| Doryssa | |
|---|---|
|   | |
| Two shells of Doryssa consolidata | |
|  Scientific classification   | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Mollusca | 
| Class: | Gastropoda | 
| Subclass: | Caenogastropoda | 
| Family: | Pachychilidae | 
| Genus: |  Doryssa  H. Adams & A. Adams, 1854  | 
Doryssa is a genus of freshwater snails which have an operculum, aquatic gastropod mollusks in the family Pachychilidae.
These freshwater snails are endemic to South America.
Species within the genus Doryssa include:
Pachychilus, common name the jute snails, is a genus of freshwater snails with an operculum, aquatic gastropod mollusk in the family Pachychilidae.
Olive snails, also known as olive shells and olives, scientific name Olividae, are a taxonomic family of medium to large predatory sea snails with smooth, shiny, elongated oval-shaped shells.
The Terebridae, commonly referred to as auger shells or auger snails, is a group or family of small to large predatory marine gastropods in the superfamily Conoidea.
Thiaridae, common name thiarids or trumpet snails, is a family of tropical freshwater snails with an operculum, aquatic gastropod mollusks in the superfamily Cerithioidea.
Concholepas is a genus of medium-sized to large predatory sea snails, marine gastropod mollusks in the family Muricidae, the rock shells.
Subulina octona is a species of small, tropical, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinidae.

Clea is a genus of freshwater snails with opercula, aquatic gastropod mollusks in the subfamily Anentominae of the family Nassariidae, a family, almost all of the rest of which are marine.
Pachychilidae, common name pachychilids, is a taxonomic family of freshwater snails, gastropod molluscs in the clade Sorbeoconcha.
Corilla is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Corillidae. This family has no subfamilies. It has been synonymised with Atopa Albers, 1850 and Helix (Corilla) Adams & Adams, 1855.
Nassa is a genus of sea snails, marine gastropod mollusks in the subfamily Rapaninae of the family Muricidae, the murex snails or rock snails.
Thiara is a genus of freshwater snails, aquatic gastropod mollusks in the subfamily Thiarinae of the family Thiaridae.

Brotia is a genus of Southeast Asian freshwater snails, gastropod molluscs in the taxonomic family Pachychilidae.
Stenomelania is a genus of freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the subfamily Thiarinae of the family Thiaridae known as thiarids.

Sulcospira is a genus of freshwater snails which have an operculum, aquatic gastropod mollusks in the family Pachychilidae.
Doryssa consolidata is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Pachychilidae.
Doryssa hohenackeri is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Pachychilidae.
Sermyla is a genus of brackish water and freshwater snails with an operculum, an aquatic gastropod mollusks in the subfamily Thiarinae of the family Thiaridae.
Doryssa lamarckiana is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Pachychilidae.