Large Mouthed Valve Snail

Valvata macrostoma, also known as the large mouthed valve snail, is a species of small 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 Slovakia Poland Germany - high endangered (Stark gefährdet) Netherlands Great Britain Ecology This freshwater snail lives in marshes and very small canals that have a very rich fauna and calcium-rich water. Myzyk (2004) described life cycle of Valvata macrostoma.

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