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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)
> Therasia (Genus)
> thaisa (Species)
Images: Therasia thaisa Hutton, 1883
Collected Nov 1948, Sealers Bay, Codfish Island, Stewart Island, NZ. 9.0mm. Reproduced courtesy of Dave Roscoe
Collected Nov 1948, Sealers Bay, Codfish Island, Stewart Island, NZ. 9.0mm. Reproduced courtesy of Dave Roscoe
Collected Nov 1948, Sealers Bay, Codfish Island, Stewart Island, NZ. 9.0mm. Reproduced courtesy of Dave Roscoe
Collected Nov 1983, roadside W of Raes Junction, NE of Tapanui, Otago, NZ. 8.0mm. Reproduced courtesy of Dave Roscoe
Collected Nov 1983, roadside W of Raes Junction, NE of Tapanui, Otago, NZ. 8.0mm. Reproduced courtesy of Dave Roscoe
Collected Nov 1983, roadside W of Raes Junction, NE of Tapanui, Otago, NZ. 8.0mm. 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)
> Therasia (Genus)
> thaisa (Species)
Details: Therasia thaisa Hutton, 1883
Size/Grows to:
Width 10.3mm, Height 8mm
Distribution:
South and Stewart Island
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.316)
  • Hutton, F.W. 1883 Notes on some New Zealand land shells, New Zealand Journal of Science, 1(10) (p.477) Original Description

NZ Geographical Regions
Key to symbols used in Checklist.
Fw =
Freshwater
L =
Land
N =
North Island
S =
South Island
R =
Recent
Sf =
Subfossil
Fo =
Fossil
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