Where: Clallam County, Washington (48.2° N, 123.9° W)

• Paleocoordinates: 52.8° N, 109.8° W (Wright 2013)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pysht Formation, Chattian (27.3 - 23.0 Ma)

• "upper Oligocene Twin Rivers formation" according to Miller & Downs, 1950. Based on the location, now belongs to the Pysht Formation.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Collected by J. Wyatt Durham; reposited in the UCMP

Primary reference: A. K. Miller and H. R. Downs. 1950. Tertiary nautiloids of the Americas: supplement. Journal of Paleontology 24:1-18 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 180406: authorized by Matthew Clapham, entered by Matthew Clapham on 15.07.2016

Creative Commons license: CC0 (CC0)