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Taxonomy
Family:
COLLONIIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Vetigastropoda (Subclass)
> Trochida (Order)
> Trochoidea (Superfamily)
> Colloniidae (Family)
> Argalista (Genus)
> imperforata (Species)
Genus Synonyms:
=Homalopoma Carpenter, 1864
=Homalopoma (Argalista) Iredale, 1915
Synonymised Names:
=Homalopoma (Argalista) foveauxana Ponder, 1968
=Pseudoliotia imperforata Suter, 1908
Images: Argalista imperforata (Suter, 1908)
Holotype of Homalopoma (Argalista) foveauxana Ponder, 1968, collected Oct 1955, off Whero Island, Carter Passage, Stewart Island, NZ (M.020970). 3.5mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Taxonomy
Family:
COLLONIIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Vetigastropoda (Subclass)
> Trochida (Order)
> Trochoidea (Superfamily)
> Colloniidae (Family)
> Argalista (Genus)
> imperforata (Species)
Genus Synonyms:
=Homalopoma Carpenter, 1864
=Homalopoma (Argalista) Iredale, 1915
Synonymised Names:
=Homalopoma (Argalista) foveauxana Ponder, 1968
=Pseudoliotia imperforata Suter, 1908
Details: Argalista imperforata (Suter, 1908)
Size/Grows to:
Width 3.5mm, Height 3.05mm
Distribution:
North, South and Stewart Island
Notes:
Marine, Native - Endemic
Distribution Map
 
References and Publications
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.67)
  • Suter, H. 1908 Additions to the marine molluscan fauna of New Zealand, with descriptions of new species, Proceedings of the Malacological Society of London, 8 (p.26) 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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