Hooper, J.N.A.; Van Soest, R.W.M. (2002). Class Demospongiae Sollas, 1885. Pp. 15-18. 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, Boston, Dordrecht, London, Moscow). ISBN 0-306-47260-0 (printed version).
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Hooper, J.N.A.; Van Soest, R.W.M.
2002
Class Demospongiae Sollas, 1885. Pp. 15-18. <i>In:</i> Hooper, J.N.A.; van Soest, R.W.M. (Eds.) <i>Systema Porifera: a guide to the classification of sponges</i>. (2 Volumes). Kluwer Academic/ Plenum Publishers: New York, Boston, Dordrecht, London, Moscow).
ISBN 0-306-47260-0 (printed version)
Publication
The PDF supplied here is a proof - NOT the definitive printed text - of a chapter of the Systema Porifera
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