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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 - Neogastropoda - Family: Columbellidae

Columbellidae: Columbellinae

 

Genus: Euplica

 
Euplica varians (G.B.Sowerby I, 1832)
Kermadec Islands [K.]
 

Columbellidae: Atiliinae

 

Genus: Antimitrella

 
Antimitrella laxa Powell, 1937
Height 2mm, Endemic
Off Three Kings Islands [AE.]
 

Genus: Aoteatilia

 
Aoteatilia acicula (Suter, 1908)
Height 3.5mm, Endemic
South Island. Foveaux Strait and Snares Islands. Also recently recorded from the Chatham Islands [FMAnE.]
 
Aoteatilia amphipsila (Suter, 1908)
Height 3.5mm, Endemic
Off Snares Islands, 110 metres [AnE.]
 
Aoteatilia larochei Powell, 1940
Length 3.5mm, Endemic
Northland to Mahia [ACE.]
 
Aoteatilia psila (Suter, 1908)
Height 6mm, Width 2.5mm, Endemic
Off Three Kings Islands and Northland [AE.]
 
Aoteatilia substriata (Suter, 1899)
Height 5.5mm Width 2.25mm, Endemic
Foveaux Strait and Stewart Island [FE.]
 
Height 6mm, Width 2mm, Endemic
Off Snares Islands 90 metres [AnE.]
 

Genus: Exomilopsis

 
Exomilopsis hipkinsi Powell, 1964
Height 9.5mm, Width 2.8mm, Endemic
Far North and off Three Kings Islands, and Ranfurly Bank, East Cape [AE.]
 

Genus: Liratilia

 
Liratilia compta Powell, 1930
Height 5mm, Width 2.2mm, Endemic
Northland east coast to Mahia [ACE.]
Liratilia conquisita (Suter, 1907) (=angulata Suter)
Height 7mm, Width 3mm, Endemic
Off Three Kings Islands to Foveaux Strait, and Snares Islands [ACFAnE.]
Height 3mm, Width 1.2mm, Endemic
Off Chatham Islands 230 metres [ME.]
 
Endemic
Off Awanui Heads [AE.]
 
Liratilia elegantula Powell, 1937
Height 4.6mm, Width 1.75mm, Endemic
Off Three Kings Islands [AE.]
 
Liratilia isolata Dell, 1956
Height 5mm, Endemic
Off Chatham Islands 230 metres [ME.]
 
Liratilia sinuata Powell, 1937
Height 6mm, Endemic
Off Three Kings Islands and Northland [AE.]
 
Liratilia subnodosa Powell, 1934
Height 7mm, Width 3mm, Endemic
Northland [AE.]
 

Genus: Macrozafra

 
Macrozafra cophinodes (Suter, 1908)
Height 7mm, Width 3.1mm, Endemic
Off Snares and Antipodes Islands [AnE.]
 
Macrozafra enwrighti Powell, 1940
Height 3.6mm, Width 2mm, Endemic
Northland [AE.]
 
Macrozafra mariae Powell, 1940
Height 8.5mm, Width 4mm, Endemic
Northland [AE.]
 
Macrozafra nodicincta (Suter, 1899)
Height 7.5mm, Width 3mm, Endemic
North and South Island, to Foveaux Strait [ACFE.]
 
Macrozafra subabnormis (Suter, 1889)
Height 7mm, Width 3mm, Endemic
Northland to Cook Strait, Fiordland and Chatham Islands in shallow water [ACME.]
Macrozafra vivens (Powell, 1934)
Height 12mm, Width 5mm, Endemic
Northland to East Cape [AE.]

Genus: Mitrella

 
Mitrella ligula (Duclos, 1840)
Kermadec Islands [K.]
 

Genus: Paxula

 
Paxula allani Finlay, 1928
Height 7mm, Width 3mm, Endemic
Chatham Islands [ME.]
 
