East Twin River, upper part of the Pysht Formation (Oligocene of the United States)

Where: Clallam County, Washington (48.2° N, 123.9° W: paleocoordinates 47.8° N, 115.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Pysht Formation, Chattian (28.1 - 23.0 Ma)

• upper part of the Pysht Formation

• bed-level stratigraphic resolution

Environment/lithology: lithology not reported

Size class: macrofossils

Primary reference: K. Hryniewicz, K. Amano, R. G. Jenkins and S. Kiel. 2017. Thyasirid bivalves from Cretaceous and Paleogene cold seeps. Acta Palaeontologica Polonica 62(4):705-728 [W. Kiessling/M. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 191307: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 22.01.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Lucinida - Thyasiridae
Conchocele cf. bathyaulax Hickman 2015 clam