Phylum Mollusca Linnaeus, 1758 - molluscs Class Gastropoda Cuvier, 1795 - snails and slugs Subclass Opisthobranchia Milne-Edwards, 1848 - opisthobranchs see Order Opisthobranchia Milne-Edwards, 1848 Order Anaspidea Fischer, 1883 - sea hares Superfamily Aplysioidea Lamarck, 1809 Family Dolabriferidae Pilsbry, 1895 see Subfamily Dolabriferinae Pilsbry, 1895 Genus Dolabrifera Gray, 1847