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Zoological Research
Kunming Institute of Zoology, Chinese Academy of Sciences
ISSN: 2095-8137
Vol. 35, No. 6, 2014, pp. 510-527
Bioline Code: zr14061
Full paper language: English
Document type: Research Article
Document available free of charge

Zoological Research, Vol. 35, No. 6, 2014, pp. 510-527

 en Morphological analysis of the Chinese Cipangopaludina check for this species in other resources species (Gastropoda; Caenogastropoda: Viviparidae)
LU, Hong-Fa; DU, Li-Na; LI, Zhi-Qiang; CHEN, Xiao-Yong & YANG, Jun-Xing

Abstract

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 check for this species in other resources 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 check for this species in other resources is synonym of C. lecythis check for this species in other resources , and C. wingatei check for this species in other resources is synonym of C. chinensis check for this species in other resources , while C. ampullacea and C. fluminalis check for this species in other resources are subspecies of C. lecythis and C. chinensis, respectively. C. dianchiensis should be paled in the genus Margarya check for this species in other resources , while C. menglaensis and C. yunnanensis belong to genus Mekongia check for this species in other resources . 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.

Keywords
Cipangopaludina; Gastropoda; Bellamyinae; Anatomy; Taxonomy; Chinese

 
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