Deuterostomia
Table of contents 1 Synonyms and common names 2 References 3 Text 4 Children Synonyms and common names References Text Deuterostomes are those animals with complete digestive system in which the anus forms before the mouth. Children Phylum Chaetognatha Phylum Echinodermata (starfish, sea urchins, sea cucumbers, etc) Phylum Hemichordata Phylum Chordata (vertebrates and their kin)