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Hajdu, E.; van Soest, R.W.M.; Hooper, J.N.A. (1994). Proposal for a phylogenetic subordinal classification for poecilosclerid sponges. In: Van Soest, R.W.M., van Kempen, T.M.G., Braekman, J.C. (eds) Sponges in Time and Space. Biology, Chemistry, Paleontology. Balkema, Rotterdam, pp 123-139.