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 — Lectures and Essays • T.H. Huxley |
Words linked to "Hydrozoa" : order Siphonophora, genus Hydra, class, Sertularia, phylum Cnidaria, genus Sertularia, phylum Coelenterata, Coelenterata, Cnidaria, hydroid, Siphonophora |
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