Beu, A.G., Bouchet, P., Tröndlé, J. 2012 Tonnoidean gastropods of French Polynesia, Molluscan Research, 32(2) (p.82)
Beu, A.G. 2008 Recent deep-water Cassidae of the world. A revision of Galeodea, Oocorys, Sconsia, Echinophoria and related taxa, with new genera and species (Mollusca, Gastropoda). In Héros, V., Cowie, R.H. & Bouchet, P. (eds), Tropical Deep-Sea Benthos 25, Mémoires du Muséum National d'Histoire Naturelle, 196 (p.348)
Key to Geographical Ranges
The symbols K.A.C.F.M.An. are used to indicate the geographical range of the species.
They have been adopted to give an approxomation of the range of each species within New Zealand.
Aupourian - Kaipara Harbour, north around North Cape, encompassing the Three Kings Islands and south to East Cape
Cookian - Lower North Island and the northern part of the South Island