Borystheniinae Starobogatov, 1983 Valvatidae, the valve snails, is a taxonomic family of very small freshwater snails with an operculum, aquatic gastropod mollusks.

The family Valvatidae has no subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

Genera in the family Valvatidae include: Snails in the family Valvatidae are useful for measuring water quality as biological indicators.

According to the Biological monitoring working party they have a score of 3, which means that they have quite a high tolerance to pollutants.

[citation needed] Haszprunar G (2014) A nomenclator of extant and fossil taxa of the Valvatidae (Gastropoda, Ectobranchia).