Echinoidea

Sea urchins are a class in the phylum of echinoderms. The Echinoidea comprise about 950 known species. The scientific name is derived from the ancient Greek “echinos,” which means hedgehog.

Goniocidaris corona

Sea Urchin – Gracilechinus acutus

Diadema Urchin, Black Longspine Urchin, Porcupine Sea Urchin – Diadema setosum

Palmer’s Urchin, Fiery Sea Urchin, Palmer’s Sea Urchin – Diadema palmeri

Diadema clarki

Diadema Paucispinum – Diadema paucispinum

Banded Diadem Urchin – Diadema savignyi

Brissus gigas

Pincushion Hairy Urchin,Cake Sea Urchin, Sea Lamington – Tripneustes gratilla

Sanddollar – Sculpsitechinus auritus

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