Where: Lewis County, Washington (46.4° N, 123.0° W: paleocoordinates 46.7° N, 110.7° W)

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

Environment/lithology: marine; lithology not reported

Size classes: macrofossils, mesofossils

• One specimen showing dorsal surface of carapace and two fragments of appendages; "At a short distance is an impression of what appears to be part of the manus ornamented with a reticulated pattern of fine granules."

Preservation: mold/impression

Collection methods: R. vaderensis: holotype in University of Washington, Loc. 6 (old No. 3005)

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 140006: authorized by Carrie Schweitzer, entered by Samantha Yost on 27.02.2013

Creative Commons license: CC BY (attribution)