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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)
> erigone (Species)
Genus Synonyms:
=Laoma (Phrixgnathus) Hutton, 1882
Synonymised Names:
=Helix heldiana L. Pfeiffer, 1853
=Nanina erigone Gray, 1850
Images: Phrixgnathus erigone (Gray, 1850)
Collected Mar 2018, Awakino Gorge, King Country, NZ. 1.9mm. Reproduced courtesy of Dave Roscoe
Collected Mar 2018, Awakino Gorge, King Country, NZ. 1.9mm. Reproduced courtesy of Dave Roscoe
Collected Mar 2018, Awakino Gorge, King Country, NZ. 1.9mm. Reproduced courtesy of Dave Roscoe
Collected Sep 2015, NE of Helensville, Auckland, NZ. 1.75mm. Reproduced courtesy of Dave Roscoe
Collected Sep 2015, NE of Helensville, Auckland, NZ. 1.75mm. Reproduced courtesy of Dave Roscoe
Collected Sep 2015, NE of Helensville, Auckland, NZ. 1.75mm. 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)
> erigone (Species)
Genus Synonyms:
=Laoma (Phrixgnathus) Hutton, 1882
Synonymised Names:
=Helix heldiana L. Pfeiffer, 1853
=Nanina erigone Gray, 1850
Details: Phrixgnathus erigone (Gray, 1850)
Size/Grows to:
Width 2mm, Height 2.25mm
Distribution:
North Island. Northland to Waikato
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.327)
  • Gray, J.E. 1850 Description of a new genus and several new species of terrestrial, fluviatile, and marine molluscous animals inhabiting New Zealand, Proceedings of the Zoological Society of London, 17 (p.165) 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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