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animal
>
Root dry bone screw
根干骨螺
拉丁文学名:hexaplex trunculus (linnaeus )
英文名称:trunk murex
贝类动物、腹足纲、骨螺超科、骨螺科
分布:地中海
数量:多见
尺寸:6厘米
贝壳厚,坚实,体层大,螺塔尖。纵胀肋数量多,但平铺在螺壁上,每一条纵胀肋上有数个圆结节,通常还有一根钝棘。体层下半部有粗糙的螺肋。脐孔深,四周围着旧前水管沟部分的管状物,螺轴平化。壳表黄白色,有褐色螺带,螺带有时合并在一起;螺轴白色。