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Taxonomy
Family:
RISSOIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Rissooidea (Superfamily)
> Rissoidae (Family)
> Powellisetia (Genus)
> australis (Species)
Synonymised Names:
=Eatoniella (Eatoniella) australis (R.B. Watson, 1886)
=Eatoniella australis (R.B. Watson, 1886)
=Rissoa (Setia) australis R.B. Watson, 1886
=Rissoa australis R.B. Watson, 1886
=Ovirissoa nivosa of authors not Powell
Images: Powellisetia australis (R.B. Watson, 1886)
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Taxonomy
Family:
RISSOIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Rissooidea (Superfamily)
> Rissoidae (Family)
> Powellisetia (Genus)
> australis (Species)
Synonymised Names:
=Eatoniella (Eatoniella) australis (R.B. Watson, 1886)
=Eatoniella australis (R.B. Watson, 1886)
=Rissoa (Setia) australis R.B. Watson, 1886
=Rissoa australis R.B. Watson, 1886
=Ovirissoa nivosa of authors not Powell
Details: Powellisetia australis (R.B. Watson, 1886)
Size/Grows to:
Height 2.5mm, Width 1.45mm
Distribution:
Sub-Antarctic Islands, deep
Geographical Range:
An
Notes:
Marine
Distribution Map
 
References and Publications
  • Ponder, W.F. 1983 Rissoaform gastropods from the Antarctic and sub-Antarctic. The Eatoniellidae, Rissoidae, Barleeidae, Cingulopsidae, Orbitestellidae and Rissoellidae (Mollusca: Gastropoda) of Signy Island, South Orkney Islands, with a review of the Antarctic and sub-Antarctic (excluding southern South America and the New Zealand sub-Antarctic islands) species, British Antarctic Survey Scientific Reports, 108 (p.25)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.113)
  • Watson, R.B. 1886 Report on the Scaphopoda and Gasteropoda collected by H.M.S. Challenger during the years 1873-76., Zoology, 15(42) (p.608) 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