Any of various marine gastropod mollusks, chiefly of the genus Urosalpinx, that bore holes into the shells of bivalve mollusks.U. cinera is destructive to oysters.

• 海洋腹足动物海洋腹足纲软体动物，主要指在双壳类软体动物的贝壳上钻孔的骨螺属。