@inbook{ERMS:SourceID:8967, author = {Muricy, G. and Diaz, M.C.}, note = {The PDF supplied here is a proof - NOT the definitive printed text - of a chapter of the Systema Porifera}, title = {Order Homosclerophorida Dendy, 1905. Family Plakinidae Schulze, 1880. pp. 71-82. In: Hooper, J.N.A.; van Soest, R.W.M. (Ed.) (2002) Systema Porifera: a guide to the classification of sponges(2 volumes). Kluwer Academic/Plenum, NY,1708 + XLVIII. ISBN 0-306-47260-0 (printed version)}, url = {https://marbef.org/data../aphia.php?p=sourcedetails&id=8967}, year = {2002} }