Bithyniidae

Bithyniidae is a family of small freshwater snails with an operculum, aquatic gastropod molluscs in the order [Littorinimorpha">Order (biology)">order [Littorinimorpha.
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.

Genera

Genera in the family Bithyniidae include:Alocinna Annandale & Prashad, 1919Bithynia Leach, 1818 - type genus

* Subgenus Bithynia Leach, 1818
* Subgenus Codiella Locard, 1894
† Celekenia Andrusov, 1902Boreoelona Starobogatov & Streletzkaja, 1967Congodoma Mandahl-Barth, 1968
† Daciella Wenz, 1942 Digoniostoma Annandale, 1920Emmericiopsis Thiele, 1928
† Euchilus Sandberger, 1870
† Ferebithynia Kókay, 2006 Funduella Mandahl-Barth, 1968Gabbiella Mandahl-Barth, 1968Hydrobioides Nevill, 1884Incertihydrobia Verdcourt, 1958Jubaia Mandahl-Barth, 1968Limnitesta Mandahl-Barth, 1974Myosorella Annandale, 1919Neosataria Kulkarni & Khot, 2015Neumayria de Stefani, 1877Parabithynia Pilsbry, 1928Parafossarulus Annandale, 1924Pseudobithynia Glöer & Pešić, 2006Pseudovivipara Annandale, 1918Sierraia Conolly, 1929
† Tylopoma Brusina, 1882Wattebledia Crosse, 1886

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