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Taxonomy
Family:
RISSOIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Rissooidea (Superfamily)
> Rissoidae (Family)
> Powellisetia (Genus)
> subtenuis (Species)
Synonymised Names:
=Notosetia multilirata Powell, 1940
=Notosetia subtenuis Powell, 1937
Images: Powellisetia subtenuis (Powell, 1937)
Holotype of Notosetia foveauxana, collected Jun 1955, off Poutama Island, South Cape, NZ (M.020248). ~1.2mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Holotype of Notosetia multilirata Powell, collected in 1914, off Great Island, Three Kings Islands, NZ (MA70539). © Auckland Museum (CC-BY)
Taxonomy
Family:
RISSOIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Rissooidea (Superfamily)
> Rissoidae (Family)
> Powellisetia (Genus)
> subtenuis (Species)
Synonymised Names:
=Notosetia multilirata Powell, 1940
=Notosetia subtenuis Powell, 1937
Details: Powellisetia subtenuis (Powell, 1937)
Size/Grows to:
Height 1.2mm, Width 0.8mm
Distribution:
Three Kings Islands, and north-eastern North Island as far south as Rangitikei River mouth
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.111)
  • Powell, A.W.B. 1937 New Species of Marine Mollusca from New Zealand, Discovery Reports, 15 (p.200) 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
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