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Marginifera muricatina

Geological Range

Desmoinesian; Extinct.

Paleogeographic Distribution

Oklahoma to Iowa.

Stratigraphic Occurrences

Desmoinesian
Big Branch Formation (OK)
Big Branch Formation (Pumpkin Creek Limestone Member) (OK)
Boggy Formation (OK)
Lake Murray Formation (Lester Member) (OK)
Verdigris Formation (Ardmore Limestone Member) (IA)
Wetumka Formation (OK)
Unknown Stage
Cherokee Shale (IA)
Desmoinesian Map
Desmoinesian Map