CSUN Loc. 455, Las Llajas Canyon, Santa Susana Mountains: Lutetian, California
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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Bivalvia
- Mytilida
- Mytilidae
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Brachidontes (Brachidontes) cowlitzensis
(Weaver and Palmer 1922)
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Gastropoda
- Neotaenioglossa
- Calyptraeidae
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Calyptraea diegoana
(Conrad 1855)
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Gastropoda
- Strombidae
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Ectinochilus (Macilentos) macilentus
(White 1889)
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Gastropoda
- Cassidae
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Phalium (Semicassis) tuberculiformis
(Gabb 1864)
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Gastropoda
- Neogastropoda
- Conidae
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Conus hornii
Gabb 1864
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as Conus hornii umpquaensis | ||||||||||
Gastropoda
- Neogastropoda
- Clathurellidae
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Domenginella claytonensis
(Gabb 1864)
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Gastropoda
- Neogastropoda
- Volutidae
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Lyria andersoni
Waring 1917
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Gastropoda
- Turritellidae
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Turritella buwaldana
Dickerson 1916
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Turritella andersoni
Dickerson 1916
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as Turritella andersoni lawsoni | ||||||||||
Gastropoda
- Ampullinidae
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Pachycrommium clarki
(Stewart 1927)
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Eocernina hannibali
(Dickerson 1914)
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Gastropoda
- Opisthobranchia
- Retusidae
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Cylichnina tantilla
(Anderson and Hanna 1925)
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Gastropoda
- Heterostropha
- Architectonicidae
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Architectonica (Stellaxis) cognata
(Gabb 1864)
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Scaphopoda
- Dentaliida
- Dentaliidae
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Dentalium (Laevidentalium) calafium
Vokes 1939
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see common names |
Geography
Country: | United States | State/province: | California | County: | Los Angeles |
Coordinates: | 34.3° North, 118.7° West (view map) | ||||
Paleocoordinates: | 35.1° North, 104.6° West | ||||
Basis of coordinate: | estimated from map | ||||
Altitude: | 1475 feet | ||||
Geographic resolution: | small collection |
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 |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection excludes: | all microfossils,some macrofossils |
Collection methods: | bulk,field collection |
Reason for describing collection: | general faunal/floral analysis |
Museum repositories: | LACM |
Collection method comments: Repository: Formerly California State University Northridge (CSUN) |
Metadata
Database number: | 200845 | ||
Authorizer: | J. Marcot | Enterer: | J. Marcot |
Modifier: | J. Marcot | Research group: | marine invertebrate |
Created: | 2019-04-22 11:24:21 | Last modified: | 2019-12-31 00:57:23 |
Access level: | the public | Released: | 2019-04-22 11:24:21 |
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] |