Patterson Farm, Pontotoc (Cretaceous of the United States)

Where: Pontotoc County, Mississippi (34.2° N, 89.0° W: paleocoordinates 37.8° N, 66.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: chalk

Size class: macrofossils

Reposited in the FMNH

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 78127: authorized by Wolfgang Kiessling, entered by Uta Merkel on 29.01.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Cassiduloida -
"Cassidulus hemisphericus n. sp." = Clarkiella hemispherica
"Cassidulus hemisphericus n. sp." = Clarkiella hemispherica Slocum 1909 sea urchin