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
Echinoidea - Clypeasteroida - Scutellidae
? Scutella sp. Lamarck 1816
Ophiuroidea - Amphilepidida - Amphiuridae
Amphiura lymani n. sp. Waring 1917
Cephalopoda - Ammonitida - Desmoceratidae
Hauericeras transitionale n. sp. Waring 1917
Gastropoda - Heterostropha - Architectonicidae
Solariaxis templetoni n. sp. Waring 1917
Gastropoda - Heterostropha - Ringiculidae
Cinulia obliqua Gabb 1864
recombined as Biplica obliqua
Gastropoda - Turritellidae
Turritella chicoensis Gabb 1864
Gastropoda - Ampullinidae
Amauropsis oviformis Gabb 1864
recombined as Ampullina oviformis
Gastropoda - Capulidae
Lysis suciensis (Whiteaves 1879)
Gastropoda - Neogastropoda - Cancellariidae
Cancellaria crassa n. sp. Waring 1917
replaced by Cancellaria simiana
Gastropoda - Neogastropoda - Turridae
Turris plicata n. sp. Waring 1917
Bivalvia - Nuculanida - Sareptidae
Acila truncata (Gabb 1864)
synonym of Portlandia arctica
Bivalvia - Pectinida - Propeamussiidae
Pecten (Propeamusium) cowperi n. sp. Waring 1917
recombined as Propeamussium (Parvamussium) cowperi
Bivalvia - Arcida - Parallelodontidae
Nemodon (Arca) breweriana (Gabb 1864)
recombined as Nanonavis breweriana
Bivalvia - Arcida - Cucullaeidae
Cucullaea youngi n. sp. Waring 1917
recombined as Cucullaea (Idonearca) youngi
Bivalvia - Arcida - Glycymerididae
Glycimeris veatchii (Gabb 1864)
recombined as Glycymerita veatchii
Bivalvia - Cardiida - Glossidae
Isocardia chicoensis n. sp. Waring 1917
Bivalvia - Cardiida - Veneridae
Macrocallista cordata n. sp. Waring 1917
synonym of Paraesa lens
Bivalvia - Cardiida - Arcticidae
Dosinia milthoidea n. sp. Waring 1917
synonym of Tenea inflata
Bivalvia - Carditida - Astartidae
Crassatellites tuscanus (Gabb 1864)
original and current combination Astarte tuscana
Bivalvia - Trigoniida - Megatrigoniidae
Trigonia evansana Meek 1864
recombined as Pterotrigonia evansana
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]