Near Astoria (Oligocene of the United States)

Also known as type-locality for Callianassa oregonensis

Where: Clatsop County, Oregon (46.2° N, 123.8° W: paleocoordinates 45.8° N, 114.1° W)

When: Oligocene (33.9 - 23.0 Ma)

• "Miocene" [probably Oligocene] - as quoted from reference

Environment/lithology: marine; argillaceous, calcareous lithology not reported

• "in calcareous concretions of argillaceous rock"

Size classes: macrofossils, mesofossils

• "type not found, probably not extant"

Preservation: concretion

Collection methods: United States Exploring Expedition

Primary reference: M. J. Rathbun. 1926. The Fossil Stalk-Eyed Crustacea of the Pacific Slope of North America. Smithsonian Institution United States National Museum [C. Schweitzer/S. Yost/S. Yost]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 140337: authorized by Carrie Schweitzer, entered by Samantha Yost on 08.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Malacostraca
 Decapoda - Callianassidae
Callianassa oregonensis Dana 1849 decapod