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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: Nystiellidae

Nystiellidae

 

Genus: Iphitus

 
Iphitus neozelanicus (Dell, 1956)
Height 3.3mm, Width 2.3mm
Cook Strait to Chatham Islands. Trawled from around 250-900 metres [CME.]
 

Genus: Murdochella

 
Murdochella alacer Finlay, 1926
Height 4.7mm, Width 1.6mm
Off North Cape and Northland [AE.]
 
Murdochella levifoliata (Murdoch & Suter, 1906)
Height 5.7mm, Width 1.6mm
Off North, South, Stewart, Chathams and Snares Islands [ACMAnE.]