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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 completely into.
Epithelium – All tissues bounding a free surface. [1] Equidistant – Equally spaced, as the spiral lines on some snail shells. [1] Equilibrating – Balancing equally. [1] Eroded – Worn away, as the epidermis on some shells. [1] Erosive – Capable of erosion. [1] Excavated – Hollowed out, as the columella of some snails. [1]
The anatomy of a common air-breathing land snail: much of this anatomy does not apply to gastropods in other clades or groups. Snails are distinguished by an anatomical process known as torsion , where the visceral mass of the animal rotates 180° to one side during development, such that the anus is situated more or less above the head.
Stomatella varia (A. Adams, 1850) (dubious synonym) Stomatella auricula , common name the false ear shell , is a species of sea snail , a marine gastropod mollusk in the family Trochidae , the top snails.
Oxychilus draparnaudi is large for a zonitid glass snail, also called the dark-bodied glass snail with a shell of about 14 mm (0.55 in) in maximum dimension. The shell is glossy and is a translucent yellowish-brown and gold in color, somewhat whiter underneath.
Synonyms Helix alliaria Miller, 1822 Oxychilus alliarius , commonly known as the garlic snail or garlic glass-snail , is a species of small, air-breathing land snail , a terrestrial pulmonate gastropod mollusk in the glass snail family, Oxychilidae .
Physella acuta is a species of small, left-handed or sinistral, air-breathing freshwater snail, an aquatic gastropod mollusk in the family Physidae. Common names include European physa , tadpole snail , bladder snail , and acute bladder snail .
Brian the Snail, a snail in the English version of the French children's television programme The Magic Roundabout; Finger Snail, a possible pharaoh of prehistoric Egypt whose existence is questioned; Gary the Snail, a character in the Nickelodeon animated 1999 TV series SpongeBob SquarePants; Les Escargots (The Snails), a 1965 animation by ...