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Dohrmann, M.; Göcke, C.G.; Janussen, D.; Reitner, J.; Lüter, C.; Wörheide, G. 2011. Systematics and spicule evolution in dictyonal sponges (Hexactinellida: Sceptrulophora) with description of two new species. Zoological Journal of the Linnean Society 163: 1003-1025.