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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.
Kermadec Islands
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
Forsterian - Otago, Fiordland and Stewart Island
Moriorian - Chatham Islands, Pitt Island
Antipodean - Subantarctic Islands of New Zealand
FW =
L =
E =
I =

Nautilus macromphalus G.B.Sowerby II, 1849

Classification:Mollusca (Phylum) > Cephalopoda (Class) > Nautiloidea (Subclass) > Nautilida (Order) > Nautilidae (Family) > Nautilus (Genus)
Distribution:Far North
Geographical Range:[A]
Chambered Nautilus. 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. 1979: New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.439)

Note: Localities are approximate, and represent only some of the known localities for the species.