2 literature references for Dendrilla acantha Vacelet, 1958:

Author: Van Soest, R.W.M.
Year: 2001
Title: Porifera, in: Costello, M.J. et al. (Ed.) (2001).
Source: European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50:
Author: Lévi, C.
Year: 1960
Title: Spongiaires des côtes occidentales africaines.
Source: Bulletin de l’Institut français d’Afrique noire (A, Sciences naturelles) 22(3): 743-769.