当前位置: 首页 > 文章 > 乐清湾泥蚶形态特征的研究 浙江海洋学院学报(自然科学版) 2002,21 (4) 331-333+343
Position: Home > Articles > A Study on External Appearance of Tegillarca granosa(Linnaeus) in the Bay of Yueqing Journal of Zhejiang Ocean University(Natural Science) 2002,21 (4) 331-333+343

乐清湾泥蚶形态特征的研究

作  者:
吴洪喜;柴雪良
单  位:
浙江省海洋水产养殖研究所
关键词:
乐清湾;泥蚶;形态特征
摘  要:
乐清湾泥蚶两壳相等,贝壳坚硬,表面布满生长轮,外壳呈卵圆形;壳高与壳长和壳宽与壳长的比值均随贝壳的生长而增加,当壳长达20mm后,分别保持在0.8和0.75;放射肋18~21条,但以19条居多,肋上具有明显的结节;铰合齿直线排列,列齿型,形状基本相似,但位于两端的大,中央的小,且数目不等,一般为31~42枚;闭壳肌痕前后各有1个,前者小,呈三角形,后者大,呈四方形。
译  名:
A Study on External Appearance of Tegillarca granosa(Linnaeus) in the Bay of Yueqing
作  者:
WU Hong -xi,CHAI Xue -liang(Zhejiang Mariculture Research Institute,Wenzhou325005,China)
关键词:
the bay of Yueqing;Tegillarca granosa(Linnaeus );external appearance
摘  要:
Tegillarca granosa(Linnaeus )in the bay of Yueqing has two oval equal -sized and hard shell with dense growth line on it.The specific values of shell height to shell length and shell width to shell length increase with the growth of their bodies.when the length of the shell reaches20mm the values are at 0.8and0.75respectively;The radial rib number of Tegillarca granosa is18~21with obvious knots on it,but most of them is19.Hinges puts in order in a line like teeth and the shapes of them are almost the same ,but the sizes are different.The ones in the middle are smaller than those at the end.The total number of them is quite different each other.In most cases there are31~42on each shell.There are two adductor muscle scars at the front and the end of the shell,the front one is comparatively smaller with a triangle shape than the back one with a shape of quadrilateral.

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