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''Planorbis planorbis'' is a species of air-breathing freshwater snail, an aquatic gastropod mollusk in the family Planorbidae, the ram's horn snails.〔Neubauer, Thomas A. (2014). ''Planorbis'' (''Planorbis'') ''planorbis'' (Linnaeus, 1758). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=822236 on 2014-11-23 〕 ==Distribution== * Cosmopolitan - introduced and being considered invasive to many places and considered as a pest * 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 ).〕 - least concern (LC)〔Juřičková L., Horsák M. & Beran L. (2001). "Check-list of the molluscs (Mollusca) of the Czech Republic". ''Acta Soc. Zool. Bohem.'' 65: 25-40.〕 * Slovakia〔 * Germany - not listed in red list * the Netherlands〔 (Planorbis planorbis — Anemoon )〕 * Poland * Great Britain * Ireland * Hungary 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「Planorbis planorbis」の詳細全文を読む スポンサード リンク
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