Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Mollusca Linnaeus, 1758 - molluscs
     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 Bulinus Müller, 1781
           Genus Carychium Müller, 1774
           Genus Chilina Gray, 1828
           Genus Lanx Clessin, 1880
           Genus Physa Draparnaud, 1801
           Genus Planorbis Müller, 1774
           Genus Siphonaria Sowerby, 1823
           Genus Trimusculus Schmidt, 1818