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 Order Archaeopulmonata Morton, 1955 see Suborder Archaepulmonata Superfamily Ellobioidea Pfeiffer, 1854 (1822) Family Otinidae Adams & Adams, 1855 [monotypic] Genus Otina Gray, 1847