Megalovalvata baicalensis

Megalovalvata baicalensis is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Valvatidae, the valve snails.

Distribution
This species occurs in lake Baikal in depths from 3 to 50 m, and in the Angara River in Russia.

The type locality is Lake Baikal ("Baikalsee").

Habitat
This snail lives in freshwater habitats.