Valvatidae

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
(unranked):
clade Heterobranchia
informal group Lower Heterobranchia
Superfamily:
Valvatoidea
Family:
Valvatidae

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
  • 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.

References
  1. Gray J. E. (1840). A manual of the land and fresh-water shells of the British Islands by W. Tyrton. page 79.
  2. Strong E. E., Gargominy O., Ponder W. F. & Bouchet P. (2008). "Global Diversity of Gastropods (Gastropoda; Mollusca) in Freshwater". Hydrobiologia 595: 149-166. hdl:10088/7390 doi:10.1007/s10750-007-9012-6.
  3. (in Russian) Anistratenko O., Degtyarenko E., Anistratenko V. (2010). "Сравнительная морфология раковины и радулы брюхоногих моллюсков семейства Valvatidae из Северного Причерноморья. [Shell and radula comparative morphology of the Gastropod Molluscs family Valvatidae from the North Black Sea coast]". Ruthenica 20(2): 91-101. PDF

Haszprunar G (2014) A nomenclator of extant and fossil taxa of the Valvatidae (Gastropoda, Ectobranchia). ZooKeys 377: 1-172. https://www.pensoft.net/J_FILES/1/articles/6032/6032-G-3-layout.pdf

Further reading
  • Hannibal H. (1910). Valvatidae of the Western North America. The Nautilus, page 104-107.
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