Chico area in Bell's Canyon north of Simi fault (Locality 2 of Waring 1917): Middle Campanian, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Ophiuroidea
- Amphilepidida
- Amphiuridae
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Amphiura lymani n. sp.
Waring 1917
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Echinoidea
- Clypeasteroida
- Scutellidae
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? Scutella sp.
Lamarck 1816
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Bivalvia
- Nuculanida
- Sareptidae
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Acila truncata
(Gabb 1864)
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synonym of Portlandia arctica | |||||||
Bivalvia
- Cardiida
- Arcticidae
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Dosinia milthoidea n. sp.
Waring 1917
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synonym of Tenea inflata | |||||||
Bivalvia
- Cardiida
- Glossidae
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Isocardia chicoensis n. sp.
Waring 1917
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Bivalvia
- Cardiida
- Veneridae
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Macrocallista cordata n. sp.
Waring 1917
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synonym of Paraesa lens | |||||||
Bivalvia
- Carditida
- Astartidae
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Crassatellites tuscanus
(Gabb 1864)
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original and current combination Astarte tuscana | |||||||
Bivalvia
- Trigoniida
- Megatrigoniidae
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Trigonia evansana
Meek 1864
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recombined as Pterotrigonia evansana | |||||||
Bivalvia
- Pectinida
- Propeamussiidae
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Pecten (Propeamusium) cowperi n. sp.
Waring 1917
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recombined as Propeamussium (Parvamussium) cowperi | |||||||
Bivalvia
- Arcida
- Parallelodontidae
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Nemodon (Arca) breweriana
(Gabb 1864)
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recombined as Nanonavis breweriana | |||||||
Bivalvia
- Arcida
- Glycymerididae
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Glycimeris veatchii
(Gabb 1864)
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recombined as Glycymerita veatchii | |||||||
Bivalvia
- Arcida
- Cucullaeidae
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Cucullaea youngi n. sp.
Waring 1917
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recombined as Cucullaea (Idonearca) youngi | |||||||
Gastropoda
- Heterostropha
- Architectonicidae
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Solariaxis templetoni n. sp.
Waring 1917
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Gastropoda
- Heterostropha
- Ringiculidae
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Cinulia obliqua
Gabb 1864
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recombined as Biplica obliqua | |||||||
Gastropoda
- Neogastropoda
- Clavatulidae
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Turris plicata n. sp.
Waring 1917
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replaced by Surcula binotata | |||||||
Gastropoda
- Neogastropoda
- Cancellariidae
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Cancellaria crassa n. sp.
Waring 1917
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replaced by Cancellaria simiana | |||||||
Gastropoda
- Capulidae
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Lysis suciensis
(Whiteaves 1879)
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Gastropoda
- Turritellidae
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Turritella chicoensis
Gabb 1864
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Gastropoda
- Ampullinidae
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Amauropsis oviformis
Gabb 1864
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recombined as Ampullina oviformis | |||||||
Cephalopoda
- Ammonitida
- Desmoceratidae
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Hauericeras transitionale n. sp.
Waring 1917
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see common names |
Geography
Country: | United States | State/province: | California | County: | Ventura |
Coordinates: | 34.2° North, 118.7° West (view map) | ||||
Paleocoordinates: | 40.0° North, 88.8° West | ||||
Basis of coordinate: | estimated from map |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
Key time interval: | Middle Campanian | ||
Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
Formation: | Chatsworth | ||||
Stratigraphy comments: Originally described as "Chico"; Chatsworth Formation. Late medial Campanian (Colburn et al., 1981; Saul and Anderson 1981). |
Lithology and environment
Primary lithology: | gray mudstone |
Includes fossils? | Y |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
Reason for describing collection: | general faunal/floral analysis |
Museum repositories: | CAS |
Collection method comments: Leland Stanford Junior University Paleontology Collections, eventually transferred to the California Academy of Sciences |
Metadata
Also known as: | CAS loc. 61644; Bell Canyon, Simi Hills | ||
Database number: | 193033 | ||
Authorizer: | J. Marcot | Enterer: | J. Marcot |
Modifier: | J. Marcot | Research group: | marine invertebrate |
Created: | 2018-05-04 14:12:00 | Last modified: | 2020-01-09 11:31:23 |
Access level: | the public | Released: | 2018-05-04 14:12:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
27071. | C. A. Waring. 1917. Stratigraphic and faunal relations of the Martinez to the Chico and Tejon of Southern California. Proceedings of the California Academy of Sciences 7(4):41-124 [L. Villier/L. Villier] |
Secondary references:
71448 | F. A. Sundberg. 1989. Propeamussium species (Bivalvia, Propeamussiidae) from the Upper Cretaceous of Southern California. Journal of Paleontology 63(1):53-63 [J. Marcot/J. Marcot] |