Species Images
Holotype, collected 15 Jul 1962, NW of Three Kings Islands, NZ. (M.018488). © Museum of New Zealand Te Papa Tongarewa CC BY-NC-ND
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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

Dilemma inexpectatum Crozier, 1966

Classification:Bivalvia - Anomalodesmata - Pholadomyoida
Family:POROMYIDAE
Size/Grows to:Height 8mm, Length 2.7mm
Distribution:North of Three Kings Islands, trawled 800 metres
Geographical Range:AE.
References and Publications:
  • Powell, A.W.B. 1979: New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.413)