Echiuroinea

== Translingual == === Etymology === Echiurus +‎ -oinea === Proper noun === Echiuroinea A taxonomic order within the class Polychaeta – spoon worms. ==== Usage notes ==== Recent work, followed by ITIS, recategorizes Echiuroidea as Echiura, a subclass of class Sedentaria, within the Polychaeta. Ruggiero et al. and NCBI have followed a renaming of Echiuroidea as Echiuroinea. ==== Hypernyms ==== (order): Eukaryota – superkingdom; Animalia – kingdom; Bilateria – subkingdom; Protostomia – infrakingdom; Spiralia – superphylum; Annelida – phylum; Polychaeta – class; Echiura – subclass ==== Hyponyms ==== (order): Bonelliida, Echiurida – suborders Bonelliidae, Ikedidae; Echiuridae, Thalassematidae, Urechidae – families ==== Coordinate terms ==== (order): Heteromyota, Xenopneusta – orders === References === Echiuroidea on Wikipedia.Wikipedia Echiuroidea on Wikispecies.Wikispecies Category:Echiuroinea on Wikimedia Commons.Wikimedia Commons Echiuroinea at National Center for Biotechnology Information Echiuroidea at Integrated Taxonomic Information System. Echiuroinea at World Register of Marine Species 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