Mah, Christopher L., McKnight, Donald G., Eagle, Michael K., Pawson, David L., Ameziane, Nadia, Vance, Doris J., Baker, Alan N., Clark, Helen E. S., and Davey, Nicola. 2009. "Phylum Echinodermata: sea stars, brittle stars, sea urchins, sea cucumbers, sea lilies." In New Zealand inventory of biodiversity. Gordon, Dennis P., editor. 371–400. Christchurch: Canterbury University Press.