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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)
> viridulus caswelli (Species)
Genus Synonyms:
=Laoma (Phrixgnathus) Hutton, 1882
Images: Phrixgnathus viridulus caswelli Dell, 1955
Holotype, collected 15 Mar 1949, Leslie Clearing, Caswell Sound head, Fiordland, NZ (M.006158). 2.3mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Holotype, collected 15 Mar 1949, Leslie Clearing, Caswell Sound head, Fiordland, NZ (M.006158). 2.3mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Holotype, collected 15 Mar 1949, Leslie Clearing, Caswell Sound head, Fiordland, NZ (M.006158). 2.3mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
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)
> viridulus caswelli (Species)
Genus Synonyms:
=Laoma (Phrixgnathus) Hutton, 1882
Details: Phrixgnathus viridulus caswelli Dell, 1955
Size/Grows to:
Width 2.6mm, Height 1.8mm
Distribution:
South Island. Fiordland
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.330)
  • Dell, R.K. 1955 The land Mollusca of Fiordland, south-west Otago, Transactions and Proceedings of the Royal Society of New Zealand, 82(5) (p.1145) 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