Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Divasibranchia Minichev & Starobogatov, 1975
       Order Stylommatophora Schmidt, 1855 see Infraorder Stylommatophora Schmidt, 1855
         (Helicid Sigmurethra)
           Superfamily Vitrinoidea Fitzinger, 1833 see Superfamily Limacoidea Batsch, 1789
             Family Milacidae Ellis, 1926
               Genus Milax Gray, 1855
                 1 Subgenus Macrothylacus Wagner, 1930
                 2 Subgenus Micromilax Hesse, 1926
                 3 Subgenus Promilax Wagner, 1930
                 4 Subgenus Subamalia Pollonera, 1887