Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795
       Order Caenogastropoda Cox, 1960 see Superorder Caenogastropoda Cox, 1960
         Suborder Ptenoglossa Gray, 1853 see Infraorder Ptenoglossa Gray, 1853
           Family Cerithiopsidae Adams & Adams, 1853
             Subfamily Cerithiopsinae Adams & Adams, 1853
               Tribe Seilini Golikov & Starobogatov, 1975, stat. inval. see Subfamily Seilinae Golikov & Starobogatov, 1975
                 1 Genus Seila Adams, 1861
                 2 Genus Cinctella Monterosato, 1884
                 3 Genus Paraseila Laseron, 1951
                 4 Genus Proseila Thiele, 1929