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:Kroh, A. (2013). "Chaetodiadema Mortensen, 1903a" In: Kroh, A. & Mooi, R. (2013) World Echinoidea Database. 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 -- HawaiiChristopher Mah, "Hawaiian Deep Sea-Urchins : Below the Surface of a Tropical Paradise !", on Echinoblog, 10 August 2010. Chaetodiadema tuberculatum H.L. Clark, 1909 -- South Australia
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