Where: Washington (48.0° N, 122.8° W: paleocoordinates 47.6° N, 113.0° W)

• coordinate estimated from map

When: Gries Ranch 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 208138: authorized by Mark Uhen, entered by Mark Uhen on 21.03.2020

Creative Commons license: CC BY (attribution)