Vance's creek, 2 1/2 mi above junction with Skokomish River, 13 mi above Union (Oligocene of the United States)

Where: Washington (47.3° N, 123.3° W: paleocoordinates 47.0° N, 112.5° W)

When: Early/Lower Oligocene (33.9 - 28.4 Ma)

Environment/lithology: marine; lithology not reported

Size classes: macrofossils, mesofossils

• One specimen and impression, also one palm (M. alaskensis)

Preservation: mold/impression

Collection methods: (N. Pac. 207) University of California

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

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 139889: authorized by Carrie Schweitzer, entered by Samantha Yost on 20.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Decapoda - Macropipidae
Megokkos alaskensis Rathbun 1926 crab