In the 60s, there was no way of making Utzon's paper nautilus volutes.
From the guardian.co.uk
It may also take squid, paper nautilus, and swimming crabs, and there is fossil evidence of it scavenging on whale carcasses.
From the en.wikipedia.org
The ocean-dwelling argonaut octopus, aka paper nautilus, has a penis that can detach, find a mate, and return to its owner via the power of a tail.
From the independent.co.uk
Appearance of the common paper nautilus Argonauta argo related to the increase of the sea surface temperature in the north-eastern Atlantic.
From the en.wikipedia.org
The female of the species, like all argonauts, creates a paper-thin eggcase that coils around the octopus much like the way a nautilus lives in its shell, hence the name paper nautilus.
From the en.wikipedia.org
In the paper nautilus, this arm remains active and wriggling for some time, prompting the zoologists who discovered it to conclude it was some sort of worm-like parasite.