vertebrates phylum

Are Fish Deuterostomes Or Protostomes? Most of the deuterostomes belong to one of two groups that include the majority of its members — the echinoderms (the spiny skinned starfish, sea urchins, and their relatives) and the chordates (which include fish and other vertebrates). Are bony fish deuterostomes? The vertebrates, in turn, comprise the sharks, bony