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
       Clade Sorbeoconcha Ponder & Lindberg, 1997 see Order Sorbeoconcha Ponder & Lindberg, 1997
         Clade Hypsogastropoda Ponder & Lindberg, 1997 see Suborder Hypsogastropoda Ponder & Lindberg, 1997
           Clade Littorinimorpha Pchelintsev, 1963 see Infraorder Littorinimorpha Pchelintsev, 1963
             Superfamily Tonnoidea Suter, 1913 (1825)
               1 Family Tonnidae Suter, 1913 (1825) - tuns
               2 Family Bursidae Thiele, 1925 - frog snails
               3 Family Laubierinidae Warén & Bouchet, 1990
               4 Family Personidae Gray, 1854
               5 Family Pisanianuridae Warén & Bouchet, 1990
               6 Family Ranellidae Gray, 1854 - tritons