Bythinellidae

Bythinellidae is a family of small freshwater snails with an operculum, aquatic gastropod molluscs in the order Littorinimorpha.[1]

Bythinellidae
Shell of Bythinella bouldouyrensis (paratype at MNHN, Paris)
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Caenogastropoda
Clade: Hypsogastropoda
Order: Littorinimorpha
Superfamily: Truncatelloidea
Family: Bythinellidae
Locard, 1893
Genera

See text"

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.[2]

Genera

Genera in the family Bythinellidae include:

  • Bythinella Moquin-Tandon, 1856
  • Strandzhia Georgiev & Glöer, 2013
  • Terrestribythinella Sitnikova, Starobogatov & V. Anistratenko, 1992
Genera brought into synonymy
  • Acrophlyctis Cossmann, 1888 †: synonym of Bythinella (Acrophlyctis) Cossmann, 1888 † represented as Bythinella Moquin-Tandon, 1856
  • Bithinella [sic]: synonym of Bythinella Moquin-Tandon, 1856 (incorrect subsequent spelling)
  • Bithynella Moquin-Tandon, 1856: synonym of Bythinella Moquin-Tandon, 1856 (incorrect subsequent spelling)
  • Bythynella: synonym of Bythinella Moquin-Tandon, 1856 (invalid: incorrect subsequent spelling)
  • Microna Frauenfeld, 1863: synonym of Bythinella Moquin-Tandon, 1856
gollark: The main large thing I work on is potatOS, which someone wanted me to rewrite in amulet, but that would be impractical as it's quite large and not really programmed in a very functional style.
gollark: My stuff is mostly designed as "insanely weakly typed with minimal sanity checks", while most of the CC standard libraries/programs go for "have some type checking on function arguments".
gollark: Oh, right. I assumed you meant it would make `type` return that, but I don't think CC has that implemented.
gollark: No, I mean I don't think it does anything.
gollark: Er, metatables having __type.

References
  1. MolluscaBase eds. (2020). MolluscaBase. Bythinellidae Locard, 1893. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=724571 on 2020-06-27
  2. 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.
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