Fautin, Daphne G. Department of Ecology and Evolutionary Biology, University of Kansas, Lawrence, Kansas.
Oliver, William A., Jr. U.S. Geological Survey, Department of the Interior, Washington, DC.; Smithsonian Institution, Washington, DC.
Last reviewed:October 2019
- Defining characteristics
- Reproduction and development
- Fossil record and evolution
- Related Primary Literature
- Additional Reading
A class of phylum Cnidaria (formerly known as Coelenterata) whose members are marine, live exclusively as polyps, and occur as solitary individuals or in clonal or colonial groups. Most adult anthozoans are attached to a firm object or the sea bottom, but some burrow into soft sediments, and rare ones are planktonic. As is typical of cnidarians, sexual reproduction commonly gives rise to a planktonic larva, the planula, which metamorphoses to a polyp, usually when it settles onto the substratum. See also: Cnidaria
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