Kelly, M. and Sim-Smith, C. 2012. A review of Ancorina, Stryphnus, and Ecionemia (Demospongiae, Astrophorida, Ancorinidae), with descriptions of new species from New Zealand waters. Zootaxa. 3480, 1 (Sep. 2012), 1–47. DOI:https://doi.org/10.11646/zootaxa.3480.1.1.