Gastropoda Cuvier, 1795 see Class Gastropoda Cuvier, 1795 Cephalaspidea Fischer, 1883 see Order Cephalaspidea Fischer, 1883 Runcinoidea Adams & Adams, 1854 Family Runcinidae Adams & Adams, 1854 Genus Runcina Forbes, 1851 Runcina ferruginea Kress, 1977