Type materials of the species of the Planorbidae (Mollusca,Gastropoda, Hygrophila) described by Shuichi Mori |
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| Authors: | Takumi Saito Satoshi Chiba Hiroshi Fukuda |
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| Institution: | 1. Graduate School of Life Science, Tohoku University, Kawauchi, Sendai, Japansaito.zef@gmail.com https://orcid.org/0000-0003-1400-4523;3. Center for Northeast Asian Studies, Tohoku University, Kawauchi, Sendai, Japan;4. Conservation of Aquatic Biodiversity, Faculty of Agriculture, Okayama University, Tsushima-naka, Okayama, Japan |
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| Abstract: | ABSTRACTThe planorbid species that were described by Shuichi (Syuiti) Mori from Japan have long been enigmatic and their taxonomy has been highly confused. This situation is also an impediment to action for the conservation of Japanese planorbids which are one of the most threatened freshwater snail groups in the country. Based on our examination of Shuichi Mori’s collection stored in the Kyoto University Museum, type materials of the taxa described by him are re-illustrated and re-examined for the first time. Our examination suggested that Gyraulus amplificatus (Mori, 1938) is not a morphological form of Gyraulus biwaensis but a distinct species. Gyraulus pulcher (Mori, 1938) can be regarded as a junior synonym of Gyraulus chinensis. |
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https://orcid.org/0000-0003-1400-4523;3. Center for Northeast Asian Studies, Tohoku University, Kawauchi, Sendai, Japan;4. Conservation of Aquatic Biodiversity, Faculty of Agriculture, Okayama University, Tsushima-naka, Okayama, Japan