Mortensen, T. (1925). Echinoderms of New Zealand and the Auckland -Campbell Islands. III-V. : Asteroidea, Holothurioidea and Crinoidea. (Papers from Dr. Th. Mortensen's Pacific Expedition 1914-16. XXIX. ). Vid. Medd. nat. For. Kjfbenhavn 79: pp. 261-420.