Also known as USGS 26896

Where: Clallam County, Washington (48.3° N, 124.4° W: paleocoordinates 48.0° N, 113.6° W)

• coordinate estimated from map

When: Makah Formation, Rupelian (33.9 - 28.1 Ma)

• formation-level stratigraphic resolution

Environment/lithology: basinal (siliceous); mudstone

Size class: macrofossils

Preservation: replaced with phosphate

Primary reference: S. Kiel and J. L. Goedert. 2007. New mollusks associated with biogenic substrates in Cenozoic deep−water sediments of Washington State. Acta Palaeontologica Polonica 52(1):41-52 [M. Uhen/M. Uhen]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 205037: authorized by Mark Uhen, entered by Mark Uhen on 03.10.2019

Creative Commons license: CC BY (attribution)