Dohrmann, Martin, Janussen, Dorte, Reitner, Joachim, Collins, Allen Gilbert, and Wörheide, Gert. 2008. "Phylogeny and Evolution of Glass Sponges (Porifera, Hexactinellida)." Systematic Biology. 57 (3):388–405. https://doi.org/10.1080/10635150802161088