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Taxonomy
Family: Subfamily:
PUNCTIDAE: LAOMINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Tectipleura (Subterclass)
> Eupulmonata (Superorder)
> Stylommatophora (Order)
> Helicina (Suborder)
> [unassigned] Helicina (Infraorder)
> Punctoidea (Superfamily)
> Punctidae (Family)
> Laominae (Subfamily)
> Phrixgnathus (Genus)
> marginatus (Species)
Genus Synonyms:
=Laoma (Phrixgnathus) Hutton, 1882
Synonymised Names:
=Troydonia marginata (Hutton, 1882)
Images: Phrixgnathus marginatus Hutton, 1882
Collected Heaphy Track, SW of Collingwood, NZ. 3.7mm. Reproduced courtesy of Dave Roscoe
Collected Heaphy Track, SW of Collingwood, NZ. 3.7mm. Reproduced courtesy of Dave Roscoe
Collected Heaphy Track, SW of Collingwood, NZ. 3.7mm. Reproduced courtesy of Dave Roscoe
Collected Barrystown, near Punakaiki, NE of Greymouth, NZ. 3.7mm. Reproduced courtesy of Dave Roscoe
Collected Barrystown, near Punakaiki, NE of Greymouth, NZ. 3.7mm. Reproduced courtesy of Dave Roscoe
Collected Barrystown, near Punakaiki, NE of Greymouth, NZ. 3.7mm. Reproduced courtesy of Dave Roscoe
Taxonomy
Family: Subfamily:
PUNCTIDAE: LAOMINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Tectipleura (Subterclass)
> Eupulmonata (Superorder)
> Stylommatophora (Order)
> Helicina (Suborder)
> [unassigned] Helicina (Infraorder)
> Punctoidea (Superfamily)
> Punctidae (Family)
> Laominae (Subfamily)
> Phrixgnathus (Genus)
> marginatus (Species)
Genus Synonyms:
=Laoma (Phrixgnathus) Hutton, 1882
Synonymised Names:
=Troydonia marginata (Hutton, 1882)
Details: Phrixgnathus marginatus Hutton, 1882
Size/Grows to:
Width 3.8mm, Height 2.5mm
Distribution:
South Island. Greymouth to Golden Bay and Takaka
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.329)
  • 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