Kelly Ranch Core (SDSNH 4925): Uintan, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Primates
- Omomyidae
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Walshina esmaraldensis
López-Torres et al. 2018
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| see common names | |||||||
Geography
| Country: | United States | State/province: | California | County: | San Diego |
| Coordinates: | 33.1° North, 117.3° West (view map) | ||||
| Paleocoordinates: | 33.3° North, 104.1° West | ||||
| Basis of coordinate: | based on political unit |
Time
| Period: | Paleogene | Epoch: | Eocene |
| 10 m.y. bin: | Cenozoic 2-3 | ||
| Key time interval: | Uintan | Mammal zone: | Ui3 |
| Age range of interval: | 46.20000 - 39.70000 m.y. ago | ||
| Age estimate: | 42.5 to 41.5 Ma (paleomagnetic) |
Stratigraphy
Lithology and environment
| Primary lithology: | siltstone |
| Lithology description: ~0.6 m thick, gray-green, fine grained sandy siltstone | |
| Environment: | fluvial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Collection methods: | selective quarrying,sieve |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: approximately ~2900 kg of sediment were hand quarried and screenwashed | |
Metadata
| Database number: | 196550 | ||
| Authorizer: | P. Holroyd | Enterer: | P. Holroyd | Research group: | vertebrate |
| Created: | 2018-09-22 15:52:38 | Last modified: | 2018-09-22 15:52:38 |
| Access level: | the public | Released: | 2018-09-22 15:52:38 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 66860. | S. López-Torres, M. T. Silcox, and P. A. Holroyd. 2018. New omomyoids (Euprimates, Mammalia) from the late Uintan of southern California, USA, and the question of the extinction of the Paromomyidae (Plesiadapiformes, Primates). Palaeontologia Electronica 21.3.37A:1-28 [P. Holroyd/P. Holroyd/P. Holroyd] |