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Taxonomy
Family:
COLLONIIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Vetigastropoda (Subclass)
> Trochida (Order)
> Trochoidea (Superfamily)
> Colloniidae (Family)
> Argalista (Genus)
> fluctuata (Species)
Genus Synonyms:
=Homalopoma Carpenter, 1864
=Homalopoma (Argalista) Iredale, 1915
Synonymised Names:
=Cyclostrema fluctuatum Hutton, 1883
=Homalopoma (Argalista) fluctuata (Hutton, 1883)
=Leptothyra fluctuata (Hutton, 1883)
=Leptothyra fluctuata var. immaculata Suter, 1908
Images: Argalista fluctuata (Hutton, 1883)
Collected in 150-200 metres, Tairoa Canyon, Otago, NZ. 2.0mm. © rights reserved
Collected in 150-200 metres, Tairoa Canyon, Otago, NZ. 2.0mm. © rights reserved
Collected in 150-200 metres, Tairoa Canyon, Otago, NZ. 2.0mm. © rights reserved
Taxonomy
Family:
COLLONIIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Vetigastropoda (Subclass)
> Trochida (Order)
> Trochoidea (Superfamily)
> Colloniidae (Family)
> Argalista (Genus)
> fluctuata (Species)
Genus Synonyms:
=Homalopoma Carpenter, 1864
=Homalopoma (Argalista) Iredale, 1915
Synonymised Names:
=Cyclostrema fluctuatum Hutton, 1883
=Homalopoma (Argalista) fluctuata (Hutton, 1883)
=Leptothyra fluctuata (Hutton, 1883)
=Leptothyra fluctuata var. immaculata Suter, 1908
Details: Argalista fluctuata (Hutton, 1883)
Size/Grows to:
Width 3.0mm, Height 2.25mm
Distribution:
Southern South Island and Stewart, Snares, Auckland, Antipodes, Bounty and Chatham Islands, and Pukaki Rise, from 7-549m
Type Data:
  • Foveaux Strait, NZ, (holotype)
Notes:
Marine, Native - Endemic
Distribution Map
 
References and Publications
  • Marshall, B.A. 1995 Molluscan and brachiopod taxa introduced by F.W. Hutton in The New Zealand Journal of Science, Journal of the Royal Society of New Zealand, 25 (p.496)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.67)
  • Hutton, F.W. 1883 Notes on some marine Mollusca, New Zealand Journal of Science, 1(10) (p.477) 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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