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Taxonomy
Family:
RISSOIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Rissooidea (Superfamily)
> Rissoidae (Family)
> Powellisetia (Genus)
> unicarinata (Species)
Synonymised Names:
=Notosetia unicarinata Powell, 1930
Images: Powellisetia unicarinata (Powell, 1930)
Holotype, collected Jan 1924, Tryphena Bay, Great Barrier Island, Hauraki Gulf, NZ (MA70544). © Auckland Museum (CC-BY)
Taxonomy
Family:
RISSOIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Rissooidea (Superfamily)
> Rissoidae (Family)
> Powellisetia (Genus)
> unicarinata (Species)
Synonymised Names:
=Notosetia unicarinata Powell, 1930
Details: Powellisetia unicarinata (Powell, 1930)
Size/Grows to:
Height 1.19mm, Width 0.59mm
Distribution:
Northland to Bay of Plenty
Geographical Range:
A
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.100)
  • 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.114)
  • Powell, A.W.B. 1930 New species of New Zealand Mollusca from shallow-water Dredgings, Part 2, Transactions and Proceedings of the Royal Society of New Zealand, 61 (p.543) 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