
Slate Pencil Sea Urchins, Long Spined Sea Urchin, Hatpin Urchins, Black Sea Urchin, Mine Urchins
Heterocentrotus mammillatus, trigonarius, Diadema setotsum, Diadema, Echinothrix diadema, Eucidaris
Heterocentrotus mammillatus, trigonarius, Diadema setotsum, Diadema, Echinothrix diadema, Eucidaris