USGS 6794, Shell Bluff, Prairie Creek (Cretaceous of the United States)

Where: Wilcox County, Alabama (32.3° N, 86.8° W: paleocoordinates 35.5° N, 64.8° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: chalk

• relatively shallow water of the neritic zone near shore

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 197246: authorized by Matthew Clapham, entered by Matthew Clapham on 26.10.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Echinoidea
 Cassiduloida -
Hardouinia aequorea
Hardouinia aequorea Morton 1834 sea urchin