Anisus

Anisus
Shells of Anisus vorticulus
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Superorder: Hygrophila
Family: Planorbidae
Subfamily: Planorbinae
Tribe: Planorbini
Genus: Anisus
H. Studer, 1820
Synonyms
  • Anisus (Anisus) S. Studer, 1820· accepted, alternate representation
  • Anisus (Costorbis) Lindholm, 1926· accepted, alternate representation
  • Anisus (Disculifer) C. R. Boettger, 1944· accepted, alternate representation
  • Anisus (Odontogyrorbis) Lörenthey, 1906 (junior synonym)
  • Anisus (Pseudocarinogyraulus) Popova & Starobogatov, 1970· accepted, alternate representation
  • Anisus (Spiralina) Martens, 1899 (junior homonym of Spiralina Chaster, 1898; junior synonym)
  • Diplodiscus Westerlund, 1897 (junior subjective synonym; also a junior homonym of Diplodiscus Diesing, 1835)
  • Odontogyrorbis Lörenthey, 1906
  • Paraspira Dall, 1905
  • Paraspira (Odontogyrorbis) Lörenthey, 1906 (junior synonym)
  • Paraspira (Paraspira) Dall, 1905
  • Planorbis (Anisus) Studer, 1820 (combination not accepted)
  • Planorbis (Costorbis) Lindholm, 1926 (original rank)
  • Planorbis (Odontogyrorbis) Lörenthey, 1906 (junior synonym)
  • Planorbis (Spiralina) von Martens, 1899 (Invalid: junior homonym of Spiralina Chaster, 1898)
  • Planorbis (Spirorbis) Swainson, 1840 (Invalid: junior homonym of Spirorbis Daudin, 1800 [Polychaeta]; junior synonym)
  • Spiralina Martens, 1899 (junior homonym of Spiralina Chaster, 1898; junior synonym)

Anisus is a genus of small air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the subfamily Planorbinae of the family Planorbidae, the ramshorn snails and their allies.