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 ...

This species of octopus is also known as the paper nautilus (the shell it builds to hold its eggs is made of paper-thin calcium carbonate). The Chinese name for the species translates to “white ...

The Nautilus belauensis, often called the Palau nautilus, is a species of cephalopod known for its beautiful, chambered shell. With its spiral shape and intricate design, the nautilus is a direct ...