Species Images
wilsonae form - Trawled off the Chatham Islands. 111mm
smithi form - Trawled off Otago Heads. 109mm
knoxi form - Off the south of New Zealand. 71mm
acuminata form - Trawled 400 metres, Chatham Rise. 90mm
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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.
Kermadec Islands
Aupourian - Kaipara Harbour, north around North Cape, encompassing the Three Kings Islands and south to East Cape
Cookian - Lower North Island and the northern part of the South Island
Forsterian - Otago, Fiordland and Stewart Island
Moriorian - Chatham Islands, Pitt Island
Antipodean - Subantarctic Islands of New Zealand
FW =
L =
E =
I =

Alcithoe wilsonae (Powell, 1933)

Classification:Gastropoda - Caenogastropoda - Neogastropoda
Size/Grows to:Height 90mm, Width 35mm
Synonyms:(=Leporemax Iredale, =Pachymelon Marwick, =Palomelon Finlay, =Teremelon Marwick, =Waihaoia Marwick)
(=acuminata Bail & Limpus, =chathamensis Dell, =grahami Powell, =knoxi Dell, =smithi Powell)
Distribution:Off eastern Otago, Chatham Rise and Auckland Islands to Campbell Plateau, 50-580 metres
Geographical Range:CFMAn
References and Publications:
  • Hills, S.F.K., Crampton, J.S., Trewick, S.A., Morgan-Richards, M. 2012: DNA and Morphology unite two species and 10 million year old Fossils, PLoS ONE, 7(12) (p.11)
  • Bail, P., Limpus, A. 2005: A Conchological Iconography 11, The Recent Volutes of New Zealand, with a revision of the genus Alcithoe H. & A. Adams, 1853, ConchBooks, Hackenheim, Germany (p.55)
  • Powell, A.W.B. 1979: New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.209)
  • Dell, R.K. 1978: Additions to the New Zealand Recent molluscan fauna with notes on Pachymelon (Palomelon), National Museum of New Zealand Records, 1(11) (p.171)

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

*2 © Museum of New Zealand Te Papa Tongarewa CC BY-NC-ND