广东北江鲃亚科鱼类咽骨咽齿的比较研究(补遗)  

The Comparative Studies of Pharyngeal Bones and Their Teeth of Barbinae in the Bejiang River of Kongtung(Supplement)

作　　者：李仲辉[1] 

机构地区：[1]河南师范大学生物系

出　　处：《河南师范大学学报（自然科学版）》1993年第2期70-73,共4页Journal of Henan Normal University(Natural Science Edition)

基　　金：国家自然科学基金

摘　　要：本文报导自1981年以后采自北江水系的鲃亚科鱼类,计有4属4种,对其咽骨咽齿的形态作补充记述。This paper describes the morphology of pharyngcal bones and their teeth in ten genera twenty one species and subspecies of Barbinae in the Bejiang River. The form and structure of pharyngeal bones of Barbinae are vary quite considerably in different genera,the length being 2--6 times the width, the standard body length being 10-23 times the bone length.The anterior limbs are equal or shorter than the size of the posterior.The anterior angle is stout,and the posterior obscure,the anterior.edentulous process.is shorter than or equal to.the posterior.Pharyngeal teeth have 2—3 rows,always symmetrical in number,the inner row having 5 teeth,the middle row 2--4 teeth,theourter row 2 teeth.The lst of the inner row is small.The side of the teeth is smooth and there are no serrations.

关 键 词：BA亚科 鱼类 咽骨咽齿 

分 类 号：Q959.4[生物学—动物学]