Chaetodiadema

Chaetodiadema is a genus of sea urchins of the Family Diadematidae. Their armour is covered with spines.

List of species
Following World Register of Marine Species:
 * Chaetodiadema africanum H.L. Clark, 1924 -- South Africa
 * Chaetodiadema granulatum Mortensen, 1903 -- Indo-west Pacific
 * Chaetodiadema japonicum Mortensen, 1904 -- Japan
 * Chaetodiadema keiense Mortensen, 1939 -- Kei islands
 * Chaetodiadema pallidum A. Agassiz & H.L. Clark, 1907 -- Hawaii
 * Chaetodiadema tuberculatum H.L. Clark, 1909 -- South Australia