别名车蛤、土匙、沙蛤，为瓣鳃纲， 帘蛤目，蛤蜊科。西施舌原是一种较大的原海产贝类，栖于沿海十米左右的浅水沙中。
学名：Mactra antiquata
英文名：Xi Shishe
This species belongs to the family of Mactridae, order of Veneroida. It’s a large marine shellfish originally, and inhabits in the depth of ten meters or shallow water sand.