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首页> 外文期刊>Journal of Molluscan Studies >THE GENUS FLUVIOPUPA PILSBRY, 1911 FROM FIJI (CAENOGASTROPODA, RISSOOIDEA)
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THE GENUS FLUVIOPUPA PILSBRY, 1911 FROM FIJI (CAENOGASTROPODA, RISSOOIDEA)

机译：斐济属（FLUVIOPUPA）IL虫，摄于1911年，斐济（CAENOGASTROPODA，RISSOOIDEA）

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摘要

In the absence of a proper definition based on comprehensive anatomical investigations, the genus Fluviopupa Pilsbry, 1911 has been used for hydrobioid gastropods from several continental regions and oceanic islands in the southwest and south Pacific.The type species F. pupoidea Pilsbry, 1911 was the only hydrobioid gastropod known from Fiji to date. In this paper we provide descriptions of shell, operculum, radula and anatomy of 10 species of Fluviopupa from Fiji including the type species. This and seven other species occur on Viti Levu. The remaining two species were found on Vanua Levu. The high diversity is not surprising considering similar distribution and diversity patterns of spring and stream-dwelling hydrobioid gastropods in other partsof the world. Based on geology, geography and comparative anatomy, we hypothesize that the ancestor of the Fijian taxa was likely a freshwater species sharing a common ancestor with extant taxa in either New Caledonia or New Zealand. The islands of Vanuatu may have served as stepping stones.
机译：在缺乏基于全面解剖学研究的恰当定义的情况下，1911年的Fluviopupa Pilsbry属被用于西南和南太平洋几个大陆地区和海洋岛屿的水生生物腹足纲动物.1911年的F. pupoidea Pilsbry种是斐济迄今仅已知的水生生物腹足动物。在本文中，我们提供了来自斐济的10种Fluviopupa的壳，盖，小弓和解剖结构的描述，包括类型物种。维提岛上有这个物种和其他七个物种。在瓦努阿河上发现了其余两个物种。考虑到世界其他地区春季和溪流栖水型腹足动物的相似分布和多样性模式，高多样性不足为奇。根据地质学，地理学和比较解剖学，我们假设斐济类群的祖先可能是新喀里多尼亚或新西兰与现存类群有共同祖先的淡水物种。瓦努阿图的岛屿可能已成为垫脚石。

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