@inbook{ERMS:SourceID:9119, author = {Reiswig, H.M.}, note = {The PDF supplied here is a proof - NOT the definitive printed text - of a chapter of the Systema Porifera}, title = {Order Lyssacinosida Zittel, 1877. p. 1387. In: Hooper, J.N.A. & van Soest, R.W.M. (ed.) Systema Porifera. A guide to the classification of sponges . (2 volumes). Kluwer Academic/Plenum, NY, 1708 + xvliii. ISBN 0-306-47260-0 (printed version).}, url = {http://www.marbef.org/data/aphia.php?p=sourcedetails&id=9119}, year = {2002} }