Hydrozoa

== Translingual == === Etymology === From Ancient Greek ὕδωρ (húdōr, “water”) + ζῷον (zōîon, “animal”). === Proper noun === Hydrozoa A taxonomic class within the phylum Cnidaria – hydrozoa. ==== Hypernyms ==== (class): Eukaryota – superkingdom; Animalia – kingdom; Cnidaria – phylum ==== Hyponyms ==== (class): Hydroidolina, Trachylina – subclasses Anthoathecata, Gonoproxima, Siphonophorae, Leptothecata (in Hydroidolina); Actinulida, Limnomedusae, Narcomedusae, Trachymedusae (in Trachulina) – orders === References === Hydrozoa on Wikipedia.Wikipedia Hydrozoa on Wikispecies.Wikispecies Category:Hydrozoa on Wikimedia Commons.Wikimedia Commons Hydrozoa at the Tree of Life Web Project Ruggiero MA, Gordon DP, Orrell TM, Bailly N, Bourgoin T, Brusca RC, et al. (2015) A Higher Level Classification of All Living Organisms. PLoS ONE 10(4): e0119248. PMID 25923521, →DOI