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 Neotaenioglossa Haller, 1882 see Order Sorbeoconcha Ponder & Lindberg, 1997
           Superfamily Cypraeoidea Rafinesque, 1815 [monotypic]
             Family Cypraeidae Rafinesque, 1815 - cowries
               Subfamily Erroneinae Schilder, 1927
                 Tribe Erroneini Schilder, 1927
                   01 Genus Adusta Jousseaume, 1884
                   02 Genus Gratiadusta Iredale, 1930
                   03 Genus Solvadusta Iredale, 1935
                   04 Genus Erronea Troschel, 1863
                   05 Genus Melicerona Iredale, 1930
                   06 Genus Notadusta Schilder, 1935
                   07 Genus Palmadusta Iredale, 1930
                   08 Genus Palangerosa Iredale, 1930
                   09 Genus Purpuradusta Schilder, 1939
                   10 Genus Evenaria Iredale, 1930
                   11 Genus Blasicrura Iredale, 1930
                   12 Genus Talostolida Iredale, 1931
                   13 Genus Bistolida Cossmann, 1920
                   14 Genus Ovatipsa Iredale, 1931
                   15 Genus Cribrarula Strand, 1929
                   16 Genus Nivigena Iredale, 1930