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.
- Borojevic, R., N. Boury-Esnault and J. Vacelet, unpublished. Definitions of Calcarea. 15 pp. .
- Bowerbank, J.S. 1864. A monograph of the British Spongiadae.I. Ray Soc., London: i-xx, 1-290, 37 pls.