Mollusca Linnaeus, 1758 - molluscs see Phylum Mollusca Linnaeus, 1758 Gastropoda Cuvier, 1795 see Class Gastropoda Cuvier, 1795 Clade Vetigastropoda Salvini-Plawen, 1980 see Order Vetigastropoda Salvini-Plawen, 1980 Superfamily †Murchisonioidea Koken, 1896 Family †Murchisoniidae Koken, 1896