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 Trochoidea Rafinesque, 1815 Family Trochidae Rafinesque, 1815 - top snails Subfamily Lirulariinae Hickman & McLean, 1990