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A snail is a mollusc of the class gastopoda. Snails are extraordinarily diverse but all have coiled shells as adults to protect them and a strong foot coated in mucous for locomotion. All land snails are hermaphrodites and have two sets of tentacles which carry the eyes and olfactory organs. Articles this image appears in Snail Creator Al2
Stylommatophora is an order [3] of air-breathing land snails and slugs, terrestrial pulmonate gastropod molluscs. This taxon includes most land snails and slugs . Stylommatophorans lack an operculum , but some close their shell apertures with temporary "operculum" ( epiphragm ) made of calcified mucus.
Shells of two different species of sea snail: on the left is the normally sinistral (left-handed) shell of Neptunea angulata, on the right is the normally dextral (right-handed) shell of Neptunea despecta The shell of a large land snail (probably Helix pomatia) with parts broken off to show the interior structure.
Print/export Download as PDF; Printable version; In other projects ... Limicolaria is a genus of tropical air-breathing land snails, ...
The solid shell is rimately perforated, oblong-conic or fusiformly cylindrical. The apex is horny and rather obtuse. The body whorl is shorter than the spire. The small aperture is obliquely oval. The peristome is straight, labiate within and dentate. The right margin is rather expanded. The columellar margin is reflexed and patulous. [3]
The shells of juveniles in some species (especially some families of land snails) have a simple aperture with a sharp edge, but after reaching adult size the aperture of the shell finally acquires adult characters, consisting of a thickened, reflected, inflected or lipped edge, which is sometimes more or less contracted by inflected calcareous ...
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The width of the shell is 6–7 mm [1] and the height of the shell is 4,5 mm. [1] These snails are sometimes called "jumping snails" because the tail is modified with a caudal horn and the posterior part of the foot acts as a catapult to push off from contiguous substrates, allowing the snail to suddenly move several inches. [3]