Mollusca Linnaeus, 1758 - molluscs see Phylum Mollusca Linnaeus, 1758
   Gastropoda Cuvier, 1795 see Class Gastropoda Cuvier, 1795
     Clade Vetigastropoda Salvini-Plawen, 1980 see Order Vetigastropoda Salvini-Plawen, 1980
       Superfamily Trochoidea Rafinesque, 1815
         Family Calliostomatidae Thiele, 1924 (1847)
           1 Subfamily Calliostomatinae Thiele, 1924 (1847)
           2 Subfamily Thysanodontinae Marshall, 1988