Anisus
Anisus is a genus of small air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ramshorn snails and their allies.Species
The genus contains the following species:
;Subgenus Anisus
- Anisus calculiformis
- † Anisus komarovae Prysjazhnjuk, 1974
- † Anisus krambergeri
- † Anisus laskarevi Milošević, 1976
- Anisus leucostoma
- † Anisus septemgyratiformis
- Anisus septemgyratus
- Anisus spirorbis - the type species of the genus
- Anisus strauchianus
;Subgenus Anisus Lindholm, 1926
- † Anisus densecostatus Schütt, 1994
;Subgenus Disculifer C. Boettger 1944
- † Anisus omalus
- Anisus vorticulus
;Subgenus ?
- † Anisus angulatus
- † Anisus balizacensis
- † Anisus brunnensis
- † Anisus confusus Soós, 1934
- † Anisus depressissimus
- † Anisus dupuyianus
- † Anisus falsani
- † Anisus guerichi
- † Anisus hilgendorfi
- Anisus issykulensis
- † Anisus mariae
- † Anisus matheroni
- † Anisus metochiensis Milošević, 1976
- Anisus natalensis
- † Anisus rousianus
- Anisus vortex
;Subspecies and species brought into synonymy:
- Subgenus Anisus Agassiz in Charpentier, 1837: synonym of Gyraulus Charpentier, 1837
- Anisus terekholicus Prozorova & Starobogato, 1997: synonym of Gyraulus terekholicus
- Subgenus † Anisus Lörenthey, 1906: synonym of Anisus Studer, 1820
- Subgenus Anisus Martens, 1899: synonym of Anisus Studer, 1820
- † Anisus angustigyratus : synonym of † Anisus krambergeri
- † Anisus dupuyanus : synonym of † Anisus dupuyianus
- Anisus septemgyratus auct. : synonym of Anisus calculiformis
- Anisus tokyoensis Mori, 1938: synonym of Gyraulus tokyoensis''
