Valvata macrostoma, also known as the large mouthed valve snail, 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:

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.