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A nautilus is a cephalopod. It belongs to the class Cephalopoda, which also includes octopuses, squids, and cuttlefish. Unlike gastropods (snails and slugs) and bivalves (clams and oysters), cephalopods are characterized by their highly developed nervous systems and ability to exhibit complex behaviors. The nautilus is unique among living cephalopods for its coiled, chambered shell.
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What is the phylum of the gastropod bivalve and cephalopod?
Mollusca
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.
Is a bivalve a snail?
No, a snail is a gastropod.
Is a periwinkle a bivalve or a univalve?
Its neither.Its actually a Gastropod.
The nautilus is the only living cephalopod with?
A chambered shell
Does a nautilus have fins?
No. It is a cephalopod that lives in a spirally chambered shell.
Is a snail a cephalopod?
A snail is a gastropod. Gastro is latin for stomach. Pod is latin for foot. Meaning...stomach-foot. Which is accurate since a snail slides around on their stomach, also making that their foot.
What is a pearly nautilus?
It is a cephalopod that has a spiral shell with pale pearly partitions.
What are the different kinds of shells that can be found in the ocean?
Various types of shells can be found in the ocean, including gastropod shells, bivalve shells, and cephalopod shells. These shells are created by different types of marine animals and come in a wide range of shapes, sizes, and colors.
What phylum is a nautilus?
A cephalopod with an external, spiral shell; living in tropical seas.
What kinds of mollusks are there?
There are three main classes of mollusks: Gastropoda (snails and slugs), Bivalvia (clams, mussels, oysters), and Cephalopoda (octopuses, squids, nautiluses). Each class has unique characteristics and habitats.
What is the meaning of Nautilus?
"Sailor" is the meaning, as it was once thought that the cephalopod used its webbed arms as sails.
