Mollusca Linnaeus, 1758 - molluscs see Phylum Mollusca Linnaeus, 1758
   Gastropoda Cuvier, 1795 see Class Gastropoda Cuvier, 1795
     Clade Caenogastropoda Cox, 1960 see Superorder Caenogastropoda Cox, 1960
       Zygopleuroid Group
         Family †Zygopleuridae Wenz, 1938
           1 Subfamily †Zygopleurinae Wenz, 1938
           2 Subfamily †Allostrophiinae Golikov & Starobogatov, 1987
           3 Subfamily †Ampezzopleurinae Nützel, 1998
           4 Subfamily †Kosmopleurinae Gründel, 2003