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Taxonomy
Family:
COLLONIIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Vetigastropoda (Subclass)
> Trochida (Order)
> Trochoidea (Superfamily)
> Colloniidae (Family)
> Argalista (Genus)
> nana (Species)
Genus Synonyms:
=Homalopoma Carpenter, 1864
=Homalopoma (Argalista) Iredale, 1915
Images: Argalista nana Finlay, 1930
Holotype, dredged off Awanui Heads, Rangaunu Bay, NZ. © Auckland Museum (CC-BY)
Holotype, dredged off Awanui Heads, Rangaunu Bay, NZ. © Auckland Museum (CC-BY)
In shell sand, Mathesons Bay, Leigh, NE of Warkworth, NZ. 2mm
Taxonomy
Family:
COLLONIIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Vetigastropoda (Subclass)
> Trochida (Order)
> Trochoidea (Superfamily)
> Colloniidae (Family)
> Argalista (Genus)
> nana (Species)
Genus Synonyms:
=Homalopoma Carpenter, 1864
=Homalopoma (Argalista) Iredale, 1915
Details: Argalista nana Finlay, 1930
Size/Grows to:
Width 2.5mm, Height 0.9mm
Distribution:
Three Kings Islands to Northland
Geographical Range:
A
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)
  • Finlay, H. 1930 Additions to the Recent fauna of New Zealand. No. 3, Transactions of the New Zealand Institute, 61 (p.223) Original Description

*98 © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)

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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