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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 =
Gastropoda - Opisthobranchia - Architectibranchia - Family: Acteonidae



Genus: Maxacteon

Height 16mm, Width 9.5mm, Endemic
Northland to Mahia, and off Kapiti Island. In shell sand and dredged to at least 40 metres [ACE.]
Maxacteon flammeus (Bruguière, 1789) (=variegatus Bruguière)
Height 15mm, Width 9mm
Northland east coast. Poor Knights Islands 40 metres. Also Tonga [K.A]
Maxacteon hancocki (Rudman, 1971)
Height 6mm, Width 3.2mm, Endemic
North Island, Bay of Islands [AE.]
Maxacteon milleri (Rudman, 1971)
Height 20mm, Width 10mm, Endemic
Northland east coast to off East Cape [AE.]

Genus: Neactaeonina

Height 4.5mm, Width 2.2mm, Endemic
Off central North and South Islands. Off eastern Otago to Chatham Rise and Chatham Islands. Trawled 280-700 metres [FME.]

Genus: Pupa

Pupa affinis (A.Adams, 1855) (=kirki Hutton)
Height 19mm, Width 7.5mm
Northland to Cook Strait. Shallow to 200 metres [AC]
Pupa sulcata (Gmelin, 1791)
Length 25mm
Tropical Indo-West Pacific, Kermadec Islands [K.]

Genus: Tenuiactaeon

Tenuiactaeon ambiguus (Hutton, 1885)