Phylum Mollusca Linnaeus, 1758 - molluscs
   Subphylum Conchifera Gegenbauer, 1878
     Class Gastropoda Cuvier, 1795 - snails and slugs
       Subclass Orthogastropoda Ponder & Lindberg, 1995
         Superorder Neritaemorphi Koken, 1896 see Order Neritimorpha Golikov & Starobogatov, 1975
           Order Neritopsina Cox & Knight, 1960 see Order Neritimorpha Golikov & Starobogatov, 1975
             Superfamily Neritoidea Rafinesque, 1815
               Family Neritidae Rafinesque, 1815 - nerites
                 1 Subfamily Neritinae Rafinesque, 1815
                 2 Subfamily Septariinae Golokov & Starobogatov, 1975
                 3 Subfamily Theodoxinae K. Bandel, 2001 see Tribe Theodoxini Bandel, 2001
                 4 Subfamily Smaragdiinae Baker, 1923