Nautilus (nonfiction): Difference between revisions
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[[File:800px-Nautilus_pompilius_(head).jpg|thumb|Chambered Nautilus, at Pairi Daiza, Brugelette, Belgium.]]The '''nautilus''' (from the Latin form of the original Greek ναυτίλος, 'sailor') is a pelagic marine mollusc of the cephalopod family ''Nautilidae'', the sole extant family of the superfamily ''Nautilaceae'' and of its smaller but near equal suborder, ''Nautilina''. | [[File:800px-Nautilus_pompilius_(head).jpg|thumb|Chambered Nautilus, at Pairi Daiza, Brugelette, Belgium.]]The '''nautilus''' (from the Latin form of the original Greek ναυτίλος, 'sailor') is a pelagic marine mollusc of the cephalopod family ''Nautilidae'', 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''. | It comprises six living species in two genera, the type of which is the genus ''Nautilus''. | ||
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The name "nautilus" originally referred to the pelagic octopuses of the genus ''Argonauta'', otherwise known as paper nautiluses, as the ancients believed these animals used their two expanded arms as sails. | The name "nautilus" originally referred to the pelagic octopuses of the genus ''Argonauta'', otherwise known as paper nautiluses, as the ancients believed these animals used their two expanded arms as sails. | ||
== | == In the News == | ||
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== Fiction cross-reference == | == Fiction cross-reference == | ||
* [[Gnomon algorithm]] | |||
* [[Gnomon Chronicles]] | |||
* [[Gnotilus]] | * [[Gnotilus]] | ||
== External links | == Nonfiction cross-reference == | ||
External links: | |||
* [https://en.wikipedia.org/wiki/Nautilus Nautilus] @ Wikipedia | * [https://en.wikipedia.org/wiki/Nautilus Nautilus] @ Wikipedia | ||
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[[Category:Nonfiction (nonfiction)]] | [[Category:Nonfiction (nonfiction)]] | ||
[[Category:Animals (nonfiction)]] | [[Category:Animals (nonfiction)]] | ||
[[Category:Cephalopods (nonfiction)]] | |||
Latest revision as of 12:23, 23 June 2019
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The nautilus (from the Latin form of the original Greek ναυτίλος, 'sailor') is a pelagic marine mollusc of the cephalopod family Nautilidae, 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 Nautilus pompilius, the name chambered nautilus is also used for any species of the Nautilidae.
Nautilidae, both extant and extinct, are characterized by involute or more or less convolute shells that are generally smooth, with compressed or depressed whorl sections, straight to sinuous sutures, and a tubular, generally central siphuncle.
Having survived relatively unchanged for millions of years, nautiluses represent the only living members of the subclass nautiloidea, and are often considered "living fossils."
The name "nautilus" originally referred to the pelagic octopuses of the genus Argonauta, otherwise known as paper nautiluses, as the ancients believed these animals used their two expanded arms as sails.
In the News
Fiction cross-reference
Nonfiction cross-reference
External links:
- Nautilus @ Wikipedia