Cephalopod - Wikipedia
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") [2] such as a squid, octopus, cuttlefish, or nautilus.
Cephalopod | Definition, Etymology, Species, & Facts | Britannica
2024年9月25日 · 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.
Cephalopods - Smithsonian Ocean
The cephalopods are a diverse class of mollusks (a group that also includes snails and bivalves) that emerged during an explosion of animal diversity in the oceans during the Cambrian period, over 500 million years ago (mya). Today, scientists divide the living cephalopods into three groups, called superorders.
Cephalopods: Facts about octopus, squid, nautilus and more
2021年10月13日 · Cephalopods are members of a class of marine animals that includes octopuses, squid, cuttlefish and nautiluses. The group includes more than 800 species (and new species are still being found ...
Cephalopods (Cephalopoda) | Marine Invertebrates - Earth Life
2023年12月20日 · 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. Cephalopods are characterized by prominent heads, beak-like jaws, and arms or tentacles used for grasping prey.
Cephalopod - Examples, Types, Characteristics, Evolution, & Pictures
2024年5月31日 · Cephalopods are a group of mollusks characterized by a bilaterally symmetric body and a prominent head with appendages. They belong to the Cephalopoda class, which includes squid, octopus, cuttlefish, and nautilus. Although they exclusively inhabit marine environments, some, like the Atlantic brief squid, can tolerate brackish water. Fishermen ...
General features of cephalopods | Britannica
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.
6 Amazing Cephalopod Species You Didn’t Know Existed
2014年6月24日 · Few groups of animals are as dazzling and diverse as the cephalopods, a group of around 800 living marine species that includes squid, octopuses, cuttlefish, and nautiluses. In honor of Cephalopod Week, we put together a list of six of the most amazing, unusual, and little-known cephalopod species. Enjoy!
19 Facts About Cephalopods
2023年7月13日 · From the intelligent and highly adaptable octopuses to the mesmerizing squids and cuttlefish, these marine animals possess an incredible array of features that set them apart from other creatures of the sea. In this article, we will delve into the world of cephalopods and uncover 19 intriguing facts about them.
What is a cephalopod? - Discover Wildlife
Cephalopods are an exclusively marine group comprising octopuses, cuttlefish, squids and nautiluses says Stuart Blackman.