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Family of gastropods From Wikipedia, the free encyclopedia
Valvatidae, the valve snails, is a taxonomic family of very small freshwater snails with an operculum, aquatic gastropod mollusks.
| Valvatidae | |
|---|---|
| |
| a live Valvata piscinalis | |
 | |
| Drawing of apertural and umbilical views of a shell of Valvata cristata. | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Superfamily: | Valvatoidea |
| Family: | Valvatidae J. E. Gray, 1840[1] |
| Diversity[2] | |
| 71 freshwater species | |
| Synonyms | |
|
Borystheniinae Starobogatov, 1983 | |
The family Valvatidae has no subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
The type genus of this family is Valvata O.F. Müller, 1774.
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]
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