Literature
- Borojevic, R., N. Boury-Esnault and J. Vacelet 1990. A revision of the supraspecific classification of the subclass Calcinea (Porifera, class Calcarea). Bull. Mus. natn. Hist. nat., Paris, (4) 12 (A,2): 243-276.
- Burton, M. 1963. A revision of the classification of the calcareous sponges. British Museum (Natural History), London. 693 pp.
- Haeckel, E. 1870. (1872). Die Kalkschwämme, eine Monographie. 3 vols. Reimer, Berlin.
- Poléjaeff, N. 1883. Report on the Calcarea dredged by H.M.S. Challenger during the years 1873-76. Res. Voy. Challenger, Zool., 24: 1-76.