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The nautilus (from Latin nautilus 'paper nautilus', from Ancient Greek ναυτίλος nautílos 'sailor') is an ancient pelagic marine mollusc of the cephalopod family Nautilidae. The nautilus is the sole extant family of the superfamily Nautilaceae and the suborder Nautilina.
Dec 13, 2019 · Learn about the nautilus, a living fossil cephalopod with a visible shell and 90 tentacles. Discover its habitat, diet, reproduction, evolution, and threats in this article.
Learn about the nautilus, a mollusk that uses jet propulsion to roam the ocean deep. Find out how it swims, how old it is, and why it is endangered.
Learn about the nautilus, a living fossil cephalopod with a spiral shell and a mysterious behavior. Discover its anatomy, physiology, life cycle, species, distribution, and conservation status in the deep ocean.
- The nautilus shell is considered a symbol of perfection and beauty in both science and art. In science, the nautilus shell is used as a model for s...
- Yes, nautilus shells have been used for various practical purposes. In some cultures, the shells are used as musical instruments or as containers f...
- The nautilus has a soft body that is protected by a hard, spiral shell. The shell is divided into chambers that are connected by a tube called the...
- Nautiluses have been around for over 500 million years, making them one of the oldest living species on Earth. They are considered living fossils b...
- Nautiluses and squids are both cephalopods, but they have some key differences. Nautiluses have a hard, spiral shell and two pairs of arms, while s...
- Nautiluses play an important role in marine ecosystems as scavengers and predators. They feed on dead animals and small crustaceans, and are themse...
Nautilus repertus. Iredale, 1944. The chambered nautilus ( Nautilus pompilius ), also called the pearly nautilus, is the best-known species of nautilus. The shell, when cut away, reveals a lining of lustrous nacre and displays a nearly perfect equiangular spiral, although it is not a golden spiral. The shell exhibits countershading, being light ...
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Oct 21, 2022 · Learn about the nautilus, a living fossil that evolved over 500 million years ago and has a spiral shell. Find out how it lives, feeds, mates, and faces conservation challenges.
Nautilus is a genus of cephalopod mollusks with either a pearly, chambered shell or a paper, unchambered shell. Learn about their anatomy, behavior, distribution, and fossil record from Britannica.
