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Dugesiidae is a family of freshwater Tricladida distributed worldwide (except Antarctica). According to molecular analyses, Dugesiidae is the sister group of land planarians. The type genus is ''Dugesia'' Girard, 1850.〔Ball, I. R.: A contribution to the phylogeny and biogeography of the freshwater triclads (Platyhelminthes: Turbellaria). Biology of the Turbellaria (Edited by: Riser NW and Morse MP). New York: McGraw-Hill New York 1974, 339-401.〕 ==Phylogeny== Phylogenetic supertree including all major triclad groups after Sluys et al., 2009:〔 |label2=Geoplanoidea |2= }} }} }} }} Phylogenetic tree including five dugesiid genera after Álvarez-Presas et al., 2008:〔 }} }} }} 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「Dugesiidae」の詳細全文を読む スポンサード リンク
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