Helisoma
Helisoma is a genus of freshwater air-breathing snails, pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails.
Helisoma snails are an intermediate host of Megalodiscus temperatus.
Species
The following species are recognised in the genus Helisoma:- Helisoma anceps
- †Helisoma brevispira
- †Helisoma dongdawusuensis
- Helisoma eucosmium
- Helisoma eyerdami
- †Helisoma kettlemanensis
- †Helisoma lincki
- †Helisoma llanerensis
- †Helisoma malheurense
- †Helisoma marshalli
- Helisoma minus
- Helisoma newberryi
- †Helisoma parallelum
- †Helisoma paritis
- Helisoma peruvianum
- †Helisoma ringentis
- †Helisoma sanctaeclarae
- †Helisoma sheyangensis
- †Helisoma shotwelli
- †''Helisoma triangulatum''