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The sea snail Nerita textilis (like all gastropods) deposits a mucus trail as it moves, which a chemoreceptive organ is able to detect and guide the snail back to its home site. [31] It is unclear if chiton homing functions in the same way, but they may leave chemical cues along the rock surface and at the home scar which their olfactory senses ...
Shell jewelry is jewelry that is primarily made from seashells, the shells of marine mollusks. Shell jewelry is a type of shellcraft. One very common form of shell jewelry is necklaces that are composed of large numbers of beads, where each individual bead is the whole (but often drilled) shell of a small sea snail.
The shells are small to rather large (diameter of base without attachments 19–160 mm; height of shell 21–100 mm), depressed to conical, with narrow to wide, simple to spinose peripheral edge or flange separating spire from base. Aperture large, base broad, rather flattened, often umbilicate. Periostracum very thin or wanting.
A seashell or sea shell, also known simply as a shell, is a hard, protective outer layer usually created by an animal or organism that lives in the sea. Most seashells are made by mollusks , such as snails , clams , and oysters to protect their soft insides. [ 1 ]
Xenophora, commonly called carrier shells, is a genus of medium-sized to large sea snails, marine gastropod mollusks in the family Xenophoridae, the carrier snails or carrier shells. [2] The genus Xenophora is the type genus of the family Xenophoridae.
Fasciolaria tulipa, common name the true tulip, is a species of large sea snail, a marine gastropod mollusk in the family Fasciolariidae.This fiercely predatory species occupies a wide geographic area within the Western Atlantic and is known, along with the other Fasciolariids, for the superficial resemblance their shells possess to a closed tulip flower.
The shell is thick and irregularly coiled in a gradually tapered spiral, with rather distant whorls. It has longitudinal ridges with spines on them throughout its length. It is generally a dirty-looking white colour, pale yellow or buff. The uncoiled length could be up to 8 inches (200 mm). [2] [3]
Wentletrap shells have a roundish or oval aperture, but its inner lip is often reduced to strip of callus. The round and horny operculum is paucispiral and fits the aperture tightly. Most of the species in the family are small to minute, although some are larger, and overall the adult shell length in the family varies between 0.6 and 11.7 cm. [ 4 ]