Manuel, M.; Borojevic, R.; Boury-Esnault, N.; Vacelet, J. (2002). Class Calcarea Bowerbank, 1864, in: Hooper, J.N.A.; Van Soest, R.W.M. (Ed.) (2002). Systema Porifera: a guide to the classification of sponges. pp. 1103-1110
9087
Publication
The PDF supplied here is a proof - NOT the definitive printed text - of a chapter of the Systema Porifera
