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Gnarosophia bellendenkerensis is a species of air-breathing land snail, ... The width of the shell is ... (2000). "Taxonomy of the Australian rainforest snail ...
Zospeum tholussum or the domed land snail, [2] is a cave-dwelling species of air-breathing land snails in the family Ellobiidae. It is a very small species, with a shell height of less than 2 mm (0.08 in) and a shell width of around 1 mm (0.04 in). Z. tholussum individuals are completely blind and possess translucent shells with five to six ...
The freshwater molluscs of Australia vary greatly in size, shape, biology and evolutionary history, and more than 99% of the native species occur nowhere else on earth. Currently, there are more than 400 native described species and a further 100 species that are undescribed.
Cernuella virgata is an invasive species and an agricultural pest in parts of Australia, where it arrived around 1920. In Australia it is known as the "common white snail". [6] [7] Another land snail which is present as an invasive in Australia, and which is sometimes confused with C. virgata is the species Theba pisana. It is somewhat similar ...
Hedleyella falconeri has a helicoid (spiral) shell and grows to a height of about 12 in (305 mm). The colour is some shade of brown marked with radially arranged irregular bands and splotches of black. When the snail is quiescent, the head and foot are retracted into the shell, but these are extended when the animal wants to move around and feed.
Helicarionidae is a family of air-breathing land snails or semi-slugs, terrestrial pulmonate gastropod mollusks in the superfamily Helicarionoidea. [ 2 ] Distribution
Amphidromus cognatus is large, with a shell length ranging from 21–33 mm (0.8–1.3 inches) and a diameter of 12–17 mm (0.5–0.7 inches). The ground colour of its shell is yellow, often with a peripheral spiral brown band, a purplish apical suffusion and a light yellow or white lip.
The shells of these snails often grow to a length of 18 centimetres (7.1 in) with a diameter of 9 centimetres (3.5 in). Certain examples have been surveyed in the wild at 30×15 cm, making them the largest extant land snail species known. [5] [6] Similar to other giant land snails such as L. fulica, A. achatina are herbivores. Their diets ...