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Bithynia tentaculata.jpg
Bithynia tentaculata
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Caenogastropoda

clade Hypsogastropoda
clade Littorinimorpha

Superfamily: Truncatelloidea
Family: Bithyniidae
Gray, 1857

See text

about 130 freshwater species

Bithyniidae is a family of small freshwater snails with an operculum, aquatic gastropod molluscs in the clade Littorinimorpha. [2]

Their minute shell is often colored. They are characterized by a calcareous operculum, a lobe on the upper surface of the neck. The ctenidium, the respiratory gill-comb, is very broad. They have a ciliary feeding habit. The kidney has a large extension towards the mantle.[3]


Genera in the family Bithyniidae include:

Genera brought into synonymy
  • Bithinia Leach, 1818: synonym of Bithynia Leach, 1818
  • Bulimus Scopoli, 1777: synonym of Bithynia Leach, 1818
  • Bythinia Stein, 1850: synonym of Bithynia Leach, 1818
  • Digyrcidum Locard, 1882: synonym of Bithynia Leach, 1818
  • Gabbia Tryon, 1865: synonym of Bithynia (Gabbia) Tryon, 1865 represented as Bithynia Leach, 1818
  • Paraelona Beriozkina & Starobogatov, 1994: synonym of Bithynia Leach, 1818


  1. ^ 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.
  2. ^ Bouchet, P.; Gofas, S. (2015). Bithyniidae Gray, 1857. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at on 2016-02-28
  3. ^ Lilly, M.M. (1953). "The mode of life and the structure and functioning of the reproductive ducts of Bithynia tentaculata (L.)". Proceedings of the Malacological Society of London. 30 (4-5): 87–110. 
  4. ^ a b Glöer P. (2002). Die Süßwassergastropoden Nord- und Mitteleuropas. Die Tierwelt Deutschlands, ConchBooks, Hackenheim, 326 pp., ISBN 3-925919-60-0. Reference for subgenera of genus Bithynia.
  5. ^ (Russian) Lazutkina E. A., Andreyeva S. I. & Andreyev N. I. (2010). " [Boreoelona sibirica (Westerlund, 1886) (Gastropoda, Pectinibranchia, Bithynidae) in the waterbodies of Western Siberia and Middle Urals]". Ruthenica 20(2): 103-108. PDF
  6. ^ Glöer P. & Pešić V. (2006). "On the identity of Bithynia graeca Westerlund, 1879 with the description of three new Pseudobithynia n. gen. species from Iran and Greece (Gastropoda: Bithyniidae)". Malakologische Abhandlungen 24: 29-36. Dresden. PDF.

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