Species Images
From off Northland. 26mm
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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
E =
Endemic
I =
Introduced

Polinices tawhitirahia Powell, 1965

Classification:Gastropoda - Caenogastropoda - Hypsogastropoda
Family:NATICIDAE: POLINICINAE
Size/Grows to:Height 34mm, Width 31mm
Distribution:Northland to Poor Knights Islands. Also Norfolk Islands
Geographical Range:K.A
Notes:
Heavy shell with thick callus that completely fills umbilicus. Colourless periostracum, fewer protoconch whorls than P. putealis, and a broader first protoconch whorl
References and Publications:
  • Marshall, B.A. 2001: Polinices update 2, Australasian Shell News, 112 (p.7)
  • Brook, F.J., Marshall, B.A. 1998: The coastal molluscan fauna of the northern Kermadec Islands, southwest Pacific Ocean, Journal of the Royal Society of New Zealand, 28 (p.220)
  • Powell, A.W.B. 1979: New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.155)
  • Powell, A.W.B. 1976: On the considerable influx of warm water molluscs that have invaded northern New Zealand waters within recent years, Records of the Auckland Institute and Museum, 13 (p.147)

Note: Localities are approximate, and represent only some of the known localities for the species.