Where: Sumter County, Alabama (32.5° N, 88.0° W: paleocoordinates 36.0° N, 66.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: marine; siliciclastic sediments

Size class: macrofossils

Collected by L.W. Stephenson; 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 78182: authorized by Wolfgang Kiessling, entered by Uta Merkel on 30.01.2008

Creative Commons license: CC BY (attribution)