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 Eumetulinae Golikov & Starobogatov, 1975
               01 Genus Eumetula Thiele, 1912
               02 Genus Cerithiopsilla Thiele, 1912
               03 Genus Cerithiopsida Bartsch, 1911
               04 Genus Clathropsis Laseron, 1956
               05 Genus Furukuwaia Kuroda & Habe, 1961
               06 Genus Altispecula Powell, 1930
               07 Genus Liometaxia Le Renard, 1980
               08 Genus Onchodia Dall, 1924
               09 Genus Retilaskeya Marshall, 1978
               10 Genus Socienna Finlay, 1926
               11 Genus Specula Finlay, 1926
               12 Genus Zaclys Finlay, 1926