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中国沿海九种头足类齿舌的形态学
引用本文:郑小东.中国沿海九种头足类齿舌的形态学[J].水产学报,2002,26(5):417-421.
作者姓名:郑小东
作者单位:青岛海洋大学教育部海水养殖重点实验室,山东,青岛,266003
基金项目:国家海洋863项目资助(863-819-01-01)
摘    要:采用扫描电镜技术对9种头足类的齿舌进行了显微观察和比较研究。结果显示所研究的物种的齿舌均有7列纵向的齿组成,齿式为3·1·3。乌贼目的7个种(罗氏乌贼Sepiarobsoni、金乌贼S.esculenta、虎斑乌贼S..pharaonis、白斑乌贼S.latimanus、目乌贼S.aculeata、曼氏无针乌贼Sepiellamaindroni、柏氏四盘耳乌贼Euprymnaberryi)中央齿一列,具有一个齿尖;侧齿位于中央齿两侧各3列,分别称为第一、第二和第三侧齿,也称为侧齿,内缘齿和外缘齿;无缘板结构。长蛸Octopusvariabilis和短蛸O.ocellatus中央齿一列,分别有5个、3和5个齿尖,侧齿各3列,具有缘板。文中对九个种的齿舌结构以及彼此的异同进行了详细的描述和比较,并对乌贼类、蛸类和枪乌贼类彼此之间的齿舌关系以及功能差异进行了讨论。

关 键 词:头足类  乌贼  齿舌  形态学  扫描电镜
收稿时间:4/1/2014 12:00:00 AM
修稿时间:4/1/2014 12:00:00 AM

Morphological study on radula of nine cephalopods in the coastal waters of China
ZHENG Xiao dong.Morphological study on radula of nine cephalopods in the coastal waters of China[J].Journal of Fisheries of China,2002,26(5):417-421.
Authors:ZHENG Xiao dong
Abstract:The radula of nine cephalopods are compared on the basis of scanning electron microscopic observation and morphological measurements. Results indicate that all of them consist of 7 longitudinal rows of teeth: a median tooth and the 1st, 2nd, and 3rd lateral or lateral, inner marginal, and outer marginal teeth. The formula of radula is 3@1@ 3. Sepioidea ( Sepia robsoni, S. esculenta, S. pharaonis, S. latimanus, S. aculeata, Sepiella maindroni, Euprymna berryi ) has only one cusp in the median tooth, and a marginal plate is absent. The median tooth has 3 and/or 5 cusps and marginal plates are found in the two species of Octopus ocellatus and O. variabilis. Other differences in the radula structure among the nine species are illustrated in detail. The relationships of radula of the cuttlefishes, octopuses and squids are discussed. It is suggested that radula should be thought in the cuttlefish taxonomy.
Keywords:cephalopods  cuttlefish  radula  morphology  scanning electron microscope(SEM)  
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