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Taxonomy
Family:
RISSOIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Rissooidea (Superfamily)
> Rissoidae (Family)
> Onoba (Genus)
> exuta (Species)
Genus Synonyms:
=Austronoba Powell, 1927
=Badenia Finlay, 1930
=Manawatawhia Powell, 1937
=Onoba (Manawatawhia) Powell, 1937
=Onoba (Onoba) H. & A. Adams, 1852
=Onoba (Ovirissoa) Hedley, 1916
=Ovirissoa Hedley, 1916
=Powellia Finlay, 1926
=Putilla (Ovirissoa) Hedley, 1916
=Rissoa (Onoba) H. & A. Adams, 1852
=Subonoba Iredale, 1915
Synonymised Names:
=Haurakia duplicata exuta Powell, 1937
Images: Onoba exuta (Powell, 1937)
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Taxonomy
Family:
RISSOIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Rissooidea (Superfamily)
> Rissoidae (Family)
> Onoba (Genus)
> exuta (Species)
Genus Synonyms:
=Austronoba Powell, 1927
=Badenia Finlay, 1930
=Manawatawhia Powell, 1937
=Onoba (Manawatawhia) Powell, 1937
=Onoba (Onoba) H. & A. Adams, 1852
=Onoba (Ovirissoa) Hedley, 1916
=Ovirissoa Hedley, 1916
=Powellia Finlay, 1926
=Putilla (Ovirissoa) Hedley, 1916
=Rissoa (Onoba) H. & A. Adams, 1852
=Subonoba Iredale, 1915
Synonymised Names:
=Haurakia duplicata exuta Powell, 1937
Details: Onoba exuta (Powell, 1937)
Size/Grows to:
Height 2.65mm, Width 1.6mm
Distribution:
Off Three Kings Islands
Geographical Range:
A
Notes:
Marine, Native - Endemic
Distribution Map
 
References and Publications
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.114)
  • Powell, A.W.B. 1937 New Species of Marine Mollusca from New Zealand, Discovery Reports, 15 (p.191) Original Description

*98 © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)

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
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