database number: | 17497 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy | Research group: | vertebrate |
| Created: | 1993-02-18 00:00:00 | Last modified: | 2002-06-03 03:27:42 |
| Access level: | the public | Released: | 1993-02-18 00:00:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 1359. | T. A. Deméré. 1988. SEPM Pacific Section Symposium 58 [J. Alroy/J. Alroy/M. Uhen] |
Secondary references:
| 6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
| 23554 | A. S. Cooper. 2002. Earliest record of a New World quail from the East Lake local fauna, Otay Formation (late Oligocene) of San Diego County, California. Georgia Journal of Science 60(1):35 [J. Alroy/J. Alroy] | |
| 2805 | 5% 6280 | D. R. Prothero. 1996. Camelidae. In D. R. Prothero and R. J. Emry (eds.), The Terrestrial Eocene-Oligocene Transition in North America 609-651 [J. Alroy/J. Alroy/J. Marcot] |
| 6226 | X. Wang. 1994. Phylogenetic systematics of the Hesperocyoninae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 221:1-207 [J. Alroy/J. Alroy/J. Alroy] |