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 Systellommatophora Pilsbry, 1948 see Suborder Systellommatophora Pilsbry, 1948 Genus Onchidella Gray, 1850