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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
E =
Endemic
I =
Introduced
Gastropoda - Caenogastropoda - Hypsogastropoda - Family: Tornidae

Tornidae

 

Genus: Tornus

 
Tornus aupouria (Powell, 1937)
Height 1.6mm, Width 1.5mm, Endemic
Off Three Kings Islands [AE.]
 
Tornus maoria (Powell, 1937)
Height 1.5mm, Width 2.0mm, Endemic
Off Three Kings Islands [AE.]
 

Tornidae: Vitrinellinae

 

Genus: Cochliolepis

 
Height 0.49mm, Width 1.08mm, Endemic
North and South Islands [ACFE.]
 

Genus: Elachorbis

 
Elachorbis diaphana Finlay, 1924
Height 0.4mm, Width 0.75mm, Endemic
Foveaux Strait, from Bluff oyster scrapings [FE.]
 
Elachorbis subtatei (Suter, 1907)
Height 1.5mm, Width 2.5mm, Endemic
Northland to Snares Islands [ACFAnE.]
 

Genus: Scrupus

 
Scrupus hyalinus (Odhner, 1924)
Height 2mm, Width 1.3mm, Endemic
Off Three Kings Islands, off Poor Knights Islands, Colville Channel, also Chatham Islands [AME.]
 
Scrupus uniliratus Powell, 1931
Endemic
Off West Coast Auckland, to Otago [CFMAnE.]