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| 四川椎实螺属一新种(肺螺亚纲:基眼目,椎实螺科) |
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金志良1, 刘月英2
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1.乐山师范专科学校生物系，四川乐山614004;2.中国科学院动物研究所，北京100080
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| 摘要: |
| 作者1987年于四川省乐山市大渡河尾段发现椎实螺属一新种,现命名为乐山椎实螺(Lymnaea leshanensis sp.nov.)。该种与日本琵琶湖产的 Lymnaea onychia 相似,但贝壳的形态、齿式、齿形、两性生殖系统的诸器官、外套膜的色带、个体大小、生活环境和动物区系均有所不同。前者属东洋区系,后者属古北区系。 |
| 关键词: 椎实螺科,椎实螺属,新种,生殖系统,齿舌 |
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| 基金项目:乐山师范专科学校科研基金资助 |
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| A NEW SPECIES OF THE LYMNAEA FROM SICHUAN(PULMCNATA: BASOMMATOPHORA, LYMNAEIDAE) |
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Jin Zhiliang1, Liu Yueying2
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1.Department of Biology, Leshan Teachers College, Leshan 614004;2.Institute of Zoology, Chinese Academy of Sciences, Beijing 100080
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| Abstract: |
| This paper deals with a new species of Lymnaea. Specimens were collected by the authors from the tail of the Dadu River, Leshan City, Sichuan Province, on 9 Feb 1987. The snail was named Lymnaea leshanensis sp. nov. Holotypes and paratypes are deposited in the Morphological and Anatomical Laboratory of Molluscs, Leshan Teachers College. |
| Key words: Lymnaeidae, Lymnaea, new species, reproductive system, radula |
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