| 嘉陵江鲿科鱼类骨学研究（Ⅲ）─—头骨的比较 |
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| 引用本文： | 张耀光,王德寿,蒲德永.嘉陵江鲿科鱼类骨学研究（Ⅲ）─—头骨的比较[J].西南师范大学学报(自然科学版),1995(3). |
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| 作者姓名： | 张耀光 王德寿 蒲德永 |
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| 作者单位： | 西南师范大学生命科学系 |
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| 基金项目： | 重庆市科委中青年专家基金 |
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| 摘 要： | 对从嘉陵江合川至北碚段收集的４属１１种科鱼类脊头骨作了系统的比较研究。结果表明，属、黄颡鱼属、拟属和属在下颞骨的有无，嗅神经孔和舌颌骨与颅骨关节面的构成，泪骨的形态，上枕骨嵴的长短及其与背鳍第一辐鳍骨的关系，颅骨的比例性状等方面具有一分明显的属间差异，头骨形态亦可作为种间分类的重要依据之一。
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| 关 键 词： | 头骨形态 比较研究 科 鲇形目 嘉陵江／合川－北碚 |
STUDIES ON THE OSTEOLOGY OF THE BAGRID CATFISHES FROM THE JIALING RIVER:COMPARISON OF THE SKULLS |
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| Zhang Yaoguang ,Wang Deshou,Pu Deyong.STUDIES ON THE OSTEOLOGY OF THE BAGRID CATFISHES FROM THE JIALING RIVER:COMPARISON OF THE SKULLS[J].Journal of Southwest China Normal University(Natural Science),1995(3). |
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| Authors: | Zhang Yaoguang Wang Deshou Pu Deyong |
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| Abstract: | From1990 tO1993.we carried out a systematic comparative study of the Skulls of 11 species of4 genera of bagrid catfishes collected from the Hechuan-Beibei section of the Jialing River.The resultsreveal that obvious differences were exist among the 4 genera Leiocassis, Pelleobagrus,Pseudobagrus ,andMystus in the following aspects:(1)the skull with or without the subtemporals,(2) constitution of theforamen nervus olfactorium and the articular surface between the neurocranium and the hyomandibu-lar,(3)shape of the lacrymal,(4)length of the supraoccipital spine and its relationship with the 1stactinost of the dorsal fi and,(5 ) morphometries of the skull etc..Skull pattern can also be used asone of the important characters to identify species. |
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| Keywords: | skull morphology comparative study Bagridae Silurifermes Hechuan -beibei section of Jialing River |
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