UCMP 3792, Runkle Canyon (Paleocene of the United States)

Where: Ventura County, California (34.2° 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.N. Nelson in the 1920s; 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 185194: authorized by Matthew Clapham, entered by Matthew Clapham on 15.04.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Lucinida - Lucinidae
? Miltha sp. Adams and Adams 1857 clam
Fimbria susanensis Squires 1990 clam
Gastropoda
 Neritoidea - Neritidae
Velates californicus n. sp. Vokes 1935 snail