West side, Missouri River, a short distance below Mobridge (Cretaceous of the United States)

Also known as eastern Corson county

Where: Corson County, South Dakota (45.5° N, 100.4° W: paleocoordinates 50.5° N, 66.5° W)

When: Pierre Shale Formation (Montana Group), Campanian (83.6 - 72.1 Ma)

• type-locality for Dakoticancer overanus

• bed-level stratigraphic resolution

Environment/lithology: marine; shale

Size classes: macrofossils, mesofossils

Reposited in the USNM

• USNM, type, Cat. No. 32055 and University of South Dakota (D. overanus);

Primary reference: M. J. Rathbun. 1935. Fossil Crustacea of the Atlantic and Gulf Coastal Plain. Geological Society of America Special Paper (2)1-160 [C. Schweitzer/S. Yost]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 142359: authorized by Carrie Schweitzer, entered by Samantha Yost on 10.04.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Malacostraca
 Decapoda - Dakoticancridae
Dakoticancer overanus Rathbun 1917 crab