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Beddomeia waterhouseae, also known as Claytons Rivulet freshwater snail, is a species of freshwater snail in the family Tateidae. [2] This species is endemic to northern Tasmania in Australia. The holotype specimen was found in a very small tributary of Little Clayton's Rivulet and is held at the Australian Museum .
Cantareus apertus, [2] commonly known as the green garden snail, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Helicidae, the typical snails. Distribution
Hydatina physis is a species of sea snail, a bubble snail, a marine opisthobranch gastropod mollusk in the family Aplustridae. Its common names include striped paper bubble , green-lined paper bubble , brown-lined paper bubble , and rose petal bubble shell .
A snail is a shelled gastropod. The name is most often applied to land snails, terrestrial pulmonate gastropod molluscs. However, the common name snail is also used for most of the members of the molluscan class Gastropoda that have a coiled shell that is large enough for the animal to retract
These snails, like most terrestrial gastropods, are hermaphrodite. The reproductive season last from May to October. Usually they lay 20-50 eggs in rotting wood or below decaying leaves. Eggs are white and flattened, measure about 1 mm and hatch after 10–30 days.
The snails are a unique part of the neuston, organisms which live on or near the surface of the water, because of their relatively large size. They have veliger , or free swimming larvae, but the adults do not swim, and cannot create their rafts, except at the surface where air bubbles are available.