Mollusca Linnaeus, 1758 - molluscs see Phylum Mollusca Linnaeus, 1758
   Gastropoda Cuvier, 1795 see Class Gastropoda Cuvier, 1795
     Vetigastropoda Salvini-Plawen, 1980 see Order Vetigastropoda Salvini-Plawen, 1980
       01 Ataphridae Cossmann, 1915, incertae sedis
       02 Pendromidae Warén, 1991
       03 †Schizogoniidae Cox, 1960
       04 †Amberleyoidea Wenz, 1938
       05 †Eotomarioidea Wenz, 1938
       06 Fissurelloidea Fleming, 1822
       07 Haliotoidea Rafinesque, 1815
       08 Lepetelloidea Dall, 1882
       09 Lepetodriloidea McLean, 1988
       10 †Murchisonioidea Koken, 1896
       11 Neomphaloidea McLean, 1981
       12 Pleurotomarioidea Swainson, 1840
       13 †Porcellioidea Koken, 1895
       14 Scissurelloidea Gray, 1847
       15 Seguenzioidea Verrill, 1884
       16 Trochoidea Rafinesque, 1815
       17 Turbinoidea Rafinesque, 1815