Choanomphalus
Choanomphalus is a genus of air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails, or planorbids. All species in this genus have sinistral or left-coiling shells.
Species
Species within the genus Choanomphalus include:Choanomphalus amauronius Bourguignat, 1860- * Choanomphalus amauronius angulatus
- * Choanomphalus amauronius westerlundianus Lindholm, 1909Choanomphalus annuliformis Kozhov, 1936Choanomphalus anomphalus W. Dybowski, 1901Choanomphalus aorus Bourguignat, 1860Choanomphalus baicalensisChoanomphalus bathybius Beckman & Starobogatov, 1975
- * Choanomphalus bathybius meridianus Beckman & Starobogatov, 1975Choanomphalus cryptomphalus W. Dybowski, 1901Choanomphalus eurystomus Lindholm, 1909Choanomphalus gerstfeldtianus Lindholm, 1909Choanomphalus grachevi Sitnikova & Röpstorf, 1999Choanomphalus huzhirensis Beckman & Starobogatov, 1975Choanomphalus hyaliniiformis Moskvicheva & Dworiadkin, 1980Choanomphalus incertus Lindholm, 1909
- * Choanomphalus incertus mesospiralis B. Dybowski & Grochmalicki, 1925Choanomphalus korotnevi Lindholm, 1909Choanomphalus kozhovi Beckman & Starobogatov, 1975Choanomphalus lindholmi Beckman & Starobogatov, 1975Choanomphalus maacki Gerstfeldt, 1859 - type species
- * Choanomphalus maacki andrussowianus
- * Choanomphalus maacki elatior Lindholm, 1909Choanomphalus microtrochus Lindholm, 1909Choanomphalus mongolicusChoanomphalus okhoticus Prozorova & Starobogatov, 1997Choanomphalus omphalotus W. Dybowski, 1901Choanomphalus parvus Kozhov, 1936Choanomphalus patulaeformis Lindholm, 1909Choanomphalus planorbiformis Beckman & Starobogatov, 1975Choanomphalus pygmaeus Lindholm, 1909Choanomphalus schrencki or Choanomphalus schrenkii W. Dybowski, 1875Choanomphalus valvatoides W. Dybowski, 1875