Mortensen 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.) Videnskabelige Meddelelser Naturh Foren Kjobenhavn, 79 1925: pp. 261-420