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.
Cipangopaludina is a genus of freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the family Viviparidae.
Bellamya constricta is a species of freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Viviparidae.
Bellamya contracta is a species of large freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Viviparidae.
Bellamya crawshayi is a species of large freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Viviparidae.
Bellamya ecclesi is a species of large freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Viviparidae. This species is found in Malawi and Mozambique. Its natural habitat is freshwater lakes.
Bellamya jeffreysi is a species of large freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Viviparidae.
Bellamya leopoldvillensis is a species of large freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Viviparidae.
Bellamya monardi is a species of large freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Viviparidae.
Bellamya mweruensis is a species of large freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Viviparidae.
Bellamya pagodiformis is a species of large freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Viviparidae.
Bellamya phthinotropis is a species of large freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Viviparidae.
Bellamya robertsoni is a species of large freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Viviparidae.
Bellamya trochlearis is a species of large freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Viviparidae.
Bellamya is a genus of freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the family Viviparidae.
Sinotaia aeruginosa is a species of 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.
Angulyagra polyzonata is a species of a freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Viviparidae.
Filopaludina bengalensis, also known as Bellamya bengalensis, is a species of large 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.
