Monograph on the British Fossil Echinodermata of the Oolitic

Monograph on the British Fossil Echinodermata of the Oolitic echinodermata Characteristics of Phylum Echinodermata Species · Spiny, bumpy skin · Five-sided radial symmetry · Presence of a water vascular system · Tube feet echinodermata Echinodermata The six thousand species of marine animals in the phylum Echinodermata are, like annelids, arthropods, chordates, and mollusks,

echinodermata ECHINODERMATA ❖ Echinos = หนาม Derma = ผิวหนัง ❖ Radial symmetry ในระยะตัวเต็มวัย ❖ Bil t l t ใ ั ❖ Bilateral symmetry ในระยะตัวอ อน

echinodermata Phylum Echinodermata: General characters and classification up to classes The phylum Echinodermata represents a relatively small group of unique, marine Etymology edit From Ancient Greek ἐχῖνος + δέρμα Proper noun edit Echinodermata