coelenterate

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coelenterate

1. any invertebrate of the phylum Cnidaria (formerly Coelenterata), having a saclike body with a single opening (mouth), which occurs in polyp and medusa forms. Coelenterates include the hydra, jellyfishes, sea anemones, and corals
2. (loosely) any invertebrate of the phyla Cnidaria or Ctenophora
References in periodicals archive ?
carnivorous coelenterates such as anemones, or support the sessile stages of "jellyfish," such as Chrysaora quinquecirrha and Cyanea capillata.
Evolutionarily, they begin to appear with the Coelenterates.
Previous work by other scientists has demonstrated that coelenterazine, without the sulfate groups, is the substrate of the bioluminescence reaction of some coelenterates and a decapod shrimp.