Literature
- Lendenfeld, R. von 1889. A monograph of the horny sponges. London, 936 pp.
- Soest, R.W.M. van, J.C. Braekman, D.J. Faulkner, E. Hajdu, M.K. Harper and J. Vacelet 1996. The genus Batzella : a chemosystematic problem. Verh. Kon. Belgisch Inst. Natuurwet., 66, suppl.: 89-102.