Where: Pontotoc County, Mississippi (34.3° N, 89.0° W: paleocoordinates 37.9° N, 66.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Prairie Bluff Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• Prairie Bluff chalk, according to Cooke 1953

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: mesofossils

• right manus lacking the lower distal end and with a stump of the dactylus attached (N. ripleyensis);

Collected by L.W. Stephenson; reposited in the USNM

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: taxonomic analysis

PaleoDB collection 142418: authorized by Carrie Schweitzer, entered by Samantha Yost on 11.04.2013, edited by Matthew Clapham and Mark Uhen

Creative Commons license: CC BY (attribution)