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 Calliostomatinae Thiele, 1924 (1847)
                 1 Genus Calliostoma Swainson, 1840
                 2 Genus Astele Swainson, 1855
                 3 Genus Maurea Oliver, 1926
                 4 Genus Metaconulus Cossmann, 1918
                 5 Genus Otukaia Ikebe, 1941
                 6 Genus Photinula Adams & Adams, 1854
                 7 Genus Venustatrochus Powell, 1951
                 8 Genus Falsimargarita Powell, 1951
                 9 Genus Photinastoma Powell, 1951