Where: Washington County, Oregon (45.7° N, 123.3° W: paleocoordinates 46.0° N, 111.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• Rathbun (1932) states this is from the "Cardium weaveri" zone, Oligocene, but Cardium weaveri is only known from the lower Keasey Formation, which is Priabonian

Environment/lithology: marine; lithified shale

Size class: macrofossils

Collected by J.T. Holman, H.G. Schenck in 1927; reposited in the USNM

Primary reference: M. J. Rathbun. 1932. New species of fossil Raninidae from Oregon. Journal of the Washington Academy of Sciences 22(9):239-242 [C. Schweitzer/S. Yost/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 135997: authorized by Carrie Schweitzer, entered by Samantha Yost on 14.11.2012

Creative Commons license: CC BY (attribution)