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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
Collected in 150-200 metres, Tairoa Canyon, Otago, NZ. 2.0mm
Collected in 150-200 metres, Tairoa Canyon, Otago, NZ. 2.0mm
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:
North, South, Stewart, Chatham and Southern Islands
Geographical Range:
ACFMAn
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

Key to Geographical Ranges
NZ Map showing Geographical Ranges
The symbols K.A.C.F.M.An. are used to indicate the geographical range of the species. They have been adopted to give an approximation of the range of each species within New Zealand.
K=
Kermadec Islands
A=
Aupourian - Kaipara Harbour, north around North Cape, encompassing the Three Kings Islands and south to East Cape
C=
Cookian - Lower North Island and the northern part of the South Island
F=
Forsterian - Otago, Fiordland and Stewart Island
M=
Moriorian - Chatham Islands, Pitt Island
An=
Antipodean - Subantarctic Islands of New Zealand
Fw =
Freshwater
L =
Land
N =
North Island
S =
South Island
R =
Recent
Sf =
Subfossil
Fo =
Fossil
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