Kingdom Animalia Linnaeus, 1758 - animals Count: - Phylum Mollusca Linnaeus, 1758 - molluscs Count: - Subphylum Cyrtosoma Runnegar & Pojeta Jr., 1974 see Phylum Mollusca Linnaeus, 1758 Count: [*] * Class Gastropoda Cuvier, 1795 - snails and slugs Count: - Subclass Opisthobranchia Milne-Edwards, 1848 - opisthobranchs see Order Opisthobranchia Milne-Edwards, 1848 Count: - Genus Cavolinia Abildgaard, 1791 Count: -