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  1. Cephalopod - Wikipedia

    A cephalopod / ˈsɛfələpɒd / is any member of the molluscan class Cephalopoda / sɛfəˈlɒpədə / (Greek plural κεφαλόποδες, kephalópodes; "head-feet") [3] such as a squid, octopus, cuttlefish, or nautilus.

  2. Cephalopod | Definition, Etymology, Species, & Facts | Britannica

    Dec 14, 2025 · Cephalopod, any member of the class Cephalopoda of the phylum Mollusca, a small group of highly advanced and organized, exclusively marine animals. The octopus, squid, cuttlefish, …

  3. Cephalopods: Octopus, Squid, Cuttlefish, and Nautilus

    A highly intelligent group of ocean dwelling creatures, the living cephalopods include the eight-armed octopuses, the ten-armed squids and cuttlefishes, and the shelled chambered nautiluses.

  4. Cephalopods | Animals | Monterey Bay Aquarium

    A cephalopod is an animal belonging to the group Cephalopoda, containing octopus, squid, cuttlefish, nautilus, and kin. The word “cephalopod” is derived from Greek and means “head foot,” which …

  5. Cephalopod - Examples, Types, Characteristics, Evolution, & Pictures

    Apr 22, 2025 · What is a cephalopod. Where do they live. What do they eat. How do they move and reproduce. Also, learn their anatomy, habitat, lifespan, and evolution with images.

  6. Cephalopods | Marvelous Mollusks — Museum of the Earth

    Cephalopods are a group of ocean animals that include modern squid, octopuses, and chambered nautiluses, as well as extinct forms like ammonoids and fossil nautiloids. Cephalopods swim using jet …

  7. Cephalopods: Facts about octopus, squid, nautilus and more

    Oct 13, 2021 · Cephalopods are a group of marine invertebrates that include octopuses, squids and cuttlefish. Here, a colorful squid darts through the water. (Image credit: Getty Images) Cephalopods …

  8. Cephalopod: Characteristics, Types, and Adaptations

    Jul 25, 2025 · Cephalopods, a group of marine invertebrates, represent a captivating lineage within the mollusk phylum. Their ancient origins stretch back over 500 million years to the Late Cambrian …

  9. What is a cephalopod? - Discover Wildlife

    Apr 15, 2024 · Then there are the cephalopods, an exclusively marine group comprising octopuses, cuttlefish, squids and nautiluses, as well as the extinct ammonites and belemnites. Like other …

  10. Cephalopods - Marine Biological Laboratory

    Cephalopods (squid, octopus, cuttlefish, and nautilus) are a class of molluscs with an evolutionary history spanning more than 500 million years.