Valvata

Valvata is a genus of very small freshwater snails with an operculum, aquatic gastropod mollusks in the family Valvatidae, the valve snails.

[2] Species in the genus: Valvata O.F.

Müller, 1773 include:[3] (All the European species are included in this list.)

Two views of the type specimen of Valvata oregonensis . Width: 8.0 mm, height: 5.0 mm.