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Taxonomy
Family:
RISSOIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Rissooidea (Superfamily)
> Rissoidae (Family)
> Haurakia (Genus)
> hamiltoni (Species)
Synonymised Names:
=Pusillina (Haurakia) hamiltoni (Suter, 1898)
=Pusillina hamiltoni (Suter, 1898)
=Rissoa (Haurakia) hamiltoni Suter, 1898
=Rissoa hamiltoni Suter, 1898
=Rissoia hamiltoni Suter, 1898
Images: Haurakia hamiltoni (Suter, 1898)
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Taxonomy
Family:
RISSOIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Rissooidea (Superfamily)
> Rissoidae (Family)
> Haurakia (Genus)
> hamiltoni (Species)
Synonymised Names:
=Pusillina (Haurakia) hamiltoni (Suter, 1898)
=Pusillina hamiltoni (Suter, 1898)
=Rissoa (Haurakia) hamiltoni Suter, 1898
=Rissoa hamiltoni Suter, 1898
=Rissoia hamiltoni Suter, 1898
Details: Haurakia hamiltoni (Suter, 1898)
Size/Grows to:
Height 2.5mm, Width 1.5mm
Distribution:
Throughout NZ and Chatham Islands
Geographical Range:
ACFM
Notes:
Marine, Native - Endemic
Distribution Map
 
References and Publications
  • Ponder, W.F. 1985 A review of the genera of the Rissoidae (Mollusca: Mesogastropoda: Rissoacea), Records of the Australian Museum (p.29)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.95)
  • Suter, H. 1898 Revision of the New Zealand Rissoiidae, Proceedings of the Malacological Society of London, 3 (p.2) Original Description

Key to Geographical Ranges
NZ Map showing 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 approximation 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
R =
Recent
Sf =
Subfossil
Fo =
Fossil