Pearson Ranch (Bed SS21): Duchesnean, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Perissodactyla
- Amynodontidae
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Amynodontopsis bodei
Stock 1933
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Stock 1933 | 1 specimen | ||||||||
| described by Stock 1936c | ||||||||||
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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
- Oromerycidae
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Protylopus pearsonensis
Golz 1976
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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 |
| Taxonomic list comments:initially reported by Stock 1932b records of Golz and Lillegraven 1977 omitted by Kelly: Insectivora indet. Rodentia indet. Brontotheriidae indet. ? Triplopus sp. | |
Metadata
| Also known as: | CIT 147 | ||
| Database number: | 16811 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | M. Uhen | Research group: | vertebrate |
| Created: | 1993-02-18 00:00:00 | Last modified: | 2008-11-10 16:37:15 |
| 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:
| 28442 | G. Calvano, D. R. Prothero, J. Ludtke and E. B. Lander. 2008. Magnetic stratigraphy of the Eocene to Miocene Sespe and Vaqueros formations, Los Angeles and Orange counties, California. Natural History Museum of Los Angeles County Science Series 41:43-61 [M. Uhen/M. Uhen] | |
| 3256 | C. Stock. 1933. An amynodont skull from the Sespe deposits, California. Proceedings of the National Academy of Sciences 19(8):762-767 [J. Alroy/J. Alroy/J. Alroy] |