Where: Clallam County, Washington (48.2° N, 124.1° W)

• Paleocoordinates: 53.0° N, 108.8° W (Wright 2013)

• coordinate based on political unit

When: Twin Rivers Formation, Oligocene (33.9 - 23.0 Ma)

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: J. W. Durham. 1944. Megafaunal zones of the Oligocene of northwestern Washington. University of California Publications in Geological Sciences 27:101 -212 [P. Holroyd/E. Orzechowski]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 208177: authorized by Mark Uhen, entered by Mark Uhen on 22.03.2020

Creative Commons license: CC0 (CC0)