Doryssa
Doryssa is a genus of freshwater snails which have an operculum, aquatic gastropod mollusks in the family Pachychilidae.Distribution
These freshwater snails are endemic to South America.Species within the genus Doryssa include:
- Doryssa atra
- Doryssa brevior - type species of the genus Doryssa
- Doryssa consolidata
- Doryssa derivans Brot, 1874
- Doryssa geijskesi
- Doryssa gruneri
- Doryssa hohenackeri
- Doryssa kappleri
- Doryssa lamarckiana
- Doryssa petechialis
- Doryssa schuppi
- Doryssa transversa