Paxula leptalea (Suter, 1908)
Height 4.5mm, Width 1.8mm, Endemic
Off Bounty and Campbell Islands [AnE.]
 
Paxula paxillus (Murdoch, 1905)
Height 6mm, Width 2.5mm, Endemic
North, South, Stewart, Chatham and Auckland Islands [ACFE.]
 
Paxula subantarctica (Suter, 1908)
Height 6mm, Width 2.5mm, Endemic
Off Bounty and Auckland Islands [AnE.]
 
Height 7mm, Width 3mm, Endemic
Campbell Island [AnE.]
 
Paxula transitans (Murdoch, 1905)
Endemic
Southland, Stewart, Snares and Bounty Islands [FAnE.]
 

Genus: Zafra

 
Zafra fuscolineata Oliver, 1915
Endemic
Kermadec Islands [K.E.]
 
Zafra kermadecensis Oliver, 1915
Endemic
Kermadec Islands [K.E.]
 

Genus: Zemitrella

 
Zemitrella annectens Powell, 1937
Height 3mm, Width 1.2mm, Endemic
Off Three Kings Islands [AE.]
 
Zemitrella attenuata Powell, 1940
Height 4.5mm, Width 1.6mm, Endemic
Off Three Kings Islands [AE.]
 
Height 4.5mm, Width 2.2mm, Endemic
Off eastern Otago, Karitane Canyon [FE.]
 
Zemitrella choava (Reeve, 1859)
Height 6.5mm, Width 3mm, Endemic
North, South and Stewart Island. Also Kermadec Islands [K.ACFE.]
 
Height 7.5mm, Width 3.3mm, Endemic
Cook Strait and South Island. Taiaroa Canyon, NE of Otago Peninsula, trawled in 550 metres [FE.]
 
Zemitrella daemona (Webster, 1906)
Height 6mm, Width 2mm, Endemic
Off Northland to Bay of Plenty [AE.]
 
Zemitrella fallax Powell, 1940
Height 3mm, Width 1.5mm, Endemic
Northland to Mahia [ACE.]
 
Zemitrella finlayi Powell, 1933
Height 4mm, Width 1.7mm, Endemic
Chatham Islands [ME.]
 
Zemitrella laevigata (Duter, 1908)
Height 4mm, Width 1.8mm, Endemic
Northland to East Cape [AFE.]
 
Height 4mm, Width 2mm, Endemic
Off Three Kings Islands [AE.]
 
Height 3.3mm, Width 1.3mm, Endemic
Far North and Ranfurly Bank [AE.]
 
Height 6.5mm, Width 2.7mm, Endemic
Northland to Bay of Plenty [ACE.]
 
Zemitrella regis Powell, 1940
Height 3.7mm, Width 1.8mm, Endemic
Off Three Kings Islands in 250 metres [AE.]
 
Zemitrella rosea (Hutton, 1873)
Height 6mm, Width 3mm, Endemic
Cook Strait southwards and southern islands [CFAnE.]
 
Zemitrella sericea Powell, 1937
Height 3.5mm Width 1.5mm, Endemic
Off Three Kings Islands [AE.]
 
Height 7.5mm, Width 3.7mm, Endemic
Northland to Mahia [ACE.]
 
Zemitrella sulcata (Hutton, 1873)
Height 9mm, Width 4mm, Endemic
South Island, from Cook Strait south to Snares and Auckland Island [FE.]
 
Height 9mm, Width 4mm, Endemic
Auckland Islands [AnE.]
 
Zemitrella turgida Powell, 1937
Height 4.3mm, Width 2.4mm, Endemic
Off Three Kings Islands [AE.]
 
Zemitrella websteri (Suter, 1913)
Height 3mm, Width 1mm, Endemic
Northland. Off Great Barrier Island [AE.]
 
Height 3.5mm, Width 1.4mm, Endemic
Northland. Wainui Bay, Whangaroa, in shell sand [AE.]