Deuterostomes Notochord Dorsal, hollow nerve cord Pharyngeal gill slits Muscular Postanal tail Phylum: Chordata.
O S _ _ _ _ _ _ _ _ _ _ _ _ T E I C H T H Y E S. Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Infraphylum: Gnathostomata Superclass:Osteichthyes.
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