Sweeney, M.J., Roper, C.F.E., Mangold, K.M., Clarke, M.R., Boletzy, S.V. 1992 'Larval' and juvenile cephalopods: A manual for their identification, Smithsonian Contributions to Zoology, 513 (p.88)
Roper, C.F.E., Sweeney, M.J., Nauen, C.E. 1984 Food and Agriculture Organization Species Catalogue: Volume 3. Cephalopods of the World. An Annotated and Illustrated Catalogue of Species of Interest to Fisheries, FAO Species Catalogue for Fishery Purposes, FAO, Rome, Italy, 125(3) (p.180)
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 approximation 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