Bluff half a mile east of Porter Station (Oligocene of the United States)

Also known as Grays Harbor County

Where: Chehalis County, Washington (46.9° N, 123.3° W: paleocoordinates 46.6° N, 113.6° W)

When: Porter Formation, Oligocene (33.9 - 23.0 Ma)

Environment/lithology: marine; lithology not reported

• "bluff"

Size classes: macrofossils, mesofossils

• One specimen having only the chelipeds exposed (M. triangulum);

Collected by Thomas Etherington

• One specimen (P. vulgaris), University of Washington

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 139458: authorized by Carrie Schweitzer, entered by Samantha Yost on 12.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Malacostraca
 Decapoda - Xanthidae
Pilodius vulgaris Glaessner 1928 stone crab
 Decapoda - Carcinidae
Maeandricampus triangulum Rathbun 1926 crab