Where: Pontotoc County, Mississippi (34.1° N, 88.9° W: paleocoordinates 37.7° N, 66.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Ripley Formation, Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; sandstone

Size class: macrofossils

Collected by W.H. Monroe; reposited in the USNM

Primary reference: C. W. Cooke. 1953. American Upper Cretaceous Echinoidea. United States Geological Survey Professional Paper 254-A:1-44 [W. Kiessling/U. Merkel/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 78125: authorized by Wolfgang Kiessling, entered by Uta Merkel on 29.01.2008

Creative Commons license: CC BY (attribution)