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Taxonomy
Family:
COLLONIIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Vetigastropoda (Subclass)
> Trochida (Order)
> Trochoidea (Superfamily)
> Colloniidae (Family)
> Argalista (Genus)
> variecostata (Species)
Genus Synonyms:
=Homalopoma Carpenter, 1864
=Homalopoma (Argalista) Iredale, 1915
Images: Argalista variecostata Powell, 1937
Off Great Barrier Island, Hauraki Gulf, NZ. 2.3mm. © rights reserved
Off Great Barrier Island, Hauraki Gulf, NZ. 2.3mm. © rights reserved
Taxonomy
Family:
COLLONIIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Vetigastropoda (Subclass)
> Trochida (Order)
> Trochoidea (Superfamily)
> Colloniidae (Family)
> Argalista (Genus)
> variecostata (Species)
Genus Synonyms:
=Homalopoma Carpenter, 1864
=Homalopoma (Argalista) Iredale, 1915
Details: Argalista variecostata Powell, 1937
Size/Grows to:
Height 1.8mm, Width 2.3mm
Distribution:
Middlesex and King Banks, Three Kings Islands, and W of Cape Reinga, from 23-805m
Type Data:
  • 90 metres, off Three Kings Islands, NZ, (holotype)
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.68)
  • Powell, A.W.B. 1937 New Species of Marine Mollusca from New Zealand, Discovery Reports, 15 (p.188) 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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