@inbook{NARMS:SourceID:8987, author = {Sarà, M.}, note = {The PDF supplied here is a proof - NOT the definitive printed text - of a chapter of the Systema Porifera}, title = {Family Tethyidae Gray, 1848. Pp. 245-267. In: Hooper, J.N.A. & Van Soest, R.W.M. (2002). Systema Porifera – A Guide to the Classification of Sponges. (2 volumes). Kluwer Academic/Plenum, New York, 1708 + xvliii.}, url = {https://vliz.be/vmdcdata/narms/narms.php?p=sourcedetails&id=8987}, year = {2002} }