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A cephalopod / ˈ s ɛ f ə l ə p ɒ d / is any member of the molluscan class Cephalopoda / s ɛ f ə ˈ l ɒ p ə d ə / (Greek plural κεφαλόποδες, kephalópodes; "head-feet") such as a squid, octopus, cuttlefish, or nautilus.These exclusively marine animals are characterized by bilateral body symmetry, a prominent head, and a set of arms or tentacles (muscular hydrostats ...
May 21, 2024 · 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, and chambered nautilus are familiar representatives.
Cephalopod literally means “head foot” in Greek, a reference to the way the cephalopod’s head connects to its many arms. The basic cephalopod body plan includes two eyes, a mantle, a funnel (also called a siphon), and at least eight arms.
Oct 13, 2021 · published 13 October 2021. Cephalopods are often characterized by their tentacles, creative camouflage, inky getaways and impressive feats of intelligence. Cephalopods are a group of marine ...
Dec 20, 2023 · By examining cephalopod evolution and the fossil record, scientists gain insight into the emergence of key traits like vision, jet propulsion, behavioral complexity, and shell loss that characterize modern cephalopods.
cephalopod , Any marine mollusk of the class Cephalopoda (e.g., cuttlefish, nautilus, octopus, and squid), which includes the most active and largest living invertebrates. Cephalopods are bilaterally symmetrical and typically have a highly developed centralized nervous system.
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 perfectly describes animals that have eyes just above their many limbs.
Cephalopods are an exclusively marine group comprising octopuses, cuttlefish, squids and nautiluses says Stuart Blackman.
May 21, 2024 · Cephalopod - Tentacles, Jet Propulsion, Camouflage: Cephalopods vary from elongate, streamlined oceanic organisms to saccular, slow-moving bottom and drifting forms. In general, the viscera are covered by the mantle, and the central nervous system is highly developed.
An external shell is possessed only by the Nautiloidea. Sepioids and teuthiods have reduced inner shells, while ocotopoids and vampyromorphans lack shells altogether. A cephalopod is also characterized by a horny beak secreted by the walls of the buccal cavity, and a radula within the buccal cavity. All cephalopods are carnivorous.
