Rock bluff in Northern Pacific Railway cut, 7850 feet S of milepost 76 (Eocene of the United States)

Also known as and 3/4 of a mile N of Olequa Railway Station

Where: Washington (46.3° N, 122.9° W: paleocoordinates 46.7° N, 110.6° W)

When: Late/Upper Eocene (37.2 - 33.9 Ma)

• Upper Eocene or Tejon

Environment/lithology: marine; lithology not reported

• Rock bluff

Size classes: macrofossils, mesofossils

• three specimens of the right manus and one of the left (C. umpquaensis)

Collection methods: University of Washington (299), Callianassa umpquaensis

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 140186: authorized by Carrie Schweitzer, entered by Samantha Yost on 05.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Malacostraca
 Decapoda - Callianassidae
Callianassa umpquaensis Rathbun 1926 decapod