Coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes. Synonym: class Hydrozoa.
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"Hydrozoa" Quotes from Famous Books ![]() ![]() — The Glories of Ireland • Edited by Joseph Dunn and P.J. Lennox |
Words linked to "Hydrozoa" : Siphonophora, phylum Cnidaria, hydroid, order Siphonophora, class, genus Sertularia, Sertularia, phylum Coelenterata, class Hydrozoa, Coelenterata, Cnidaria, genus Hydra |
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