Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Mollusca Linnaeus, 1758 - molluscs
     Subphylum Cyrtosoma Runnegar & Pojeta Jr., 1974 see Phylum Mollusca Linnaeus, 1758
       Class Gastropoda Cuvier, 1795 - snails and slugs
         Subclass Pulmonata Cuvier, 1814 - land snails and slugs see Order Pulmonata Cuvier, 1814
           Order Basommatophora Keferstein, 1865 see Suborder Basommatophora Keferstein, in Bronn, 1864
             Genus Galba Schrank, 1803
             Genus Melampus Montfort, 1810
             Genus Physa Draparnaud, 1801
             Genus Planorbis Müller, 1774
             Genus Siphonaria Sowerby, 1823