SDSNH loc. 3522, Laurels housing project: Lutetian, California
collected by D. J. McGuire 1989
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Gastropoda
- Neritidae
|
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| see common names | |||||||
Geography
| Country: | United States | State/province: | California | County: | San Diego |
| Coordinates: | 33.1° North, 117.2° West (view map) | ||||
| Paleocoordinates: | 38.3° North, 95.5° West (Wright 2013) | ||||
| Basis of coordinate: | stated in text | ||||
| Altitude: | 174 meters |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Lutetian | 10 m.y. bin: | Cenozoic 2 |
| Key time interval: | Lutetian | ||
| Age range of interval: | 48.07 - 41.03 m.y. ago |
Stratigraphy
| Formation: | Santiago | ||||
| Stratigraphy comments: Santiago Formation. Age: Middle Eocene. |
Lithology and environment
| Primary lithology: | sandstone |
| Secondary lithology: | muddy siltstone |
| Lithology description: "interbedded sandstone and muddy siltstone within a channel complex" | |
| Environment: | coastal indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis | ||
| Collectors: | D. J. McGuire | Collection dates: | November 30, 1989 |
Metadata
| Database number: | 220402 | ||
| Authorizer: | J. Marcot | Enterer: | J. Marcot |
| Modifier: | G. Varnham | Research group: | marine invertebrate |
| Created: | 2021-05-25 12:50:25 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2021-05-25 12:50:25 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 76986. | R. L. Squires and L. R. Saul. 2006. New Late Cretaceous mytilid and tellinoidean bivalves from California. The Veliger 48(3):121-135 [J. Marcot/J. Marcot] |