paper nautiluspaper nautilus
- any of a genus (Argonauta) of small, squidlike octopods: the female secretes a large, frail, paperlike shell to protect her eggs until they hatch; argonaut
- this shell
Any of several cephalopod mollusks of the genus Argonauta that have eight arms, the female of which is much larger than the male and inhabits a paper-thin shell that serves as an egg case. Also called argonaut.
(plural paper nautiluses or paper nautili)
- A pelagic octopus of genus Argonauta, found in warm seas, whose females produce a paper-thin egg case resembling a shell into which she deposits her eggs.