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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:
South-eastern South Island as far north as Karitane Canyon, and Stewart, Snares and Campbell Islands
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)

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