Swett's Ranch, Martinez: Early/Lower Eocene, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Echinoidea
- Cidaroida
- Cidaridae
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Cidaris martinezensis
Kew 1920
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| see common names | |||||||
Geography
| Country: | United States | State/province: | California | County: | Contra Costa |
| Coordinates: | 38.0° North, 122.1° West (view map) | ||||
| Paleocoordinates: | 41.9° North, 103.7° West |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Ypresian | 10 m.y. bin: | Cenozoic 2 |
| Key time interval: | Early/Lower Eocene | ||
| Age range of interval: | 56.00000 - 47.80000 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | not reported |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 203407 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen | Research group: | vertebrate |
| Created: | 2019-08-14 15:10:45 | Last modified: | 2019-08-14 15:10:45 |
| Access level: | the public | Released: | 2019-08-14 15:10:45 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 32966. | U. S. Grant and L. G. Hertlein. 1938. The West American Cenozoic Echinoidea. Publications of the University of California at Los Angeles in Mathematical and Physical Sciences 2:1-225 [L. Villier/L. Villier] |