@inbook{ERMS:SourceID:8989, author = {Hooper, J.N.A. and Van Soest, R.W.M.}, note = {The PDF supplied here is a proof - NOT the definitive printed text - of a chapter of the Systema Porifera}, title = {Family Trachycladidae Hallmann, 1917. Pp. 268-274. In: Hooper, J.N.A.; van Soest, R.W.M. (Eds.) (2002) Systema Porifera: a guide to the classification of sponges. (2 Volumes) Kluwer Academic/ Plenum Publishers: New York, Boston, Dordrecht, London, Moscow. 1708 + xvliii. }, url = {http://marbef.org/data/aphia.php?p=sourcedetails&id=8989}, year = {2002} }