Phylum Mollusca Linnaeus, 1758 - molluscs Class Gastropoda Cuvier, 1795 - snails and slugs Subclass Gymnomorpha Salvini-Plawen, 1970 see Subclass Pulmonata Cuvier, 1814 1 Order Onchidiida Solem, 1959 [monotypic] 2 Order Soleolifera Colosi, 1921 see Superfamily Veronicellacea J.E. Gray, 1840 3 Order Rhodopida Fischer, 1883 [monotypic] see Order Systellommatophora Pilsbry, 1948