Pterobranchia

== Translingual == === Etymology === (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.) === Proper noun === Pterobranchia A taxonomic class within the phylum Hemichordata – small worm-shaped animals living in secreted tubes on the ocean floor. ==== Hypernyms ==== (class): Eukaryota – superkingdom; Animalia – kingdom; Bilateria – subkingdom; Deuterostomia – infrakingdom; Hemichordata – phylum ==== Hyponyms ==== (class): Cephalodiscida, Rhabdopleurida - orders === References === Pterobranchia on Wikipedia.Wikipedia Pterobranchia on Wikispecies.Wikispecies Category:Pterobranchia on Wikimedia Commons.Wikimedia Commons 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