1. Arnesen E. Spongien von der norwegischen Küste. ii, Monaxonida: Halichondrina. Bergens Museum Åarbog. 1903;1–30, pls I–VII.
2. Baer L. Silicispongien von Sansibar, Kapstadt and Papeete (inaugural dissertation: Berlin). Arch Naturgesch. 1906;72(1, 1):1–32, pls I–V.
3. Bakus GJ, Nishiyama GK. Three species of toxic sponges from Cebu, Philippines (Porifera: Demospongiae). Proc Biol Soc Wash. 2000;113(4):1162–72.
4. Bergquist PR, Fromont PJ. The Marine Fauna of New Zealand: Porifera, Demospongiae, Part 4 (Poecilosclerida). NZ Oceanogr Inst Mem. 1988;96:1–197.
5. Bergquist PR, Warne KP. The Marine Fauna of New Zealand: Porifera, Demospongiae, Part 3 (Haplosclerida and Nepheliospongida). NZ Oceanogr Inst Mem. 1980;87:1–77.