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''Neoplanorbis'' is a genus of small, freshwater, air-breathing snails. They are aquatic pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails. ''Neoplanorbis'' is the type genus of the subfamily Neoplanorbinae. The shells of species in this genus appear to be dextral in coiling, but as is the case in all planorbids, the shell is actually sinistral. The shell is carried upside down with the aperture on the right, and this makes it appear to be dextral. == Species == The genus ''Neoplanorbis'' includes the following species: * † ''Neoplanorbis carinatus'' Walker, 1908〔Bogan A. E. (2000) (''Neoplanorbis carinatus'' ). (2006 IUCN Red List of Threatened Species. ) Downloaded on 7 August 2007.〕 * † ''Neoplanorbis smithi'' Walker, 1908〔Bogan A. E. (2000). (''Neoplanorbis smithi'' ). (2006 IUCN Red List of Threatened Species. ) Downloaded on 7 August 2007.〕 * † ''Neoplanorbis tantillus'' Pilsbry, 1906〔Cordeiro, J. & Perez, K. 2012. Neoplanorbis tantillus. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. * † ''Neoplanorbis umbilicatus'' Walker, 1908〔Bogan A. E. (2000) (''Neoplanorbis umbilicatus'' ). (2006 IUCN Red List of Threatened Species. ) Downloaded on 7 August 2007.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Neoplanorbis」の詳細全文を読む スポンサード リンク
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