any of various chiefly tropical marine gastropod mollusks of the family Cymatiidae,having a pointed,spirally twisted,often colorfully marked shell

• 棱尾螺，一种嵌线螺科的大多产于热带的腹足类海洋软体动物，有螺旋形的、顶部很尖的、色彩斑澜的壳