Chambered Nautilus, Marine, Occasionally washes ashore on northern beaches. Compared to N. pompilius, macromphalus has a deep umbilicus
References and Publications
Reid, A., Wilson, N.G. 2015 Octopuses of the Kermadec Islands: Discovery and description of a new member of the Octopus ‘vulgaris’ complex (O. jollyorum, sp. nov.) and the first description of a male Callistoctopus kermadecensis (Berry, 1914), Bulletin of the Auckland Museum, 20 (p.351)
Jereb, P., Roper, C.F.E. 2005 Cephalopods of the World: An Annotated and Illustrated Catalogue of Cephalopod Species Known to Date. Chambered Nautiluses and Sepioids (Nautilidae, Sepiidae, Sepiolidae, Sepiadariidae, Idiosephiidae and Spirulidae), FAO Species Catalogue for Fishery Purposes, FAO, Rome, Italy, 4(1) (p.53)
Powell, A.W.B. 1979New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.439)
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