Where: Jefferson County, Washington (48.0° N, 122.7° W: paleocoordinates 48.4° N, 110.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Quimper Formation, Priabonian (38.0 - 33.9 Ma)

• Molopophorus gabbi zone of Quimper sandstone. Lower Oligocene in Miller & Downs (1950) but assigned to the Priabonian on the basis of magnetostratigraphy by Prothero et al. (2009).

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, concretionary sandstone

Size class: macrofossils

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 180417: authorized by Matthew Clapham, entered by Matthew Clapham on 16.07.2016, edited by Mark Uhen

Creative Commons license: CC BY (attribution)