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.

[1] This species occurs in the following countries and islands: This freshwater snail lives in marshes and very small canals that have a very rich fauna and calcium-rich water.

[5] Myzyk (2004)[6] described life cycle of Valvata macrostoma.

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