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

When: Oligocene (33.9 - 23.0 Ma)

Environment/lithology: marine; lithology not reported

Size classes: macrofossils, mesofossils

• 2 specimens (M. triangulum)

Collected by H. Landes

• 7 specimens, at University of Washington and Arnold Collection (H. Landes) at Stanford University

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 139444: authorized by Carrie Schweitzer, entered by Samantha Yost on 12.02.2013, edited by Mark Uhen

Creative Commons license: CC BY (attribution)