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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)
> Phacussa (Genus)
> helmsi (Species)
Genus Synonyms:
=Flammulina (Phacussa) Hutton, 1883
=Phelussa Iredale, 1915
Synonymised Names:
=Phacussa helmsi var. maculata Hutton, 1884
=Zonites helmsii Hutton, 1882
Images: Phacussa helmsi (Hutton, 1882)
Miller Peaks area, NW of Te Anau, Murchison Mountains, Fiordland, NZ. 11.3mm. Reproduced courtesy of Dave Roscoe
Miller Peaks area, NW of Te Anau, Murchison Mountains, Fiordland, NZ. 11.3mm. Reproduced courtesy of Dave Roscoe
Miller Peaks area, NW of Te Anau, Murchison Mountains, Fiordland, NZ. 11.3mm. Reproduced courtesy of Dave Roscoe
Poison Bay, S of Milford Sound, Fiordland, NZ. 8.0mm. Reproduced courtesy of Dave Roscoe
Poison Bay, S of Milford Sound, Fiordland, NZ. 8.0mm. Reproduced courtesy of Dave Roscoe
Poison Bay, S of Milford Sound, Fiordland, 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)
> Phacussa (Genus)
> helmsi (Species)
Genus Synonyms:
=Flammulina (Phacussa) Hutton, 1883
=Phelussa Iredale, 1915
Synonymised Names:
=Phacussa helmsi var. maculata Hutton, 1884
=Zonites helmsii Hutton, 1882
Details: Phacussa helmsi (Hutton, 1882)
Size/Grows to:
Width 9.5mm, Height 6mm
Distribution:
South Island. Greymouth
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.315)
  • Hutton, F.W. 1882 Descriptions of new land shells, New Zealand Journal of Science, 1(6) (p.281) 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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