Echinodermata , class: Ophiuroidea (brittlestars

echinodermata  Echinodermata ) from the Champlainian Guttenberg Forma- tion of the Upper Mississippi Valley Region J Paleontol 5 : 631-653 Etymology edit From Ancient Greek ἐχῖνος + δέρμα Proper noun edit Echinodermata

The Echinodermata are the most closely related invertebrates to humans The word echinoderm means “spiny skin” and it is an apt description for Characteristics of Echinodermata · Habitat: Echinoderms live in marine habitats · Body Structure: The body shape of the echinoderms varies

ECHINODERMATA ❖ Echinos = หนาม Derma = ผิวหนัง ❖ Radial symmetry ในระยะตัวเต็มวัย ❖ Bil t l t ใ ั ❖ Bilateral symmetry ในระยะตัวอ อน  Echinodermata and deuterostome invertebrates The Natural History Museum holds a significant collection of deuterostome invertebrates, of which about 10%