Valvatidae
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  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Superfamily: | Valvatoidea |
| Family: | Valvatidae J. E. Gray, 1840[1] |
| Diversity[2] | |
| 71 freshwater species | |
| Synonyms | |
|
Borystheniinae Starobogatov, 1983 | |
Taxonomy
The family Valvatidae has no subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
Genera
The type genus of this family is Valvata O.F. Müller, 1774.
Genera in the family Valvatidae include:
- Andrussovia Brusina, 1903
- Borysthenia Lindholm, 1933
- Costovalvata Polinski, 1932
- Liratina Lindholm, 1906[citation needed]
- Megalovalvata Lindholm, 1906
- Valvata Müller, 1774
- Cincinna Hübner, 1810 - It is recognized either as genus[3] of a subgenus of Valvata.
Ecology
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]
