Echinoidea

Phyllacanthus imperialis. North Direction Island. 13m. Eucidaris metularia. Lizard Island. 18m. Heterocentrotus mammillatus. Zanpa, Okinawa. 2m. Echinothrix calamaris. Iriomote. Paracentrotus lividus. Intertidal Zone. Les Sables d'Olonne, France. Toxopneustes pileolus. Okinawa. 5m. Japan. Echinometra viridis, St Martin, 1 m Astropyga radiata, Papua New Guinea Pyrmnaster investigatoris, Papua New Guinea
Sea urchins

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