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 Architaenioglossa Haller, 1890
           Superfamily Cerithioidea Fleming, 1822
             Family Batillariidae Thiele, 1929
               Subfamily Tiaracerithiinae Bouniol, 1981 see Family Batillariidae Thiele, 1929
                 Genus Granulolabium Cossmann, 1889
                   Subgenus Tiaracerithium Sacco, 1895