ECHINODERMATA GENERAL CHARECTERS

echinodermata  The features of echinodermata are as follows: These are aquatic only species Bilateral symmetry of the larval forms, and radial symmetry of the adult forms Is Echinodermata The six thousand species of marine animals in the phylum Echinodermata are, like annelids, arthropods, chordates, and mollusks,

echino มาจากคำว่า ekhinos spiny แปลว่า ขรุขระ dermata มาจากคำว่า derma skin แปลว่า ผิว,ชั้น เนื่องจาก สัตว์ในไฟลัมนี้มีผิวที่แหลมคมหรือขรุขระ Echinodermata เป็น Phylum echinodermata is the only animal phylum with 5-point symmetry and includes sea stars, sand dollars, urchins, crinoids, and sea cucumbers

Echinodermata The six thousand species of marine animals in the phylum Echinodermata are, like annelids, arthropods, chordates, and mollusks, Note: Echinodermata was a pre-Linnaean taxon that comprised animals of the present-day class Echinoidea The name Echinodermata, those having hedgehog-like