CSUN Loc. 540, Santa Susana Mountains: Lutetian, California
collected by Squires 1978
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia
- Pholadida
- Corbulidae
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Corbula (Caryocorbula) dickersoni
(Weaver and Palmer 1922)
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Gastropoda
- Seraphsidae
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Paraseraphs erraticus
(Cooper 1894)
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Gastropoda
- Turritellidae
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Turritella buwaldana
Dickerson 1916
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Gastropoda
- Opisthobranchia
- Retusidae
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Cylichnina tantilla
(Anderson and Hanna 1925)
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see common names |
Geography
Country: | United States | State/province: | California | County: | Los Angeles |
Coordinates: | 34.3° North, 118.6° West (view map) | ||||
Paleocoordinates: | 35.1° North, 104.6° West | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | outcrop |
Time
Period: | Paleogene | Epoch: | Eocene |
Stage: | Lutetian | 10 m.y. bin: | Cenozoic 2 |
Key time interval: | Lutetian | ||
Age range of interval: | 47.80000 - 41.20000 m.y. ago |
Stratigraphy
Formation: | Llajas |
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | sandstone |
Includes fossils? | Y |
Environment: | offshore |
Glacial or sequence phase: | transgressive |
Geology comments: Shallow-marine (transgressive) facies |
Taphonomy
Modes of preservation: | body,mold/impression |
Size of fossils: | macrofossils |
Preservation of anatomical detail: | medium |
Collection methods and comments
Collection methods: | field collection,survey of museum collection | ||
Reason for describing collection: | general faunal/floral analysis | ||
Museum repositories: | LACM | ||
Collectors: | Squires | Collection dates: | 1978 |
Metadata
Database number: | 207178 | ||
Authorizer: | J. Marcot | Enterer: | J. Marcot | Research group: | marine invertebrate |
Created: | 2019-12-31 01:20:46 | Last modified: | 2019-12-31 01:20:46 |
Access level: | the public | Released: | 2019-12-31 01:20:46 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
59877. | R. L. Squires. 1984. Megapaleontology of the Eocene Llajas Formation, Simi Valley, California. Contributions in Science, Natural History Museum of Los Angeles County 350:1-76 [M. Clapham/M. Clapham] |