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''Valvata macrostoma'' is a species of minute freshwater snail with an operculum, an aquatic gastropod mollusk in the family Valvatidae, the valve snails. ==Distribution== This species occurs in the following countries and islands: * Czech Republic - in Bohemia only〔 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〔 * Poland * Germany - high endangered (''Stark gefährdet'')〔 Glöer P. & Meier-Brook C. (2003). ''Süsswassermollusken''. DJN, pp. 134, page 106, ISBN 3-923376-02-2〕 * Netherlands * Great Britain 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「Valvata macrostoma」の詳細全文を読む スポンサード リンク
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