List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Scaphopoda
- Dentaliida
- Dentaliidae
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Dentalium stentor
Anderson and Hanna 1925
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Dentalium (Laevidentalium) calafium
Vokes 1939
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Bivalvia
- Arcida
- Glycymerididae
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Glycymeris (Glycymeris) rosecanyonensis
(Hanna 1927)
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Glycymeris (Glycymerita) sagittata
(Gabb 1864)
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| recombined as Glycymerita sagittata | ||||||||||
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Bivalvia
- Pholadida
- Corbulidae
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Corbula (Caryocorbula) dickersoni
(Weaver and Palmer 1922)
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Bivalvia
- Cardiida
- Cardiidae
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Nemocardium linteum
(Conrad 1855)
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| recombined as Nemocardium (Nemocardium) linteum | ||||||||||
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Bivalvia
- Cardiida
- Veneridae
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Callista (Costacallista) cf. hornii
(Gabb 1864)
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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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Gastropoda
- Turritellidae
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Turritella buwaldana
Dickerson 1916
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Gastropoda
- Naticidae
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Natica (Naticarius) aff. uvasana
(Gabb 1864)
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| original and current combination Natica uvasana | ||||||||||
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Tejonia moragai
(Stewart 1927)
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| original and current combination Amaurellina moragai | ||||||||||
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Gastropoda
- Ficidae
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Ficopsis remondii
(Gabb 1864)
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| recombined as Ficus remondii | ||||||||||
| as Ficopsis remondii crescentensis | ||||||||||
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Gastropoda
- Neogastropoda
- Pseudolividae
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Pseudoliva lineata
Gabb 1864
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| recombined as Calorebama dilleri lineata | ||||||||||
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Gastropoda
- Neogastropoda
- Conidae
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Conus hornii
Gabb 1864
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| as Conus hornii umpquaensis | ||||||||||
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Gastropoda
- Neogastropoda
- Volutidae
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Lyrischapa lajollaensis
(Hanna 1927)
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Gastropoda
- Neogastropoda
- Harpidae
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Eocithara mutica
(Lamarck 1803)
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| original and current combination Harpa mutica | ||||||||||
| as Eocithara mutica californiensis | ||||||||||
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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
- Bursidae
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Ranellina pilsbryi
Stewart 1927
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Gastropoda
- Cerithiopsidae
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Cerithiopsis llajasensis
Squires 1984
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Gastropoda
- Ampullinidae
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Pachycrommium clarki
(Stewart 1927)
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Eocernina hannibali
(Dickerson 1914)
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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: | 36.2° North, 102.9° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Altitude: | 1900 feet | ||||
| Geographic resolution: | small collection |
Stratigraphy
| Formation: | Llajas |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | bioturbation sandstone |
| Includes fossils? | Y |
| Lithology description: sandstone. | |
| 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 |
| Taxonomic list comments:New species only. | |
Metadata
| Database number: | 200144 | ||
| Authorizer: | J. Marcot | Enterer: | J. Marcot |
| Modifier: | J. Marcot | Research group: | marine invertebrate |
| Created: | 2019-03-22 15:41:50 | Last modified: | 2020-01-02 00:43:02 |
| Access level: | the public | Released: | 2019-03-22 15:41:50 |
| 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] |