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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 - Pulmonata - Stylommatophora - Family: Valloniidae

Valloniidae

 

Genus: Vallonia

 
Vallonia costata (Müller, 1774)
North Island. Auckland [L.N.I.]
 
Vallonia excentrica Sterki, 1893 (=pulchella of authors)
Height 1.2mm, Width 2.3mm, Introduced. Native to the Mediterranean, western Europe, Atlantic islands, and North America. Introduced to St. Helena, South Africa, Australia, and New Zealand
North and South Island [L.K.N.S.I.]