Also known as CAS loc. 61644; Bell Canyon, Simi Hills
Where: Ventura County, California (34.2° N, 118.7° W: paleocoordinates 40.0° N, 88.8° W)
• coordinate estimated from map
When: Chatsworth Formation, Middle Campanian (83.5 - 70.6 Ma)
• Originally described as "Chico"; Chatsworth Formation. Late medial Campanian (Colburn et al., 1981; Saul and Anderson 1981).
Environment/lithology: marine; gray mudstone
Size classes: macrofossils, mesofossils
Reposited in the CAS
• Leland Stanford Junior University Paleontology Collections, eventually transferred to the California Academy of Sciences
Primary reference: 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]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 193033: authorized by Jonathan Marcot, entered by Jonathan Marcot on 04.05.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
"Acila truncata" = Portlandia arctica
"Acila truncata" = Portlandia arctica Gray 1824 clam | |
"Pecten (Propeamusium) cowperi n. sp." = Propeamussium (Parvamussium) cowperi
"Pecten (Propeamusium) cowperi n. sp." = Propeamussium (Parvamussium) cowperi Waring 1917 mud scallop | |
"Glycimeris veatchii" = Glycymerita veatchii
"Glycimeris veatchii" = Glycymerita veatchii Gabb 1864 clam | |
"Nemodon (Arca) breweriana" = Parallelodon (Nanonavis) brewerianus
"Nemodon (Arca) breweriana" = Parallelodon (Nanonavis) brewerianus Gabb 1864 clam | |
"Cucullaea youngi n. sp." = Cucullaea (Idonearca) youngi
"Cucullaea youngi n. sp." = Cucullaea (Idonearca) youngi Waring 1917 clam | |
"Crassatellites tuscanus" = Astarte tuscana
"Crassatellites tuscanus" = Astarte tuscana Gabb 1864 clam | |
"Dosinia milthoidea n. sp." = Tenea inflata
"Dosinia milthoidea n. sp." = Tenea inflata Gabb 1864 clam | |
"Macrocallista cordata n. sp." = Paraesa lens
"Macrocallista cordata n. sp." = Paraesa lens Gabb 1864 venus clam | |
Isocardia chicoensis n. sp.
Isocardia chicoensis n. sp. Waring 1917 clam | |
"Trigonia evansana" = Pterotrigonia evansana
"Trigonia evansana" = Pterotrigonia evansana Meek 1864 clam | |
Gastropoda | |
"Cinulia obliqua" = Biplica obliqua
"Cinulia obliqua" = Biplica obliqua Gabb 1864 snail | |
Solariaxis templetoni n. sp.
Solariaxis templetoni n. sp. Waring 1917 sundial | |
"Amauropsis oviformis" = Ampullina oviformis
"Amauropsis oviformis" = Ampullina oviformis Gabb 1864 snail | |
"Cancellaria crassa n. sp." = Cancellaria simiana
"Cancellaria crassa n. sp." = Cancellaria simiana Hanna 1924 snail | |
Turris plicata n. sp.
Turris plicata n. sp. Waring 1917 turrid | |
Lysis suciensis Whiteaves 1879 snail | |
Turritella chicoensis Gabb 1864 turret shell | |
Cephalopoda | |
Hauericeras transitionale n. sp.
Hauericeras transitionale n. sp. Waring 1917 ammonite | |
Echinoidea | |
? Scutella sp. Lamarck 1816 sand dollar | |
Ophiuroidea | |
Amphiura lymani n. sp.
Amphiura lymani n. sp. Waring 1917 brittle star |