Species Images
A pelagic species washed up after rough weather. 16mm
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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

Janthina exigua (Lamarck, 1822)

Classification:Gastropoda - Caenogastropoda - Ptenoglossa
Family:JANTHINIDAE
Size/Grows to:Height 23mm, Width 21mm
Distribution:Pelagic. Commonly washed ashore on west coast beaches
Geographical Range:ACFM
Notes:
Strong and widely spaced growth ridges Violet Snail
References and Publications:
  • Powell, A.W.B. 1979: New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.254)