Where: Fresno County, California (36.2° N, 120.3° W: paleocoordinates 35.8° N, 117.8° W)

• coordinate based on nearby landmark

• basin-level geographic resolution

When: Santa Margarita Formation, Late/Upper Miocene (11.6 - 5.3 Ma)

• LITHOSTRATIGRAPHY: The Santa Margarita Formation is overlain by the Etchegoin Formation, and overlies the Round Mountain Silt. AGE: Late Miocene. STRATIGRAPHIC POSITION: From oyster and pecten-bearing bed, 40 ft stratigraphically below the Etchegoin Formation.

• formation-level stratigraphic resolution

Environment/lithology: offshore; pebbly, sandy shale

Size classes: macrofossils, mesofossils

Collected by Adegoke in 1966; reposited in the UCMP

Collection methods: surface (float), surface (in situ),

• COLLECTORS: O. Adegoke, 1966. REPOSITORY: UCMP.

Primary reference: O. Adegoke. 1967. California Late Miocene records of Swiftopecten Hertlein, 1935. The Veliger 9(3):337-339 [A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 164674: authorized by Austin Hendy, entered by Austin Hendy on 10.12.2014, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)