Cephalopod - Wikipedia
WebCephalopods are widely regarded as the most intelligent of the invertebrates and have well developed senses and large brains (larger than those of gastropods). The nervous system of cephalopods is the most complex of the invertebrates and their brain-to-body-mass ratio falls between that of endothermic and ectothermic vertebrates.
Cephalopod | Definition, Etymology, Species, & Facts | Britannica
WebApr 10, 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. Learn more about cephalopods in this article.
Cephalopods | Smithsonian Ocean
WebCephalopods. Introduction. Danielle Hall. Reviewed by Michael Vecchione, Smithsonian Institution. 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.
Cephalopods: Facts about octopus, squid, nautilus and more
Webpublished 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 ...
ADW: Cephalopoda: INFORMATION
WebThere are approximately 650 to 700 extant species of cephalopods in two subclasses and five orders. Cephalopods are strictly marine and are found in all of the world's oceans. Cephalopoda is the most morphologically and behaviorally complex class in …
General features of cephalopods | Britannica
Webcephalopod , 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.
The Cephalopoda - University of California Museum of Paleontology
WebCephalopods are the most intelligent, most mobile, and the largest of all molluscs. Squid, octopuses, cuttlefish, the chambered nautilus, and their relatives display remarkable diversity in size and lifestyle with adaptations for predation, locomotion, disguise, and …
Cephalopods (Cephalopoda) | Marine Invertebrates | Earth Life
WebGordon Ramel December 20, 2023. 0 26 10 minutes read. Cephalopods are a remarkable class of marine invertebrates, including octopuses, squid, cuttlefish, and nautiluses. Ranging from shallow tropical waters to cold ocean depths, over 800 extant species exist worldwide.
Cephalopod - Tentacles, Jet Propulsion, Camouflage | Britannica
WebBlue-ringed octopus (genus Hapalochlaena) Cephalopods vary from elongate, streamlined oceanic organisms to saccular, slow-moving bottom and drifting forms. Their body plan is indicative in many ways of the habitat in which they dwell and their mode of life. The viscera of a generalized cephalopod are covered by a dome-shaped or elongated sheath ...
Cephalopod Family Tree | Smithsonian Ocean
WebThe cephalopods are a diverse class of mollusks. Today, scientists divide the living cephalopods into three groups, called superorders. Many details of cephalopod evolutionary classification continue to change as scientists find new clues from genetic testing and newly discovered fossils.
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