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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 ...
A newly hatched snail is called a neonate. When the giant African land snail hatches, it's shell is about 5 to 5.5 mm long, consisting of 2.5 whorls. As the snail grows, its shell extends either clockwise (dextral) or counter-clockwise (sinistral), coiling and creating whirls as the snail ages. Dextral growth is most common. [citation needed]
Haplotrematidae is a taxonomic family of predatory air-breathing land snails, ... Their shells vary in size from small (7 mm in diameter, or about 0.3 inches) to ...
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 ...
The largest living species is the Giant African Snail or Ghana Tiger Snail (Achatina achatina; Family Achatinidae), which can measure up to 30 cm. [13] [14] The largest land snails of non-tropical Eurasia are endemic Caucasian snails Helix buchi and Helix goderdziana from the south-eastern Black Sea area in Georgia and Turkey; diameter of the ...
The shells of Amphidromus are relatively large, from 25 mm (0.98 in) to 75 mm (3.0 in) in maximum dimension, and particularly colorful. During the 18th century, they were among the first Indonesian land snail shells brought to Europe by travelers and explorers. Since then, the genus has been extensively studied: several comprehensive monographs ...
Angustopila dominikae is a species of light grey, round, land snails, a terrestrial pulmonate gastropod mollusc in the family Hypselostomatidae. Angustopila dominikae have been found in southern China, and are considered to be one of the world's smallest terrestrial molluscs (the holotype's shell height is 0.86 mm). [1]
Numerous shells of the freshwater snail Potamopyrgus antipodarum compared to an American dime, which is 18 mm in diameter Two shells of the freshwater snail Gyraulus crista, about 2 or 3 mm in width Six shells of the land snail Columella edentula, the scale bar is in mm