What Do Echinoderms Have In Common With Chordates?

What Do Echinoderms Have In Common With Chordates? Echinoderms and chordates are two closely-related groups of animals. They show bilateral symmetry at any stage of their life cycle. Therefore, they belong to the clade Bilataria. Also, both are deuterostomes whose blastopore develops into the anus. How are Echinoderms closely related to chordates? Echinoderms are the