[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Animalia Linnaeus, 1758 - animals
     Branch Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
       Division Bilateria Hatschek, 1888 see Subkingdom Bilateria Hatschek, 1888
         Subdivision Protostomia Grobben, 1908 see Infrakingdom Protostomia Grobben, 1908
           Section Eucoelomata see Superphylum Eucoelomata
             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 Stylommatophora Schmidt, 1855 see Infraorder Stylommatophora Schmidt, 1855
                     Genus Achatina Lamarck, 1799
                     Genus Ariolimax Mörch, 1859
                     Genus Arion Férussac, 1819
                     Genus Deroceras Rafinesque, 1820
                     Genus Gonaxis Taylor, 1877
                     Genus Helix Linnaeus, 1758
                     Genus Limax Linnaeus, 1758
                     Genus Testacella Lamarck, 1801
                     Genus Zonites Montfort, 1810