Chico area south of the Santa Monica Mountains (Locality 3 of Waring 1917): Late/Upper Cretaceous, California

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ammonitida - Placenticeratidae
Placenticeras californicum Anderson 1902
recombined as Metaplacenticeras californicum
Placenticeras sanctaemonicae n. sp. Waring 1917
recombined as Metaplacenticeras sanctaemonicae
Placenticeras pacificum Smith 1900
recombined as Metaplacenticeras pacificum
Gastropoda - Aporrhaidae
Pugnellus rotundus n. sp. Waring 1917
recombined as Lispodesthes rotundatus
Bivalvia - Ostreida - Pinnidae
Pinna calamitoides Shumard 1858
Bivalvia - Myalinida - Inoceramidae
Inoceramus whitneyi Gabb 1869
Inoceramus pembertoni n. sp. Waring 1917
Bivalvia - Arcida - Glycymerididae
Glycimeris veatchii (Gabb 1864)
recombined as Glycymerita veatchii
Bivalvia - Pholadomyida - Pholadomyidae
Pholadomya subelongata Meek 1857
Bivalvia - Cardiida - Mactridae
Mactra gabbiana Anderson 1902
    = Cymbophora popenoei Saul 1974
Saul 1974
Crassatellites triangulatus n. sp. Waring 1917
recombined as Cymbophora triangulata
Bivalvia - Cardiida - Veneridae
Chione varians (Gabb 1864)
    = Calva (Egelicalva) bowersiana Cooper 1894
Saul and Popenoe 1992
Venus pertenuis (Gabb 1864)
original and current combination Dosinia pertenuis
Bivalvia - Carditida - Crassatellidae
Crassatellites conradianus (Gabb 1864)
recombined as Crassatella conradiana
see common names

Geography
Country:United States State/province:California County:Los Angeles
Coordinates: 34.1° North, 118.5° West (view map)
Paleocoordinates:38.6° North, 85.4° West
Basis of coordinate:estimated from map
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
10 m.y. bin:Cretaceous 5-8
Key time interval:Late/Upper Cretaceous
Age range of interval:100.50000 - 66.00000 m.y. ago
Stratigraphy
Formation:Tuna Canyon
Stratigraphy comments: Originally described as "Chico," but now mapped as Tuna Canyon (Yerkes and Showalter 1993)
Lithology and environment
Primary lithology: sandstone
Secondary lithology: "shale"
Lithology description: "The Chico strata of the Calabasas sheet are lithologically like those of the northern Coast Ranges, and contain a similar fauna. They consist of a lower sandstone and an upper shale member, both of upper Chico age."
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
Database number:193034
Authorizer:J. Marcot Enterer:J. Marcot
Modifier:J. Marcot Research group:marine invertebrate
Created:2018-05-04 14:18:09 Last modified:2019-04-30 13:49:34
Access level:the public Released:2018-05-04 14:18:09
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:

71450 L. R. Saul. 1974. Described or figured West Coast species of Cymbophora. Journal of Paleontology 48(5):1068-1095 [J. Marcot/J. Marcot]
75750 L. R. Saul and W. P. Popenoe. 1992. Pacific Slope Cretaceous bivalves of the genus Calva. Contributions in Science, Los Angeles County Museum 433:1-68 [J. Marcot/J. Marcot]