Phylum-Echinodermata

Phylum-Echinodermata

Phylum-Echinodermata The members of Phylum Echinodermata are exclusively marine animals, till now these are not found as terrestrial or freshwater. About seven thousand living species are included in this phylum. The adults are recognizable by their radial symmetry. The Phylum includes starfish, sea urchins, sand dollars, and sea cucumbers, as Read more…

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