CSUN Loc. 974 [Juncal Fm]: Lutetian, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Turbinidae
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Arene mcleani n. sp.
Squires 1988
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1 specimen | |||||||||
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Gastropoda
- Ampullinidae
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Eocernina hannibali
(Dickerson 1914)
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3 specimens | |||||||||
| ? in locality listing | ||||||||||
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Gastropoda
- Turritellidae
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Turritella buwaldana
Dickerson 1916
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1 specimen | |||||||||
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Gastropoda
- Neogastropoda
- Conidae
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Conus remondii
Gabb 1864
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1 specimen | |||||||||
| [entered as Conus remondi] | ||||||||||
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Gastropoda
- Xenophoridae
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Xenophora stocki
Dickerson 1916
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1 specimen | |||||||||
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Gastropoda
- Opisthobranchia
- Retusidae
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Cylichnina tantilla
(Anderson and Hanna 1925)
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1 specimen | |||||||||
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Bivalvia
- Nuculida
- Nuculidae
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Acila decisa
(Conrad 1855)
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1 specimen | |||||||||
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Bivalvia
- Pholadida
- Corbulidae
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Corbula parilis
Gabb 1864
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1 specimen | |||||||||
| recombined as Caryocorbula parilis | ||||||||||
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Bivalvia
- Cardiida
- Veneridae
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Pitar joaquinensis
Vokes 1939
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1 specimen | |||||||||
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Bivalvia
- Arcida
- Glycymerididae
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Glycymeris sagittata
(Gabb 1864)
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1 specimen | |||||||||
| recombined as Glycymerita sagittata | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California | County: | Ventura |
| Coordinates: | 34.8° North, 118.2° West (view map) | ||||
| Paleocoordinates: | 35.5° North, 104.1° West | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Lutetian | 10 m.y. bin: | Cenozoic 2 |
| *Period: | Tertiary | *Local age/stage: | Capay |
| Key time interval: | Lutetian | ||
| Age range of interval: | 47.80000 - 41.20000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Juncal |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | lag poorly lithified argillaceous siltstone |
| Secondary lithology: | poorly lithified sandstone |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: the juncal formation in northern lockwood valley is 605 m thick and consists predominantly of muddy siltstone with minor amounts of sandstone and scattered lenses with fossils. lenses are fine to coarse sandstone representing storm lag deposits. | |
| Environment: | transition zone/lower shoreface |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | bulk,field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | LACM |
| Collection method comments: Samples were taken and tested for microfossils (nannos and planktonic forams), but all collections were barren. | |
Metadata
| Also known as: | LACMIP Loc. 16193 | ||
| Database number: | 5524 | ||
| Authorizer: | A. Miller | Enterer: | K. Layou |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 1999-10-11 08:31:57 | Last modified: | 2016-02-29 00:37:15 |
| Access level: | the public | Released: | 1999-10-11 08:31:57 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 329. | R. L. Squires. 1988. Eocene Macropaleontology of Northern Lockwood Valley, Ventura County, California. Contributions in Science (Natural History Museum of Los Angeles County) 398:1-23 [A. Miller/K. Layou] |