Family Rossellidae Schulze, 1885. pp. 1441-1505. In: Hooper, J. N. A. & Van Soest, R. W. M. (2002) Systema Porifera - A guide to the classification of sponges. (2 volumes) (Kluwer Academic/ Plenum Publishers: New York, Boston, Dordrecht, London, Moscow). 1708 + xvliii - Tabachnick, K.R. (2002)
The PDF supplied here is a proof - NOT the definitive printed text - of a chapter of the Systema Porifera