Literature

• Engel, H. 1939. Echinoderms from Aruba, Curaçao, Bonaire and northern Venezuela. Capita Zoologica VIII(4): 1-12.
• WoRMS. World Register of Marine Species. www.marinespecies.org. [link]

Literature references linked to higher taxa

• Humann, P. 1992. Reef Creature Identification. New World Publications. (Echinodermata)