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Taxonomy
Family:
RISSOIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Rissooidea (Superfamily)
> Rissoidae (Family)
> Powellisetia (Genus)
> microstriata (Species)
Synonymised Names:
=Notosetia antipoda Powell, 1955
=Rissoa microstriata R. Murdoch, 1905
Images: Powellisetia microstriata (R. Murdoch, 1905)
Holotype of Rissoa microstriata, collected 'Whangaroa' = Foveaux Strait or Stewart Island, NZ (M.001759). ~2mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Holotype of Notosetia antipoda Powell, collected pre 1907, off Snares Islands, NZ (MA71218). © Auckland Museum (CC-BY)
Taxonomy
Family:
RISSOIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Rissooidea (Superfamily)
> Rissoidae (Family)
> Powellisetia (Genus)
> microstriata (Species)
Synonymised Names:
=Notosetia antipoda Powell, 1955
=Rissoa microstriata R. Murdoch, 1905
Details: Powellisetia microstriata (R. Murdoch, 1905)
Size/Grows to:
Height 2.07mm, Width 1.1mm
Distribution:
Deep water off South Island, Snares and Bounty Islands
Geographical Range:
FAn
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.99)
  • Ponder, W.F. 1965 A revision of the New Zealand recent species previously known as Notosetia Iredale, 1915 (Rissoidae, Gastropoda), Records of the Auckland Institute and Museum, 6(2) (p.108)
  • Murdoch, R. 1905 Additions to the marine Mollusca of New Zealand., Transactions and Proceedings of the New Zealand Institute, 37 (p.229) 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