Where: Ventura County, California (34.3° N, 118.7° W: paleocoordinates 38.0° N, 99.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Santa Susana Formation, Thanetian (59.2 - 56.0 Ma)

• Age: late Paleocene ("Meganos Stage")

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collected by R.B. Stewart; reposited in the UCMP

Primary reference: R. L. Squires. 1990. New Paleogene Fimbria (Mollusca: Bivalvia) from the Pacific coast of southwestern North America. Journal of Paleontology 64:552-556 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 185195: authorized by Matthew Clapham, entered by Matthew Clapham on 15.04.2017

Creative Commons license: CC BY (attribution)