USGS 4783, Canoas Creek (Pliocene of the United States)

Where: Fresno County, California (36.0° N, 120.2° W: paleocoordinates 35.8° N, 119.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Etchegoin Formation, Zanclean (5.3 - 3.6 Ma)

• About 125 feet stratigraphically below the top of the Etchegoin Fm.

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified, coarse-grained, gray, blue sandstone

• Rather hard, coarse blue-gray sandstone layer

Size class: macrofossils

Collected by Ralph Arnold in 1907; reposited in the USNM

Primary reference: M. J. Rathbun. 1908. Descriptions of fossil crabs from California. Proceedings of the United States National Museum 35:341-349 [C. Schweitzer/S. Yost/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 138725: authorized by Carrie Schweitzer, entered by Samantha Yost on 26.01.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Malacostraca
 Decapoda - Epialtidae
Loxorhynchus grandis
Loxorhynchus grandis Stimpson 1857 spider crab