Sandy shale bluffs along Cowlitz River, 1 1/2 mi below mouth of Drew Creek (Eocene of the United States)

Where: Olequa County, Washington (46.4° N, 122.9° W: paleocoordinates 48.5° N, 107.0° W)

When: Eocene (56.0 - 33.9 Ma)

Environment/lithology: marine; sandy shale

Size classes: macrofossils, mesofossils

• One specimen, paratype b, showing a fragment of carapace, of arm and of merus of three ambulatory legs.

Collected by H. Hannibal

• Stanford University (N. Pac. 251)

Primary reference: M. J. Rathbun. 1926. The Fossil Stalk-Eyed Crustacea of the Pacific Slope of North America. United States National Museum Bulletin 138:1-155 [C. Schweitzer/S. Yost/M. Uhen]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 139013: authorized by Carrie Schweitzer, entered by Samantha Yost on 07.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Malacostraca
 Decapoda - Mathildellidae
Branchioplax washingtoniana Rathbun 1916 crab