Also known as UCMP IP11242

Where: Washington (47.6° N, 122.5° W)

• Paleocoordinates: 52.1° N, 108.3° W (Wright 2013)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: submarine fan; lithified, nodular 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 180407: authorized by Matthew Clapham, entered by Matthew Clapham on 15.07.2016

Creative Commons license: CC0 (CC0)