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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 - Hypsogastropoda - Family: Pterotracheidae

Pterotracheidae

 

Genus: Firoloida

 
Firoloida desmaresti Lesueur, 1817
North & central [AC]
 

Genus: Pterotrachea

 
Pterotrachea coronata Forsskål, 1775
Length 320mm
N of Otago [F]
 
Pterotrachea scutata Gegenbaur, 1855
North & central [AC]