Where: Fresno County, California (36.3° N, 120.3° W: paleocoordinates 35.8° N, 117.8° W)
• coordinate stated in text
When: Santa Margarita Formation, Late/Upper Miocene (11.6 - 5.3 Ma)
Environment/lithology: marine; poorly lithified, yellow sandstone
Size class: macrofossils
Collected by B. L. Clark; reposited in the UCMP
Primary reference: J. O. Nomland. 1917. Fauna of the Santa Margarita beds in the North Coalinga region of California. University of California Publications Bulletin of the Department of Geology 10(18):293-326 [J. Marcot/J. Marcot]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 216201: authorized by Jonathan Marcot, entered by Jonathan Marcot on 08.12.2020
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
"Chione semiplicata n. sp." = Chione (Chionopsis) semiplicata
"Chione semiplicata n. sp." = Chione (Chionopsis) semiplicata Nomland 1917 venus clam | |
Gastropoda | |
Tegula thea Nomland 1917 snail | |
Turritella freya n. sp.
Turritella freya n. sp. Nomland 1917 turret shell |