"Valvata grubiiW. Dybowski, 1875" . . . "Megalovalvata baicalensis"@en . . "Paludina baicalensis Gerstfeldt, 1859" . . . "Megalovalvata baicalensis is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Valvatidae, the valve snails."@en . "not evaluated" . . .