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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 - Caenogastropoda - Ptenoglossa - Family: Triphoridae

Triphoridae: Triphorinae


Genus: Bouchetriphora

Bouchetriphora pallida (Pease, 1870) (=infelix Webster)
Height 8mm, Width 2mm, Sinistral
Upper and central North Island [K.AC]

Genus: Cautor

Cautor lutea (Suter, 1908)
Height 7mm, Width 2.25mm, Endemic
South Island, Stewart Island, Snares, Auckland and Bounty Islands [FAnE.]

Genus: Coriophora

Coriophora granosa (Pease, 1870)
Kermadec Islands. Off Cape Brett [K.A]

Genus: Iniforis

Iniforis sp. cf. chaperi (Jousseaume, 1884)
Kermadec Islands [K.]

Genus: Mastonia

Kermadec Islands [K.]

Genus: Monophorus

Monophorus fascelinus (Suter, 1908)
Height 6mm, Endemic. Sinistral
North, South and subantarctic Islands [ACFAnE.]

Genus: Nototriphora

Nototriphora aupouria (Powell, 1937)
Height 4mm, Width 1.5mm, Endemic. Sinistral
Off Three Kings Islands, Northland to Cook Strait [K.AE.]

Genus: Sagenotriphora

Sagenotriphora ampulla (Hedley, 1902)
Height 5mm, Width 1.75mm, Sinistral
North Island. Also New South Wales [K.AC]

Genus: Subulophora

Subulophora rutilans (Hervier, 1897)
Kermadec Islands [K.]

Genus: Teretriphora

Teretriphora huttoni (Suter, 1908)
Height 5mm, Width 1.5mm, Endemic. Sinistral
Southern South Islands. Stewart, Chatham, Snares and Bounty Islands [FMAnE.]

Genus: Viriola

Viriola cancellata (Hinds, 1843)
Kermadec Islands [K.]
Kermadec Islands [K.]
Kermadec Islands [K.]

Triphoridae: Metaxiinae


Genus: Metaxia

Metaxia duplicarinata (Powell, 1940)
Height 4mm, Endemic
Northland East Coast to Three Kings Islands [AE.]
Metaxia exaltata (Powell, 1930)
Kermadec Islands. North Island to Cook Strait [K.ACE.]
Metaxia kermadecensis Marshall, 1977
Height 4.2mm, Endemic
Kermadec Islands, 22-27 metres [K.E.]
Metaxia maoria Finlay, 1930
Height 4.5mm, Width 1.2mm, Endemic
Three Kings Islands to East Cape [ACE.]
Metaxia solitaria Marshall, 1979
Height 5.6mm, Diameter 1.5mm, Endemic
NW of Three Kings Islands [AE.]