You have requested access to download the full text of the source (SourceID: 404294):
Van Soest, R.W.M. (2002 [2004]). Family Hymedesmiidae Topsent, 1928. Pp. 575-593. In: Hooper, J.N.A. & Van Soest, R.W.M. (eds). Systema Porifera, a guide to the classification of sponges. 2 volumes. Kluwer Academic / Plenum Publishers, New York. 1708 + xlviii. ISBN 978-1-4615-0747-5 (eBook electronic version).