Anisus
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.
Species
The genus contains the following species:;ExtantAnisus bachlongviensus Saurin, 1960Anisus centrogyratus Anisus leucostoma Anisus pauxillus van Benthem Jutting, 1963Anisus ressmanianus Anisus sarasinorum Anisus septemgyratus Anisus spirorbis - the type species of the genusAnisus strauchianus Anisus vortex Anisus vorticulus
;Extinct
- † Anisus altaicus Popova & Starobogatov, 1970
- † Anisus angulatus
- † Anisus arltungae McMichael, 1968
- † Anisus balizacensis
- † Anisus bicarinatus Szőts, 1953
- † Anisus brunnensis
- † Anisus coislinensis
- † Anisus confusus Soós, 1934
- † Anisus densecostatus Schütt, 1994
- † Anisus deviatkini Popova & Starobogatov, 1970
- † Anisus dupuyianus
- † Anisus falsani
- † Anisus guerichi
- † Anisus gulmargensis Bhatia, 1975
- † Anisus hilgendorfi
- † Anisus karkaraensis
- † Anisus komarovae Prysjazhnjuk, 1974
- † Anisus krambergeri
- † Anisus laskarevi Milošević, 1976
- † Anisus lentiformis Popova & Starobogatov, 1970
- † Anisus lungershauseni Popva & Starobogatov, 1970
- † Anisus mariae
- † Anisus metochiensis Milošević, 1976
- † Anisus nechoroshevi Popova & Starobogatov, 1970
- † Anisus omalus
- † Anisus paritus Y.-T. Li, 1986
- † Anisus pseudoplanulatus Szőts, 1953
- † Anisus pseudosubangulatus Szőts, 1953
- † Anisus racovetzae Popova & Starobogatov, 1970
- † Anisus ressmanianus
- † Anisus rousianus
- † Anisus saddaritanus
- † Anisus septemgyratiformis
- † Anisus subanguloides H.-J. Wang, 1982
- † Anisus thomasi
- † Anisus trapeziiformis Popova & Starobogatov, 1970
- † Anisus tuerykensis Popova & Starobogatov, 1970
- † Anisus vorticoides
- † Anisus weizhouensis H.-J. Wang, 1982
;Subspecies and species brought into synonymy :
- Subgenus