Read about the relative of the octopus that has a shell over its soft body, as well as tentacles. Covers its range, diet, and behaviors.
Theo Engeser provides a comprehensive look at this little-known group of cephalopods. Peruse classification info, tools, references, and links.
Read about the habitat and behavior of the mollusk with the spirally coiled shell divided into chambers.
Discusses the ecology of the animal, as well as the purpose of its shell. View a photo of a shell found floating near Papua New Guinea.