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Genus List
Mollusca (Phylum) > Gastropoda (Class) > Vetigastropoda (Subclass) > Trochida (Order) > Trochoidea (Superfamily) > Colloniidae (Family) > Argalista (Genus)
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  • Argalista crassicostata (Murdoch, 1905)
    Width 3.2mm, Height 2.5mm, Marine, Endemic
    South Island. Foveaux Strait and Stewart Island, Snares Islands FAnE.
  • Argalista fluctuata (Hutton, 1883)
    Height 2.25mm, Width 3.0mm, Marine, Endemic
    North, South, Stewart, Chatham and Southern Islands ACFMAnE.
  • Argalista imperforata (Suter, 1908)
    Height 3.05mm, Width 3.5mm, Marine, Endemic
    North, South and Stewart Island ACFE.
  • Argalista micans (Powell, 1931)
    Height 1.13mm, Width 1.43mm, Marine, Endemic
    Snares and Auckland Islands AnE.
  • Argalista nana (Finlay, 1930)
    Height 0.9mm, Width 2.5mm, Marine, Endemic
    Three Kings Islands to Northland AE.
  • Argalista rotella (Powell, 1937)
    Height 1.1mm, Width 1.6mm, Marine, Endemic
    Off Three Kings Islands AE.
  • Argalista umbilicata (Powell, 1926)
    Height 1.9mm, Width 2.75mm, Marine, Endemic
    Off South Island and southern islands CFMAnE.
  • Argalista variecostata (Powell, 1937)
    Height 1.8mm, Width 2.3mm, Marine, Endemic
    Off Three Kings Islands AE.
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 approxomation 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
E =
Endemic
I =
Introduced
R =
Recent
Sf =
Subfossil
Fo =
Fossil