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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 foveauxana E.C. Smith, 1962
=Notosetia multilirata Powell, 1940
=Notosetia subcarinata 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 foveauxana E.C. Smith, 1962
=Notosetia multilirata Powell, 1940
=Notosetia subcarinata Powell, 1940
=Notosetia subtenuis Powell, 1937
Details: Powellisetia subtenuis (Powell, 1937)
Size/Grows to:
Height 1.2mm, Width 0.8mm
Distribution:
Throughout NZ
Geographical Range:
ACFMAn
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)

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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