Acanthodii

== Translingual == === Etymology === From acanthodes +‎ -ii. === Pronunciation === English: (US) IPA(key): /ˌæˌkænˈθoʊ.diˌaɪ/ === Proper noun === †Acanthodii A taxonomic class within the infraphylum Gnathostomata – an extinct class of spiny sharks. ==== Hyponyms ==== (class): †Acanthodiformes, †Climatiiformes, †Ischnacanthiformes - orders === References === Acanthodii on Wikipedia.Wikipedia Acanthodii on Wikispecies.Wikispecies Category:Acanthodii on Wikimedia Commons.Wikimedia Commons