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Taxonomy
Family: Subfamily:
PLANORBIDAE: PLANORBINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Tectipleura (Subterclass)
> Hygrophila (Superorder)
> Lymnaeoidea (Superfamily)
> Planorbidae (Family)
> Planorbinae (Subfamily)
> Gyraulus (Genus)
> kahuica (Species)
Genus Synonyms:
=Planorbis (Gyraulus) Charpentier, 1837
Synonymised Names:
=Planorbis kahuica Finlay & Laws, 1931
Images: Gyraulus kahuica Finlay & Laws, 1931
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Taxonomy
Family: Subfamily:
PLANORBIDAE: PLANORBINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Tectipleura (Subterclass)
> Hygrophila (Superorder)
> Lymnaeoidea (Superfamily)
> Planorbidae (Family)
> Planorbinae (Subfamily)
> Gyraulus (Genus)
> kahuica (Species)
Genus Synonyms:
=Planorbis (Gyraulus) Charpentier, 1837
Synonymised Names:
=Planorbis kahuica Finlay & Laws, 1931
Details: Gyraulus kahuica Finlay & Laws, 1931
Size/Grows to:
Length 6mm, Width 5mm, Height 1.75mm
Distribution:
North and South Island
Geographical Range:
Fw.N.S.
Notes:
Freshwater, Native - Endemic, Much larger than G.corinna, 3.9-6.0 mm in diameter, yet with only 3-3.5 whorls, which are more accellerated
Distribution Map
 
References and Publications
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.297)
  • Finlay, H., Laws, C.R. 1931 A second species of Planorbis from New Zealand, Transactions of the New Zealand Institute, 62 (p.23) 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