Species Images
Trawled in 900 metres of water off Cape Kidnappers. 17mm
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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 =

Tritia ephamilla (Watson, 1882)

Classification:Gastropoda - Caenogastropoda - Neogastropoda
Size/Grows to:Height 22mm, Width 12mm
Synonyms:(=Cryptonassarius Cernohorsky, =Nassarius Duméril)
Distribution:North, South and Chatham Islands. Trawled from 400 to 1800 metres. Also New South Wales along the eastern coast of Australia to Victoria, South Australia and Tasmania
Geographical Range:ACFM
References and Publications:
  • Cernohorsky, W.O. 1981: Revision of the Australian and New Zealand Tertiary and Recent species of the family Nassariidae (Mollusca: Gastropoda), Records of the Auckland Institute and Museum, 18 (p.180)
  • Powell, A.W.B. 1979: New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.205)

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