Also known as LACMIP Loc. 24671

Where: Contra Costa County, California (37.9° N, 121.8° W: paleocoordinates 43.9° N, 97.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Deer Valley Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified sandstone

Size class: macrofossils

Collected by W. P. Popenoe in 1962; reposited in the LACM

Primary reference: L. R. Saul. 1989. California Late Cretaceous donaciform bivalves. The Veliger 32(2):188-208 [J. Marcot/J. Marcot]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 210582: authorized by Jonathan Marcot, entered by Jonathan Marcot on 05.06.2020

Creative Commons license: CC BY (attribution)