海蜷うみにな Noun English jmdict 1 noun (common) (futsuumeishi) word usually written using kana alone many-formed cerith (Batillaria multiformis)
牙海蜷きばうみにな Noun English jmdict 1 noun (common) (futsuumeishi) word usually written using kana alone mud creeper (Terebralia palustris)