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 ...

(CN) – The National Oceanic and Atmospheric Administration has listed the chambered nautilus as threatened under the Endangered Species Act, citing demand for its shells as the main threat. “Chambered ...

Cynthia Barnett investigates shells and the way people around the world have regarded them in her fascinating scientific and cultural history, "The Sound of the Sea: Seashells and the Fate of the ...

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 ...