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.
The Chinese mystery snail, black snail, or trapdoor snail, is a large freshwater snail with gills and an operculum, an aquatic gastropod mollusk in the family Viviparidae. The Japanese variety of this species is black and usually a dark green, moss-like alga covers the shell.
Elimia livescens, common name the liver elimia, is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Pleuroceridae.
Bellamya is a genus of freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the family Viviparidae.
Bithynia siamensis is a species of a freshwater snail with a gill and an operculum, an aquatic prosobranch gastropod mollusk in the family Bithyniidae.
Aspidogaster limacoides is a species of the trematodes in the family Aspidogastridae.
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.
Filopaludina miveruensis is a species of large freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Viviparidae.
Filopaludina sumatrensis is a species of large freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Viviparidae.
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.
Sinotaia quadrata is a species of a freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Viviparidae. It is widely distributed and common species in China and in northern Vietnam inhabiting various shallow freshwater habitats, where it can reach high densities. It is a keystone species in its habitat and can significantly affect water quality and phytoplankton communities. It is commonly used in Chinese cuisine.
Cipangopaludina cathayensis is a species of large, freshwater snail with an operculum and a gill, an aquatic gastropod mollusk in the family Viviparidae, the river snails.
Angulyagra polyzonata is a species of a freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Viviparidae.
Bellamya unicolor is a species of large freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Viviparidae.
Heleobia parchappii is a species of small freshwater snail, an operculate gastropod mollusk in the family Cochliopidae.
Plotiopsis balonnensis is a species of freshwater snail, a gastropod mollusk in the family Thiaridae.
Polypedates bengalensis, the brown blotched Bengal tree frog, is a species of frog in the family Rhacophoridae. It is endemic to West Bengal, India. It has been observed between 7 and 13 meters above sea level.
