Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795
       Superorder Archaeogastropoda Thiele, 1925
         Order Vetigastropoda Salvini-Plawen, 1980 - archaeogastropods s.l.
           Superfamily Trochoidea Rafinesque, 1815
             Family Trochidae Rafinesque, 1815 - top snails
               Subfamily Stomatellinae Gray, 1840
                 01 Genus Stomatella Lamarck, 1816
                 02 Genus Stomatia Helbling, 1779
                 03 Genus Gena Gray, 1842
                 04 Genus Mesogena Cox, 1960
                 05 Genus Praestomatia Cox, 1960
                 06 Genus Pseudostomatella Thiele, 1924
                 07 Genus Microtis Adams, 1850
                 08 Genus Broderipia Gray, 1847
                 09 Genus Roya Iredale, 1912
                 10 Genus Synaptocochlea Pilsbry, 1890