Canyon River gravel bar (Oligocene of the United States)

Also known as UWBM B-7452

Where: Grays Harbor County, Washington (47.3° N, 123.5° W: paleocoordinates 46.9° N, 113.8° W)

• coordinate stated in text

• hand sample-level geographic resolution

When: Lincoln Creek Formation, Oligocene (33.9 - 23.0 Ma)

• found in an area where late Oligocene part of formation is exposed, but upstream older rocks of late Eocene are exposed

Environment/lithology: marine; limestone

• inferred by authors to be from a hydrocarbon seep based on lithology and content
• "boulder of seep limestone"

Size classes: macrofossils, mesofossils

Collection methods: quarrying,

• reposited at Swedish Museum of Natural History

Primary reference: J. L. Goedert and S. Kiel. 2016. A lower jaw of the nautiloid Aturia angustata (Conrad, 1849) from Oligocene cold seep limestone, Washington State, U.S.A. PaleoBios 33:1-6 [P. Holroyd/P. Holroyd]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 198619: authorized by Patricia Holroyd, entered by Patricia Holroyd on 29.12.2018, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

Foraminifera indet. d'Orbigny 1826
 Mytilida - Mytilidae
Bathymodiolus inouei Amano and Jenkins 2011 mussel
 Protobranchia -
 Protobranchia - Solemyidae
Solemyidae indet. Adams and Adams 1857 Awning Clam
 Tectibranchia - Scaphandridae
Scaphandridae indet. Sars 1878 snail
 Nautilida - Aturiidae
Aturia angustata Conrad 1849 nautiloid