A octopus is a cephalopod that has no shell. Also squid have internal shells that are not used for protection.
The only extant cephalopod that produces an external shell is the chambered nautilus. The shells produced by squid and cuttlefish are internal.
A chambered shell
No. It is a cephalopod that lives in a spirally chambered shell.
It is a cephalopod that has a spiral shell with pale pearly partitions.
cuttle fish
A cephalopod is a type of invertibrate in the Mollusc family. Squid are type of cephalopd, along with octopus and cuttlefish.
it looked like something like todays octopus but had a hard shell on its head. the shell looked something like a snail shell when curled up but epands.
Discoscaphites iris is a fossil of a cephalopod mollusk. It is a coiled shell that looks much like a nautilus seashell.
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.
A cephalopod is a snail.
A cephalopod with an external, spiral shell; living in tropical seas.
They have no shell but yes they are technically shellfish. If you have a shellfish allergy you can't eat octopus.