Atlantic Purple Sea Urchin
Paracentrotus lividus
Black Longspine Urchin
Diadema setosum
Black sea urchin
Arbacia lixula
Eccentric Sand Dollar
Dendraster excentricus
Indo-Pacific Rock-boring Urchin
Echinometra mathaei
Pacific Purple Sea Urchin
Strongylocentrotus purpuratus
Violet Sea Urchin
Sphaerechinus granularis
Banded Sea Urchin
Echinothrix calamaris
Blue-spotted Urchin
Astropyga radiata
Imperial Lance Urchin
Phyllacanthus imperialis
Red Pencil Urchin
Heterocentrotus mamillatus
Sea Potato
Echinocardium cordatum
Slate pencil urchin
Heterocentrotus trigonarius
Bald-patch Urchin
Microcyphus rousseaui
Elegant Sea Urchin
Arbaciella elegans
Flower Urchin
Toxopneustes pileolus
Hatpin Urchin
Centrostephanus longispinus
Long-Spine Slate Pen Sea Urchin
Cidaris cidaris
Purple Heart Urchin
Spatangus purpureus
Red Sea Fire Urchin
Asthenosoma marisrubri
Collector Urchin
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