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See all on WikipediaCoelenterata is a term encompassing the animal phyla Cnidaria (coral animals, true jellies, sea anemones, sea pens, and their relatives) and Ctenophora (comb jellies). The name comes from Ancient Greek κοῖλος (koîlos) 'hollow', and ἔντερον (énteron) 'intestine', referring to the hollow body cavity common … See more
All coelenterates are aquatic, mostly marine, animals. The body form is radially symmetrical, diploblastic and does not have a coelom. The body has a single opening, the See more
The scientific validity of the term coelenterate is currently rejected, as the Cnidaria and Ctenophora have less in common than … See more
Wikipedia text under CC-BY-SA license Cnidarians, also known as coelenterates, are a group of marine animals with two body forms: polyp and medusa. They have a simple organization, stinging cells, a…
- cnidarian, any member of the phylum Cnidaria (Coelenterata), a group made up of more than 9,…
The phylum Cnidaria is made up of four classes: Hydrozoa (hydrozoans); Scyphozoa (scyphozoans); Anthozoa (anthozoans); and Cubozoa (cubozoans). All cnidarians share several attributes, supporting the theory that they had a single origin. Variety and symmetry of body for…
- cnidarian, any member of the phylum Cnidaria (Coelenterata), a group made up of more than 9,…
WEBFeb 21, 2019 · Coelenterata are aquatic, or marine organisms with two cell layers and radial symmetry. They are classified into three classes: Anthozoa, Hydrozoa and …
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WEBAug 3, 2023 · Learn about the characteristics, classification, and examples of Coelenterata, a phylum of diploblastic metazoa with nematocysts and a single gastrovascular cavity. Coelenterata include Hydrozoa, …
WEBMay 29, 2018 · Coelenterata is an alternative name for Cnidaria, a phylum of aquatic animals with a digestive cavity and a single opening. Learn more about …
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Anatomy of cnidarians | Britannica
WEBCnidarians, also known as coelenterates, are invertebrates with specialized stinging cells and two cell layers. They have either polyp or medusa body forms, or both, and feed on zooplankton and other prey.
WEBIn 1866 it was proposed that Cnidaria and Ctenophora were more closely related to each other than to Bilateria and formed a group called Coelenterata ("hollow guts"), because Cnidaria and Ctenophora both …
Coelenterata | SpringerLink
WEBCoelenterata is a phylum of invertebrates with radial symmetry, stinging cells, and tentacles. It includes the Cnidaria (such as corals, jellyfish, and sea anemones) and the …
Coelenterata | SpringerLink
WEBJan 1, 2014 · Coelenterata are radially symmetrical animals with a digestive tube and stinging cells. They include polyps and medusae, and are found in freshwater and …
Biology of Marine Cnidarians [Phylum Cnidaria (= Coelenterata)]
WEBFeb 1, 2020 · Learn about the anatomy, habitat, behaviour, reproduction and ecology of hydrozoans, scyphozoans, cubozoans and anthozoans, the four classes of cnidarians …
