Multi-volume works

Hooper, J.N.A. & van Soest, R.W.M. (eds.), 2002. Systema Porifera. A Guide to the Classification of Sponges. Kluwer Academic Publishers, New York, Sep 2002: 2 vols. i-xix, 1-1708, i-xlviii.

Articles

van Soest, R.W.M., 1981. A monograph of the order Pyrosomatida (Tunicata, Thaliacea). Journal of Plankton Research 3 (4): 603-631. ≡

van Soest, R.W.M. & Lehnert, H., 1997. The genus Julavis De Laubenfels, 1936 (Porifera: Halichondrida). Proc. Biol. Soc. Wash. 110(4): 502-510.

Hooper, J.N.A., van Soest, R.W.M. & Pisera, A., 2011. Phylum Porifera Grant, 1826. In Z.-Q. Zhang (ed.), Animal biodiversity. Zootaxa 3148, 23 Dec 2011: 13-18. ≡

Chapters

van der Land, J. & van Soest, R.W.M. (comps.), 2001. Thaliacea. In M.J. Costello, C.S. Emblow & R. White (eds.), European Register of Marine Species. Patrimoines naturels 50: 355-356.

van Soest, R.W.M. (comp.), 2001. Porifera. In M.J. Costello, C.S. Emblow & R. White (eds.), European Register of Marine Species. A check-list of the marine species in Europe and a bibliography of guides to their identification. Patrimoines naturels 50: 85-103.

Websites

van Soest, R.W.M., Boury-Esnault, N., Hooper, J.N.A., Rützler, K., de Voogd, N.J., Alvarez de Glasby, B., Hajdu, E., Pisera, A.B., Manconi, R., Schoenberg, C., Janussen, D., Tabachnick, K.R., Klautau, M., Picton, B., Kelly, M., Vacelet, J., Dohrmann, M., Díaz, M.-C. & Cárdenas, P. (eds.). World Porifera Database, 2004-present. ≡