CSUN Loc. 987 [Juncal Fm]: Lutetian, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Opisthobranchia
- Retusidae
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Cylichnina tantilla
(Anderson and Hanna 1925)
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7 specimens | |||||||||
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Gastropoda
- Turritellidae
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Turritella andersoni
Dickerson 1916
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14 specimens | |||||||||
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Turritella buwaldana
Dickerson 1916
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1 specimen | |||||||||
| ? in locality information | ||||||||||
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Turritella uvasana
Conrad 1855
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3 specimens | |||||||||
| Turritella uvasana hendoni (s.l.) | ||||||||||
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Gastropoda
- Ampullinidae
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Pachycrommium clarki
(Stewart 1927)
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12 specimens | |||||||||
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Gastropoda
- Naticidae
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Natica uvasana
Gabb 1864
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1 specimen | |||||||||
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Gastropoda
- Neogastropoda
- Fasciolariidae
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Clavilithes tabulatus
(Dickerson 1913)
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1 specimen | |||||||||
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Gastropoda
- Neogastropoda
- Cochlespiridae
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Apiotoma californiana
Squires 1987
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1 specimen | |||||||||
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Gastropoda
- Neogastropoda
- Clavatulidae
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Cryptoconus cooperi
(Dickerson 1916)
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1 specimen | |||||||||
| recombined as Turricula cooperi | ||||||||||
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Gastropoda
- Neogastropoda
- Conidae
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Conus remondii
Gabb 1864
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1 specimen | |||||||||
| ? in locality information | ||||||||||
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Gastropoda
- Neogastropoda
- Olividae
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Olivella mathewsonii
Gabb 1864
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1 specimen | |||||||||
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Gastropoda
- Strombidae
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Ectinochilus macilentus
(White 1889)
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5 specimens | |||||||||
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Gastropoda
- Cassidae
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Galeodea (Caliagaleodea) californica
Clark 1942
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1 specimen | |||||||||
| recombined as Galeodea californica | ||||||||||
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Bivalvia
- Arcida
- Arcidae
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Barbatia cf. cliffensis
Hanna 1927
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1 specimen | |||||||||
| recombined as Barbatia (Cucullaearca) cliffensis | ||||||||||
| [entered as Barbartia cliffensis] | ||||||||||
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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 | ||||||||||
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Bivalvia
- Pholadida
- Teredinidae
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Teredinidae indet.
Rafinesque 1815
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1 specimen | |||||||||
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Bivalvia
- Lucinida
- Lucinidae
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Claibornites diegoensis
(Dickerson 1916)
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1 specimen | |||||||||
| recombined as Claibornites (Claibornites) diegoensis | ||||||||||
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Anthozoa
- Scleractinia
- Caryophylliidae
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Trochocyathus grahami
(Durham 1943)
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1 specimen | |||||||||
| original and current combination Platycyathus grahami | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California | County: | Ventura |
| Coordinates: | 34.5° North, 119.0° West (view map) | ||||
| Paleocoordinates: | 35.2° North, 105.0° 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 for microfossil (nannos and planktonic forams) collections, but all were barren. | |
Metadata
| Also known as: | LACMIP Loc. 16175 | ||
| Database number: | 5543 | ||
| Authorizer: | A. Miller | Enterer: | K. Layou |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 1999-10-12 07:54:10 | Last modified: | 2016-02-29 00:43:07 |
| Access level: | the public | Released: | 1999-10-12 07:54:10 |
| 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] |