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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 - Heterobranchia - Family: Hyalogyrinidae

Hyalogyrinidae

 

Genus: Hyalogyra

 
Hyalogyra expansa Marshall, 1988
Width 2.6mm, Height 1.4mm
White Island to Cape Palliser, 1037-1100 metres on large bored log [ACE.]
 

Genus: Hyalogyrina

 
Hyalogyrina glabra Marshall, 1988
Width 1.7mm, Height 1.3mm
White Island to Jackson Bay, and Chatham Rise, 800-1100 metres [ACME.]