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Morphological analysis of the Chinese Cipangopaludina species(Gastropoda; Caenogastropoda: Viviparidae)

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【作者】 Hong-Fa LULi-Na DUZhi-Qiang LIXiao-Yong CHENJun-Xing YANG

【Author】 Hong-Fa LU;Li-Na DU;Zhi-Qiang LI;Xiao-Yong CHEN;Jun-Xing YANG;Zhejiang Normal University,Xiaoshan Campus;Kunming Natural History Museum of Zoology, Kunming Institute of Zoology, Chinese Academy of Sciences;State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences;

【机构】 Zhejiang Normal University,Xiaoshan CampusKunming Natural History Museum of Zoology, Kunming Institute of Zoology, Chinese Academy of SciencesState Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences

【摘要】 Viviparidae are widely distributed around the globe, but there are considerable gaps in the taxonomic record. To date, 18 species of the viviparid genus Cipangopaludina have been recorded in China, but there is substantial disagreement on the validity of this taxonomy. In this study, we described the shell and internal traits of these species to better discuss the validity of related species. We found that C. ampulliformis is synonym of C. lecythis, and C. wingatei is synonym of C. chinensis, while C. ampullacea and C. fluminalis are subspecies of C. lecythis and C. chinensis, respectively. C. dianchiensis should be paled in the genus Margarya, while C. menglaensis and C. yunnanensis belong to genus Mekongia. Totally, this leaves 11 species and 2 subspecies recorded in China. Based on whether these specimens’ spiral whorl depth was longer than aperture depth, these species or subspecies can be further divided into two groups, viz. chinensis group and cathayensis group, which can be determined from one another via the ratio of spiral depth and aperture depth, vas deferens and number of secondary branches of vas deferens. Additionally, Principal Component Analysis indicated that body whorl depth, shell width, aperture width and aperture length were main variables during species of Cipangopaludina. A key to all valid Chinese Cipangopaludina species were given.

【基金】 funded by the National Natural Science Foundation of China(31301865);the Natural Science Foundation of Zhejiang Province of China(LY12C19006);the Collection and Preparation of Display Specimens at Kunming Natural History Museum of Zoology(KSZD–EW–TZ–005)
【所属期刊栏目】 Special Topic for Primates and Animal Models of Human Diseases_Articles (2014年06期)
  • 【DOI】10.13918/j.issn.2095-8137.2014.6.510
  • 【分类号】Q954
  • 【下载频次】9
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