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.
Viviparus, commonly known as the river snails, is a genus of large, freshwater snails with an operculum, aquatic gastropod molluscs.
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.
The Australian freshwater limpet or Tasmanian freshwater limpet, scientific name Ancylastrum cumingianus, is a species of air-breathing freshwater snail or freshwater limpet, an aquatic pulmonate gastropod mollusc in the family Planorbidae. This species is endemic to freshwater lakes in the Central Plateau of Tasmania.
Glyptophysa is a genus of medium-sized sinistral (left-handed) air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family of Planorbidae.
Notopala sublineata is a species of large, freshwater snail with an operculum, an aquatic gastropod mollusc in the family Viviparidae, the river snails or mystery snails. This species is endemic to Australia.
Viviparus georgianus, common name the banded mystery snail, is a species of large freshwater snail with gills and an operculum, an aquatic gastropod mollusk in the family Viviparidae, the river snails.
Bellamya is a genus of freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the family Viviparidae.
Notopala hanleyi is a species of large freshwater snail, an aquatic gastropod mollusc in the family Viviparidae. It is also classified as a subspecies Notopala sublineata hanleyi.
The Wallumbilla Formation is an Aptian geologic formation found in Australia. Plesiosaur and theropod remains are among the fossils that have been recovered from its strata.
Cipangopaludina malleata is a species of large, freshwater snail with an operculum and a gill, an aquatic gastropod mollusk in the family Viviparidae, the river snails.
Isidorella is a genus of air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails.
Filopaludina martensi is a species of large freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Viviparidae.
Austropyrgus ronkershawi is a species of minute freshwater snail with an operculum, an aquatic gastropod mollusc or micromollusc in the Hydrobiidae family. This species is endemic to Tasmania, Australia. It is known from a number of small streams and rivers in central northern Tasmania.
Stenomelania denisoniensis is a very variable species of freshwater snail, an aquatic gastropod mollusk in the family Thiaridae. Stenomelania denisoniensis has a long, slender shell and small aperture. This species has a characteristic angled shoulder just below the suture. This shoulder may be strong in some individuals and weak in others even if they are part of the same population.
Velesunio is a genus of medium to large sized mussels in the family Hyriidae.
Bullastra is a genus of large-sized, globose snails in the family Lymnaeidae. Snails in this genus have large apertures and fleshy, triangular tentacles. This genus is similar to Austropeplea but differs in generally being larger and having a distinctive twist in the columella.
Bayardella is a genus of small, neritiform cylindrical shelled gastropods belonging to the family Planorbidae. They are native and endemic to Australia. Species of Bayardella, like other Planorbids, are non-operculate.
Campeloma nebrascensis is a species of extinct freshwater snail from the Maastrichtian of North America. The species is distributed from Montana to Colorado, where extant Campeloma species live today.
