Viviparidae, sometimes known as the river snails or mystery snails, are a family of large aquatic gastropod mollusks, being some of the most widely distributed operculate freshwater snails.
Gyraulus is a genus of small, mostly air-breathing, freshwater snails, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails.
Truncatella guerinii is a species of very small land snail that lives at the edge of the sea, a gastropod mollusk in the family Truncatellidae.
Pomatiopsidae is a family of small, mainly freshwater snails, that have gills and an operculum, aquatic gastropod mollusks in the superfamily Truncatelloidea.
Terebralia is a genus of sea snails, marine gastropod mollusks in the family Potamididae.
Brotia is a genus of Southeast Asian freshwater snails, gastropod molluscs in the taxonomic family Pachychilidae.
Filopaludina is a genus of freshwater snails with a gill and an operculum, aquatic gastropod molluscs in the family Viviparidae.
Filopaludina martensi is a species of large freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Viviparidae.
Neritodryas cornea, the horny nerite, is a species of freshwater snail, an aquatic gastropod mollusc in the family Neritidae, the nerites.
Neritodryas is a genus of freshwater snails, ; they are gastropod molluscs in the family Neritidae, the nerites.
Filopaludina maekoki is a species of large freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Viviparidae.
Filopaludina filosa is a species of large freshwater snail with a gill and an operculum. It is an aquatic gastropod mollusc in the family Viviparidae.
Intha umbilicalis is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod in the ram's horn snail family, Planorbidae.
Filopaludina javanica or Idiopoma javanica is a species of large freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Viviparidae.
Sermyla riqueti is a species of brackish water and freshwater snail with an operculum, an aquatic gastropod mollusk in the family Thiaridae.
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.
Filopaludina bengalensis, also known as Bellamya bengalensis, is a species of large freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Viviparidae.
Neritilia rubida is a species of submarine cave snail, a marine gastropod mollusc in the family Neritiliidae.
