Diadema palmeri
Underwater Photography of the long spined urchin Diadema palmeri by New Zealand Photojournalist and Underwater Photographer Richard Robinson.
Phylum: Echinodermata.
Subphylum: Echinozoa.
Class: Echinoidea.
Subclass: Euechinoidea .
Infraclass: Acroechinoidea.
Superorder: Echinacea.
Order: Diadematoida.
Family: Diadematidae.