UCMP loc. 2283 (Miocene of the United States)

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

• "The formation here consists entirely of soft yellowish sand- stone which in many localities is highly fossiliferous"

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
 Cardiida - Veneridae
"Chione semiplicata n. sp." = Chione (Chionopsis) semiplicata
"Chione semiplicata n. sp." = Chione (Chionopsis) semiplicata Nomland 1917 venus clam
Gastropoda
 Trochoidea - Tegulidae
Tegula thea Nomland 1917 snail
 Cerithioidea - Turritellidae
Turritella freya n. sp. Nomland 1917 turret shell