Order Poecilosclerida Topsent, 1928. Pp. 403-408. In: Hooper, J.N.A.; Van Soest, R.W.M. (Eds.) (2002) Systema Porifera: a guide to the classification of sponges. (2 Volumes) Kluwer Academic/ Plenum Publishers: New York, Boston, Dordrecht, London, Moscow. 1708 + xvliii. ISBN 0-306-47260-0 (printed version). - Hooper, J.N.A.; Van Soest, R.W.M. (2002)