Subclassis Calcaronea

Literature

• Bidder, G.P. 1898. The skeleton and classification of calcareous sponges. Proc. R. Soc. London, 64: 61-76.
• Borojevic, R., N. Boury-Esnault and J. Vacelet, unpublished. Definitions of Calcarea. 15 pp. .