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Sohl, N. F.; Kollmann, H. A. (1985). Cretaceous actaeonellid gastropods from the western hemisphere. United States Geological Survey Professional Paper. 1304: 1-104.
Sohl, N. F.; Kollmann, H. A. (1985). Cretaceous actaeonellid gastropods from the western hemisphere. United States Geological Survey Professional Paper. 1304: 1-104.