Where: Sumter County, Alabama (32.7° N, 88.2° W: paleocoordinates 36.1° N, 66.1° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: chalk

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 197605: authorized by Matthew Clapham, entered by Matthew Clapham on 17.11.2018

Creative Commons license: CC BY (attribution)