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Nordsieck, H. (1986). The system of the Stylommatophora (Gastropoda), with special regard to the systematic position of the Clausiliidae, II. Importance of the shell and distribution. Archiv für Molluskenkunde. 117(1−3): 93−116.
Nordsieck, H. (1986). The system of the Stylommatophora (Gastropoda), with special regard to the systematic position of the Clausiliidae, II. Importance of the shell and distribution. Archiv für Molluskenkunde. 117(1−3): 93−116.