chitonn. 寬大長袍、石鱉學術名詞石鼈:動物學石龞:海洋科學石鱉屬〔軟體動物〕:海洋地質學石鱉:地質學英文釋義a woolen tunic worn by men and women in ancient Greeceprimitive elongated bilaterally symmetrical marine mollusk having a mantle covered with eight calcareous plates