Sandy shale cut along the Corvallis and Eastern Railway (Oligocene of the United States)

Also known as Between Rocky Point and Oysterville, Yaquina Bay

Where: Oregon (44.6° N, 124.0° W: paleocoordinates 44.2° N, 114.2° W)

When: Oligocene (33.9 - 23.0 Ma)

Environment/lithology: marine; sandy shale

Size classes: macrofossils, mesofossils

• One carapace and portions of a major and a minor cheliped (M. triangulum); A single nodule containing two specimens of propodus, one (paratype d) showing the inner surface of a right major propodus complete and the other (paratype c) the outer surface of a left major propodus incomplete, (N. porterensis);

Preservation: concretion

Collected by Harold Hannibal

• 14 specimens (P. vulgaris), Stanford University (N. Pac. 15);

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 139533: authorized by Carrie Schweitzer, entered by Samantha Yost on 13.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Malacostraca
 Decapoda - Carcinidae
Maeandricampus triangulum Rathbun 1926 crab
 Decapoda - Xanthidae
Pilodius vulgaris Glaessner 1928 stone crab
 Decapoda - Callianassidae
Neocallichirus porterensis Rathbun 1926 decapod