Entity: NAUTILUS
A cephalopod mollusk of the genus Nautilus, found in the South Pacific and Indian oceans, with a spiral chambered shell that is pearly on the inside.
NAUTILUS
Etymology
The word 'nautilus' originates from the Latin word 'nautilius,' meaning 'sailor' or 'ship.'
Definition
A nautilus is a cephalopod mollusk of the genus Nautilus, characterized by a spiral, chambered shell with pearly septa.
Historical Context
Nautiluses are ancient creatures that have remained relatively unchanged for millions of years. They are often considered living fossils due to their unique evolutionary history.
Cultural Significance
In various cultures, the nautilus shell symbolizes growth, renewal, and perfection. It is also a popular motif in art and jewelry.
Related Concepts
The nautilus is closely related to other cephalopods such as octopuses, squids, and cuttlefish.
See Also
- Chambered Nautilus
- Cephalopod anatomy
- Marine biology
A unique marine mollusk known for its spiral chambered shell and tentacles, belonging to the genus Nautilus.