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''Balea perversa'' is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Clausiliidae, the door snails. The shell of this species is left-handed in coiling and it looks like a juvenile of a clausiliid. ''Balea perversa'' (as its synonymous name ''Pupa fragilis'') is the type species of the genus ''Balea''. ==Distribution== The distribution of this species is from Western Europe to Crimea: * British Isles:〔 Great Britain and Ireland * Western Europe〔 * Switzerland - lower concern in Switzerland〔 * Portugal〔 * Germany - vulnerable in Germany, endangered in Bavaria 〔 * Austria - vulnerable in Austria〔 * Czech Republic〔 Horsák M., Juřičková L., Beran L., Čejka T. & Dvořák L. (2010). "Komentovaný seznam měkkýšů zjištěných ve volné přírodě České a Slovenské republiky. (list of mollusc species recorded outdoors in the Czech and Slovak Republics )". ''Malacologica Bohemoslovaca'', Suppl. 1: 1-37. (PDF ).〕 * Slovakia〔 * on an islet near Estonia〔Kantor Yu I., Vinarski M. V., Schileyko A. A. & Sysoev A. V. (published online on March 2, 2010). "Catalogue of the continental mollusks of Russia and adjacent territories". (Version 2.3.1. )〕 * Sicilia〔 * Sardinia〔 * Iceland〔 * in Scandinavia only coastal above 62° N〔 It was referred from Crimea,〔 but it was probably ''Mentissa gracilicosta.〔 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「Balea perversa」の詳細全文を読む スポンサード リンク
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