CSUN Loc. 980 [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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1 specimen | |||||||||
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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
- Neotaenioglossa
- Calyptraeidae
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Calyptraea diegoana
(Conrad 1855)
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3 specimens | |||||||||
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Gastropoda
- Neogastropoda
- Cancellariidae
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Bonellitia paucivaricata
(Gabb 1864)
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1 specimen | |||||||||
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Gastropoda
- Neogastropoda
- Volutidae
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Lyria andersoni
Waring 1917
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2 specimens | |||||||||
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Gastropoda
- Seraphsidae
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Paraseraphs erraticus
(Cooper 1894)
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4 specimens | |||||||||
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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
- Cymatiidae
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Olequahia domenginica
(Vokes 1939)
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2 specimens | |||||||||
| original and current combination Ranella domenginica | ||||||||||
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Gastropoda
- Ficidae
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Ficopsis crescentensis
(Weaver and Palmer 1922)
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1 specimen | |||||||||
| invalid subgroup of Ficus remondii | ||||||||||
| Ficopsis remondii crescentensis | ||||||||||
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Gastropoda
- Turritellidae
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Turritella buwaldana
Dickerson 1916
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6 specimens | |||||||||
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Bivalvia
- Arcida
- Glycymerididae
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Glycymeris sagittata
(Gabb 1864)
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3 specimens | |||||||||
| recombined as Glycymerita sagittata | ||||||||||
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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 | ||||||||||
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Bivalvia
- Cardiida
- Veneridae
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Callista hornii
(Gabb 1864)
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1 specimen | |||||||||
| as ssp. "Callista hornii vokesi" | ||||||||||
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Pitar joaquinensis
Vokes 1939
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6 specimens | |||||||||
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Bivalvia
- Cardiida
- Cardiidae
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Nemocardium linteum
(Conrad 1855)
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1 specimen | |||||||||
| recombined as Nemocardium (Nemocardium) linteum | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California | County: | Ventura |
| Coordinates: | 34.8° North, 119.2° West (view map) | ||||
| Paleocoordinates: | 35.5° North, 105.1° 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 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) collection, but all were barren. | |
Metadata
| Database number: | 5540 | ||
| Authorizer: | A. Miller | Enterer: | K. Layou |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 1999-10-12 06:42:07 | Last modified: | 2016-02-29 01:03:43 |
| Access level: | the public | Released: | 1999-10-12 06:42:07 |
| 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] |