Hydrozoa

(redirected from hydrozoans)
Also found in: Thesaurus, Medical, Encyclopedia.
Related to hydrozoans: anthozoans, scyphozoans
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Hydrozoa - coelenterates typically having alternation of generationsHydrozoa - coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes
Cnidaria, Coelenterata, phylum Cnidaria, phylum Coelenterata - hydras; polyps; jellyfishes; sea anemones; corals
hydroid, hydrozoan - colonial coelenterates having the polyp phase dominant
genus Hydra - hydras
order Siphonophora, Siphonophora - marine colonial hydrozoans
genus Sertularia, Sertularia - sessile hydroid that forms feathery colonies
class - (biology) a taxonomic group containing one or more orders
References in periodicals archive ?
Limpet stomachs contained 78 taxa, including filamentous cyanobacteria, diatoms, brown and red algae, marine seagrass, foraminifera, hydrozoans, bryozoans, nematodes, bivalves, gastropods, crustaceans, and tunicates.
view/articleNo/10181/title/Hirohito--The-Late-Japanese-Emperor-Was-A-Dedicated-Marine-Biologist/) passion for marine biology -- the late emperor was particularly interested in primitive sea creatures called marine hydrozoans.
The Portuguese man o'war is actually a floating colony of closely related animals called hydrozoans.
Then there are two groups of close relatives--box jellies and hydrozoans (HIGH-druh-ZOH-unz).
Hydrozoans called Trachymedusae have diminutive bells and belong to the jet set.
The Portuguese man-of-war is not in fact a jellyfish, but a floating colony of closelyrelated animals called hydrozoans, normally found at the surface of the open ocean.