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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.
K=
Kermadec Islands
A=
Aupourian - Kaipara Harbour, north around North Cape, encompassing the Three Kings Islands and south to East Cape
C=
Cookian - Lower North Island and the northern part of the South Island
F=
Forsterian - Otago, Fiordland and Stewart Island
M=
Moriorian - Chatham Islands, Pitt Island
An=
Antipodean - Subantarctic Islands of New Zealand
FW =
Freshwater
L =
Land
N =
North Island
S =
South Island
E =
Endemic
I =
Introduced
Gastropoda - Caenogastropoda - Ptenoglossa - Family: Newtoniellidae

Newtoniellidae

 

Genus: Trituba (Granulotriforis)

 
Height 9.1mm, Diameter 2.2mm
Three Kings Islands, 622-805 metres [AE.]
 
Height 23.0mm, Diameter 4.5mm
Three Kings Islands, 102-805 metres [AE.]
 
Height 8.7mm, Diameter 2.1mm
Three Kings Islands, 805 metres [AE.]
 
Height 5.35mm, Diameter 1.3mm
Three Kings Islands, 252-805 metres [AE.]
 

Genus: Trituba (Paramendax)

 
Height 5.15mm, Width 1.3mm
Off Three Kings Islands and Bay of Islands, 46-805 metres [AE.]
 
Height 8.6mm, Diameter 1.6mm
Off Three Kings Islands [AE.]
 

Newtoniellidae: Adelacerithiinae

 

Genus: Adelacerithium

 
Adelacerithium mirabile Marshall, 1984
Height 15mm
Ranfurly Bank, off East Cape [AE.]