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''Vallonia excentrica'', common name the eccentric vallonia, is a species of very small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Valloniidae. 〔 Marshall, B. (2014). Vallonia excentrica Sterki, 1893. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=819970 on 2014-11-06 〕 ==Distribution== This species occurs in countries and islands that include: Europe: * Great Britain * Ireland * Czech Republic * Ukraine〔Balashov I. & Gural-Sverlova N. 2012. An annotated checklist of the terrestrial molluscs of Ukraine. ''Journal of Conchology''. 41 (1): 91-109.〕 * and other areas Africa * Saint Helena〔Ashmole P. & Ashmole M. 2000. St Helena and Ascension Island: a natural history. Anthony Helson, Oswestry.〕 America: * British Columbia〔Robert G. Forsyth. ''Terrestrial Gastropods of the Columbia Basin, British Columbia (Family Valloniidae ). Accessed 25 April 2009.〕 in Canada 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「Vallonia excentrica」の詳細全文を読む スポンサード リンク
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