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A chambered shell
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∙ 13y ago
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What is the only cephalopod that has retained an external shell?
The only extant cephalopod that produces an external shell is the chambered nautilus. The shells produced by squid and cuttlefish are internal.
What phylum is a nautilus?
A cephalopod with an external, spiral shell; living in tropical seas.
Does a nautilus have fins?
No. It is a cephalopod that lives in a spirally chambered shell.
What is a pearly nautilus?
It is a cephalopod that has a spiral shell with pale pearly partitions.
What is the meaning of Nautilus?
"Sailor" is the meaning, as it was once thought that the cephalopod used its webbed arms as sails.
Is a squid a cephalopod?
Yes, an octopus is an cephalopod which means head foot. Other cephalopods include cuttlefish, squid, and an nautilus which is the only cephalopod that still carries a shell.
Which is the only living cephalopod species which still has an outer shell?
cuttle fish
How does nautilus connect with the word sailor?
a cephalopod is like a sea animal and sea animals swim; sailors sail
What is a discoscaphites iris?
Discoscaphites iris is a fossil of a cephalopod mollusk. It is a coiled shell that looks much like a nautilus seashell.
What is a nautilus?
A nautilus is a name for any one of the 6 known species of cephalopod in the Nautilidae family. They are shelled mollusks in the sea and are the only known remaining members of the family Nautiloidea.
What is a living fossil A Trilobites B Archaeopteryx C Nautilus D Cheetah?
nautilus
Most living members of this class which contains the nautilus have only a rennant of the shell or have lost their shell completely?
Cephalopoda
