The chambered, or pearly, nautilus (Nautilus pompilius) is a charismatic cephalopod species known for its exceptional spiraling, chambered shell. It belongs to a family that has barely changed since ...

"Catch" Phrase: I got a chambered nautilus! Who loses? Not us! Just go with it... Blathers' Blabber: These creatures are related to both octopuses and squids and originated about 60 million years ago.