Phylum Mollusca Linnaeus, 1758 - molluscs Class Gastropoda Cuvier, 1795 - snails and slugs Subclass Pulmonata Cuvier, 1814 [monotypic] - land snails and slugs see Order Pulmonata Cuvier, 1814 1 Order Archaeopulmonata Morton, 1955 see Suborder Archaepulmonata