Pearson Ranch (Bed CS16): Duchesnean, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Testudines
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Chelonia indet.
(Latreille 1800)
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Golz and Lillegraven 1977 | |||||||||
| synonym of Testudines | ||||||||||
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Reptilia
- Anguidae
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Anguidae indet.
Gray 1825
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Golz and Lillegraven 1977 | |||||||||
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Mammalia
- Perissodactyla
- Brontotheriidae
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Duchesneodus californicus
(Stock 1935)
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= Duchesneodus uintensis
Peterson 1931
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Alroy 2002 | |||||||||
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Mammalia
- Perissodactyla
- Hyracodontidae
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? Triplopus woodi
Stock 1936
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Stock 1936 | 1 specimen | ||||||||
| described by Stock 1936c from CIT 148; | ||||||||||
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Mammalia
- Perissodactyla
- Amynodontidae
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Amynodontopsis bodei
Stock 1933
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Mammalia
- Praetragulidae
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Simimeryx hudsoni
Stock 1934
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Mammalia
- Agriochoeridae
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Protoreodon pacificus
Golz 1976
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Mammalia
- Protoceratidae
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Leptoreodon stocki
Kelly 1990
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Mammalia
- Carnivora
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? Carnivora indet.
Bowdich 1821
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Golz and Lillegraven 1977 | |||||||||
| from CIT 148 | ||||||||||
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Mammalia
- Sespedectidae
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Sespedectes singularis
Stock 1935
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Mammalia
- Rodentia
- Ischyromyidae
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Microparamys tricus
(Wilson 1940)
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Mammalia
- Rodentia
- Simimyidae
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Simimys simplex
(Wilson 1935)
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Mammalia
- Rodentia
- Cylindrodontidae
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Pareumys milleri
Peterson 1919
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California | County: | Ventura |
| Coordinates: | 34.3° North, 119.0° West (view map) | ||||
| Paleocoordinates: | 33.7° North, 107.3° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Eocene |
| 10 m.y. bin: | Cenozoic 3 | ||
| *Period: | Tertiary | ||
| Key time interval: | Duchesnean | ||
| Age range of interval: | 39.70000 - 37.00000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
Lithology and environment
| Primary lithology: | not reported |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
| Museum repositories: | LACM |
Metadata
| Also known as: | CIT 148, LACM 3379, 5641 | ||
| Database number: | 16806 | ||
| Authorizer: | J. Alroy, P. Holroyd | Enterer: | J. Alroy, P. Holroyd |
| Modifier: | M. Uhen | Research group: | vertebrate |
| Created: | 1993-02-18 00:00:00 | Last modified: | 2008-11-10 16:35:15 |
| Access level: | the public | Released: | 1993-02-18 00:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 2059. | T. S. Kelly. 1990. Biostratigraphy of Uintan and Duchesnean land mammal assemblages from the Middle Member of the Sespe Formation, Simi Valley, California. Contributions in Science, Natural History Museum of Los Angeles County 419:1-42 [J. Alroy/J. Alroy/J. Marcot] |
Secondary references:
| 6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
| 1681 | D. J. Golz and J. A. Lillegraven. 1977. Summary of known occurrences of terrestrial vertebrates from Eocene strata of southern California. Contributions to Geology, University of Wyoming 15(1):43-65 [J. Alroy/J. Alroy/J. Marcot] | |
| 3275 | C. Stock. 1936. Perissodactyla of the Sespe Eocene, California. Proceedings of the National Academy of Sciences 22(5):260-265 [J. Alroy/J. Alroy/J. Marcot] |