Van Soest, R.W.M.; Hooper, J.N.A. (2002). Order Haplosclerida Topsent, 1928. Pp. 831-832. In: Hooper, J.N.A. & Van Soest, R.W.M. (eds) Systema Porifera. Guide to the classification of sponges. 2 volumes. Kluwer Academic/ Plenum Publishers: New York, 1708 + xlviii. ISBN 0-306-47260-0 (printed version).
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Van Soest, R.W.M.; Hooper, J.N.A.
2002
Order Haplosclerida Topsent, 1928. Pp. 831-832. <i>In</i>: Hooper, J.N.A. & Van Soest, R.W.M. (eds) Systema Porifera. Guide to the classification of sponges. 2 volumes. Kluwer Academic/ Plenum Publishers: New York, 1708 + xlviii. 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
