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)
                 Genus Astele Swainson, 1855
                   1 Subgenus Astelena Iredale, 1924
                   2 Subgenus Callistele Cotton & Godfrey, 1935
                   3 Subgenus Coralastele Iredale, 1930
                   4 Subgenus Eurastele Coen, 1946
                   5 Subgenus Mazastele Iredale, 1936
                   6 Subgenus Omphalotukaia Yoshida, 1948
                   7 Subgenus Pulchrastele Iredale, 1929
                   8 Subgenus Scrobiculinus Monterosato, 1889