Hooper, J.N.A.; Van Soest, R.W.M. (2002 (2004)). Class Demospongiae Sollas, 1885. Pp. 15-18. In: Hooper, J.N.A.; van Soest, R.W.M. (Eds.) Systema Porifera: a guide to the classification of sponges. (2 Volumes). Kluwer Academic/ Plenum Publishers: New York, Boston, Dordrecht, London, Moscow). 1708+xvliii. ISBN 978-1-4615-0747-5 (eBook electronic version).
404805
Hooper, J.N.A.; Van Soest, R.W.M.
2002 (2004)
Class Demospongiae Sollas, 1885. Pp. 15-18. <i>In:</i> Hooper, J.N.A.; van Soest, R.W.M. (Eds.) <i>Systema Porifera: a guide to the classification of sponges</i>. (2 Volumes). Kluwer Academic/ Plenum Publishers: New York, Boston, Dordrecht, London, Moscow).
1708+xvliii. ISBN 978-1-4615-0747-5 (eBook electronic version)
Publication
Beware that there are several chapters erroneoulsy altered from the printed version (e.g. Dendoricellidae, Euplectellidae).
