UCMP Loc. 4052 - Llajas Canyon, Simi Valley: Ypresian, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Strombidae
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Rimella supraplicata
(Gabb 1864)
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Squires 2013 | ||||||
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Rimella macilenta
White 1889
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Squires 2013 | ||||||
| recombined as Ectinochilus (Macilentos) macilentus | |||||||
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Gastropoda
- Cypraeidae
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Gisortia clarki
Ingram 1940
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| see common names | |||||||
Geography
| Country: | United States | State/province: | California | County: | Ventura |
| Coordinates: | 34.3° North, 118.7° West (view map) | ||||
| Paleocoordinates: | 36.8° North, 101.7° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Ypresian | 10 m.y. bin: | Cenozoic 2 |
| Key time interval: | Ypresian | Foram zone: | P8 |
| Age range of interval: | 56.00000 - 47.80000 m.y. ago |
Stratigraphy
| Formation: | Llajas | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Capay stage. This means that it must be in the lower beds because only the lower beds extend there. This is in zones CP10-11. | |||||
Lithology and environment
| Primary lithology: | calcareous conglomerate |
| Lithology description: "basal conglomerate." Includes lots of calcaerous nanofossils. | |
| Environment: | coastal indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | UCMP |
Metadata
| Database number: | 178690 | ||
| Authorizer: | P. Wagner, M. Uhen | Enterer: | P. Wagner, M. Uhen |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2016-05-11 15:33:04 | Last modified: | 2016-05-11 21:34:38 |
| Access level: | the public | Released: | 2016-05-11 15:33:04 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 58891. | W. M. Ingram. 1947. Fossil and recent Cypræidae of the western regions of the Americas. Bulletins of American Paleontology 31(120):47-123 [P. Wagner/P. Wagner/P. Wagner] |
Secondary references:
| 59124 | R. L. Squires. 1987. Eocene molluscan paleontology of the Whitaker Peak area, Los Angeles and Ventura counties, California. Contributions in Science, Natural History Museum of Los Angeles County 388:1-93 [P. Wagner/P. Wagner] | |
| 49270 | R. L. Squires. 2013. West Coast North America record of the Paleogene marine stromboid gastropod Rimella and paleobiogeography of the genus. Journal of Paleontology 87(5):826-841 [M. Uhen/S. Alam/M. Uhen] |