Also found in: Thesaurus, Medical, Encyclopedia.
Related to anthozoan: class Anthozoa


Any of numerous cnidarians of the class Anthozoa, including the corals and sea anemones, that grow singly or in colonies and live as polyps, without a medusa stage.

an′tho·zo′an, an′tho·zo′ic (-zō′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Animals) any of the solitary or colonial sessile marine coelenterates of the class Anthozoa, including the corals, sea anemones, and sea pens, in which the body is in the form of a polyp
(Zoology) Also: actinozoan of or relating to the class Anthozoa
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌæn θəˈzoʊ ən)

1. any sessile solitary or colonial marine polyp of the class Anthozoa, lacking a medusa stage, and including corals, sea anemones, and sea pens.
2. Also, an`tho•zo′ic. belonging or pertaining to the anthozoans.
[1885–90; < New Latin Anthozo(a) (see antho-, -zoa) + -an1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.anthozoan - sessile marine coelenterates including solitary and colonial polypsanthozoan - sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressed
cnidarian, coelenterate - radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms
Actinozoa, Anthozoa, class Actinozoa, class Anthozoa - a large class of sedentary marine coelenterates that includes sea anemones and corals; the medusoid phase is entirely suppressed
sea anemone, anemone - marine polyps that resemble flowers but have oral rings of tentacles; differ from corals in forming no hard skeleton
sea pen - fleshy featherlike warm-water colonies
coral - marine colonial polyp characterized by a calcareous skeleton; masses in a variety of shapes often forming reefs
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Although this study did not include confirmation of infection by ISH or other microscopical methods, the authors conducted proximity experiments using three of the positive invertebrates: anthozoan, polychaete, and echinoderm.
All specimens of black corals were distinguished from other anthozoan cnidarians found on the videos due to the dark color of the skeleton, where visible, and the branch morphology.
They include maize for basic and applied research in plant biology, the Dioscorea true yams as a biological and evolutionary link between eudicots and grasses, the starlet sea anemone Nematostella vectenis as an anthozoan model organism for studying comparative genomics and functional evolutionary biology, ants as models for social complexity, the parasitoid wasp Nasonia for haploid male genetics, and the rabbit Oryctolagus cuniculus for mammalian reproduction and early embryology.
The epiplanktic anthozoan, Kolihaia eremita Prantl, 1946 (Cnidaria), from the Silurian of the Prague Basin (Bohemia).
(bivalve: 11.4%), Synodus luciocepsis (teleost: 5.8%), Neverita lewisii egg cases (gastropod: 5.1 %), Stylatula elongata (anthozoan: 5.1 %), infaunal Ophiuroidea (4.1%), Adelgorgia phylloscellara (gorgonian: 3.6%), and Cancrid crabs (2.4%).
During diving sessions, the microhabitats occupied by each hermit crab were recorded (e.g., on rocks or anthozoan colonies, crevices, fissures, cavities, and rocky/sand interface) to increase our information about the ecological distribution of these species.
The anthozoan Ceriantheopsis americanus possesses mechanoreceptive cilia in conjunction with its epidermal musculature (Peteya, 1973).
These interactions, in particular, be tween anthozoan cnidarians (e.g., corals and sea anemones) and dinoflagellates of the genus Symbiodinium, underpin the existence and success of coral reef ecosystems (Little et al.