Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Heterobranchia Burmeister, 1837 [monotypic] see Superorder Heterobranchia Burmeister, 1837
       Order Heterostropha Fischer, 1885
         Superfamily Pyramidelloidea Gray, 1840
           Family Amathinidae Ponder, 1987
             1 Genus Amathina Gray, 1842
             2 Genus Amathinoides Sacco, 1896
             3 Genus Cyclothyca Stearns, 1891
             4 Genus Iselica Dall, 1918
             5 Genus Leucotina Adams, 1860
             6 Genus Phasianema Wood, 1842