Kelly, Michelle, and Carina Sim-Smith. 2012. “A Review of Ancorina, Stryphnus, and Ecionemia (Demospongiae, Astrophorida, Ancorinidae), With Descriptions of New Species from New Zealand Waters”. Zootaxa 3480 (1). Auckland, New Zealand:1–47. https://doi.org/10.11646/zootaxa.3480.1.1.