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Nautilus - Wikipedia
The nautilus (from the Latin form of the original Ancient Greek: ναυτίλος, 'sailor') is a pelagic marine mollusc of the cephalopod family Nautilidae. The nautilus is the sole extant family of the superfamily Nautilaceae and of its smaller but near equal suborder, Nautilina. It comprises six living species in two genera, the type of which is the genus Nautilus. Though it more specifically refers to species N…
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What is a nautilus? - National Ocean Service
The nautilus is a mollusk that uses jet propulsion to roam the ocean deep. Writers, artists, and engineers have long marveled at the nautilus’s beauty and swimming abilities. The chambered or pearly nautilus is a cephalopod (a type of mollusk)—a distant cousin to squids, octopi, and cuttlefish.
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The Chambered Nautilus - Molluscs
Other than a snail shell, a nautilus shell is chambered inside; the animal itself inhabits only the outermost, apertural chamber. Only a thin string of the nautilus' …
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Nautilus | cephalopod | Britannica
Nautilus, either of two genera of cephalopod mollusks: the pearly, or chambered, nautilus (Nautilus), to which the name properly applies; and the paper nautilus (Argonauta), a cosmopolitan genus related to the octopus. The pearly nautilus has a smooth, coiled external shell about 25 cm (10 inches)
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Nautilus : A cephalopod mollusc with a light external ...
May 14, 2014 · Nautilus is the common name of pelagic marine mollusks of the cephalopod family Nautilidae, the sole extant family of the superfamily Nautilaceae and of its ...
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The Nautilus shell spiral as a golden spiral
Feb 08, 2014 · Nautilus shell spirals may have phi proportions, but not as you may have heard. The Nautilus shell if often associated with the golden ratio. There is a fair amount of confusion, misinformation and controversy though over whether the graceful spiral curve of the nautilus shell is based on this golden proportion.
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Magnificent Spiral Speakers Shaped Like Nautilus | Tech Trends
Jun 25, 2021 · The nautilus is a marine mollusc found in Indo-Pacific at a depth of several hundred metres. The nautilus shell presents one of the finest natural examples of …
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Phylum Mollusca | the Shape of Life | The Story of the ...
Feb 13, 2014 · Includes: Clams, Snails, Slugs, Nautilus, Squid, Octopus Molluscs show an amazing degree of diversity, yet all have certain features in common. The word mollusc comes from the Latin meaning “soft,” a good description of the group’s fleshy bodies. Of course, in an ocean filled with predators, a soft body is easily eaten.
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Where does the Nautilus Live in its shell?
Unlike its color-changing cousins, though, the soft-bodied nautilus lives inside its hard external shell. The animal resides in the shell’s largest chamber, while the other chambers function like the ballast tanks of a submarine.
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How is the Nautilus related to the octopus?
Nautilus, plural nautiluses, or nautili, either of two genera of cephalopod mollusks: the pearly, or chambered, nautilus (Nautilus), to which the name properly applies; and the paper nautilus (Argonauta), a cosmopolitan genus related to the octopus. nautilusNautilus (Nautilus belauensis).Lee R. Berger.
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How is a nautilus shell different from a snail shell?
Completely different, say, to an octopus or a squid, a nautilus possesses a hard coiled shell from calcium carbonate. Other than a snail shell, a nautilus shell is chambered inside; the animal itself inhabits only the outermost, apertural chamber. Only a thin string of the nautilus' body, the siphuncle, reaches through the other chambers.
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How are nautiluses related to other cephalopods?
Nautiluses are invertebrates, cephalopods, and mollusks related to octopus, cuttlefish, and squid. Of all the cephalopods, nautiluses are the only animal to have a visible shell. The shell is not only beautiful, but it also provides protection. The nautilus can withdraw into the shell and seal it closed with a fleshy trapdoor called a hood.
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