Which invertebrates are also deuterostomes?

Invertebrates that are also deuterostomes include echinoderms and hemichordates. Echinoderms, such as starfish and sea urchins, are characterized by their radial symmetry and a water vascular system. Hemichordates, which include acorn worms and pterobranchs, share some developmental characteristics with chordates. Both groups exhibit the deuterostome embryonic development pattern, where the anus forms before the mouth.