@inbook{ERMS:SourceID:9046, author = {Alvarez, B. and Hooper, J.N.A.}, note = {The PDF supplied here is a proof - NOT the definitive printed text - of a chapter of the Systema Porifera}, title = {Family Axinellidae Carter, 1875. Pp. 724-747. In: Hooper, J.N.A. & Van Soest, R.W.M. (ed.) Systema Porifera. A guide to the classification of sponges. Kluwer Academic/ Plenum, NY. 1708 + xlviii. }, url = {https://www.marbef.org/data/aphia.php?p=sourcedetails&id=9046}, year = {2002} }