Rützler, K. (2002). Family Placospongiidae Gray, 1867. Pp. 196-200. 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 + xvliii. ISBN 0-306-47260-0 (printed version).
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Rützler, K.
2002
Family Placospongiidae Gray, 1867. Pp. 196-200
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 + xvliii. 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