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Taxonomy
Family: Subfamily:
CHAROPIDAE: THERASIINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Tectipleura (Subterclass)
> Eupulmonata (Superorder)
> Stylommatophora (Order)
> Helicina (Suborder)
> [unassigned] Helicina (Infraorder)
> Punctoidea (Superfamily)
> Charopidae (Family)
> Therasiinae (Subfamily)
> Thalassohelix (Genus)
> zelandiae (Species)
Genus Synonyms:
=Flammulina (Thalassohelix) Pilsbry, 1892
=Gerontia (Thalassohelix) Pilsbry, 1892
Synonymised Names:
=Helix (Carocolla) zelandiae Gray, 1843
=Helix zelandiae Gray, 1843
=Thalassia neozelanica Hutton, 1884
Images: Thalassohelix zelandiae (Gray, 1843)
Collected Aug 2005, Otoru Road, Otewa, S of Hamilton, Waikato, NZ. 7.8mm. Reproduced courtesy of Dave Roscoe
Collected Aug 2005, Otoru Road, Otewa, S of Hamilton, Waikato, NZ. 7.8mm. Reproduced courtesy of Dave Roscoe
Collected Aug 2005, Otoru Road, Otewa, S of Hamilton, Waikato, NZ. 7.8mm. Reproduced courtesy of Dave Roscoe
Collected Nov 2005, Hayward Scenic Eastern Hills Reserve, Lower Hutt, Wellington, NZ. 8.8mm. Reproduced courtesy of Dave Roscoe
Collected Nov 2005, Hayward Scenic Eastern Hills Reserve, Lower Hutt, Wellington, NZ. 8.8mm. Reproduced courtesy of Dave Roscoe
Collected Nov 2005, Hayward Scenic Eastern Hills Reserve, Lower Hutt, Wellington, NZ. 8.8mm. Reproduced courtesy of Dave Roscoe
Taxonomy
Family: Subfamily:
CHAROPIDAE: THERASIINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Tectipleura (Subterclass)
> Eupulmonata (Superorder)
> Stylommatophora (Order)
> Helicina (Suborder)
> [unassigned] Helicina (Infraorder)
> Punctoidea (Superfamily)
> Charopidae (Family)
> Therasiinae (Subfamily)
> Thalassohelix (Genus)
> zelandiae (Species)
Genus Synonyms:
=Flammulina (Thalassohelix) Pilsbry, 1892
=Gerontia (Thalassohelix) Pilsbry, 1892
Synonymised Names:
=Helix (Carocolla) zelandiae Gray, 1843
=Helix zelandiae Gray, 1843
=Thalassia neozelanica Hutton, 1884
Details: Thalassohelix zelandiae (Gray, 1843)
Size/Grows to:
Width 11mm, Height 8.3mm
Distribution:
North, South and Chatham Islands
Geographical Range:
L.N.S.
Notes:
Land, Native - Endemic
Distribution Map
 
References and Publications
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.317)

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