Some members of this phylum possess pincer-like pedicellariae, and those species also possess a madreporite plate and a ring canal. A calcium carbonate material called stereom forms skeletal plates in
Some members of this phylum possess pincer-like pedicellariae, and those species also possess a madreporite plate and a ring canal. A calcium carbonate material called stereom forms skeletal plates in organisms of this phylum, some members of which possess spines and a mouth called "Aristotle's Lantern". Classes in this phylum include (*) crinoidea and asteroidea, and members of it possess a water vascular system and tube feet for locomotion. Adult members of this phylum typically exhibit five-way radial symmetry. For ten points, name this phylum of animals that includes sea urchins and starfish.
Some members of this phylum possess pincer-like pedicellariae, and those species also possess a madreporite plate and a ring canal.
{echinodermata} (accept {echinoderms})