Reference

Andreas Altnöder, Jens Michael Bohn, Ina-Maria Rückert, Enrico Schwabe (2007): The presumed shelled juvenile of the parasitic gastropod Entocolax schiemenzii Voigt, 1901 and its holothurian host Chiridota pisanii Ludwig, 1886 (Gastropoda, Entoconchidae - Holothuroidea, Chiridotidae) – Spixiana, Zeitschrift für Zoologie – 030: 187 - 199.