Where: Los Angeles County, California (34.2° N, 118.7° W: paleocoordinates 38.7° N, 85.5° W)
• coordinate estimated from map
When: Chatsworth Formation, Late/Upper Cretaceous (100.5 - 66.0 Ma)
• Originally described as "Chico," but now mapped as Chatsworth (Yerkes and Showalter 1993)
Environment/lithology: marine; sandstone and shale
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 193032: authorized by Jonathan Marcot, entered by Jonathan Marcot on 04.05.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Baculites chicoensis Trask 1856 ammonite | |
Gastropoda | |
Anchura sp. Conrad 1860 snail | |
"Perissolax brevirostris" = Perissitys brevirostris
"Perissolax brevirostris" = Perissitys brevirostris Gabb 1864 snail | |
Volutoderma blakei Saul and Squires 2008 volute | |
"Gyrodes compressus n. sp." = Euspira compressa, "Gyrodes canadensis" = Gyrodes (Sohlella) canadensis
"Gyrodes compressus n. sp." = Euspira compressa Waring 1917 moon snail
"Gyrodes canadensis" = Gyrodes (Sohlella) canadensis Whiteaves 1903 moon snail | |
Bivalvia | |
"Glycimeris veatchii" = Glycymerita veatchii
"Glycimeris veatchii" = Glycymerita veatchii Gabb 1864 clam |