Eastern, Corson County, SD (Cretaceous of the United States)

Where: Corson County County, South Dakota (45.8° N, 101.7° W: paleocoordinates 49.6° N, 65.5° W)

When: Pierre Shale Formation, Late/Upper Cretaceous (100.5 - 66.0 Ma)

Environment/lithology: marine; shale

Size class: macrofossils

Primary reference: M. J. Rathbun. 1917. New Species of South Dakota Cretaceous Crabs. Proceedings of the United States National Museum 52(2182):385-391 [C. Schweitzer/S. Yost/S. Yost]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 134956: authorized by Carrie Schweitzer, entered by Samantha Yost on 19.10.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Decapoda - Homolidae
Homolopsis punctata Rathbun 1917 crab
 Decapoda - Cenomanocarcinidae
Campylostoma pierrense Rathbun 1917 crab