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Taxonomy
Family:
RISSOELLIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Acteonimorpha (Subterclass)
> Rissoelloidea (Superfamily)
> Rissoellidae (Family)
> Rissoella (Genus)
> rissoaformis (Species)
Genus Synonyms:
=Heterorissoa Iredale, 1912
=Jeffreysia Alder, 1850
=Jeffreysiella Thiele, 1912
=Jeffreysina Thiele, 1925
=Jeffreysiopsis Thiele, 1912
=Rissoella (Jeffreysiella) Thiele, 1912
=Rissoella (Phycodrosus) Rehder, 1943
=Rissoella (Rissoella) Gray, 1847
=Rissoella (Zelaxitas) Finlay, 1926
=Zelaxitas Finlay, 1926
Synonymised Names:
=Rissoella (Jeffreysiella) rissoaformis (Powell, 1939) accepted, alternate representation
=Zelaxitas fiordlandica C.A. Fleming, 1948
=Zelaxitas rissoaformis Powell, 1939
Images: Rissoella rissoaformis (Powell, 1939)
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Taxonomy
Family:
RISSOELLIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Acteonimorpha (Subterclass)
> Rissoelloidea (Superfamily)
> Rissoellidae (Family)
> Rissoella (Genus)
> rissoaformis (Species)
Genus Synonyms:
=Heterorissoa Iredale, 1912
=Jeffreysia Alder, 1850
=Jeffreysiella Thiele, 1912
=Jeffreysina Thiele, 1925
=Jeffreysiopsis Thiele, 1912
=Rissoella (Jeffreysiella) Thiele, 1912
=Rissoella (Phycodrosus) Rehder, 1943
=Rissoella (Rissoella) Gray, 1847
=Rissoella (Zelaxitas) Finlay, 1926
=Zelaxitas Finlay, 1926
Synonymised Names:
=Rissoella (Jeffreysiella) rissoaformis (Powell, 1939) accepted, alternate representation
=Zelaxitas fiordlandica C.A. Fleming, 1948
=Zelaxitas rissoaformis Powell, 1939
Details: Rissoella rissoaformis (Powell, 1939)
Size/Grows to:
Height 2.4mm, Width 1.4mm
Distribution:
North and South Island east coast. Fiordland and Stewart Island
Geographical Range:
ACFAn
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.120)
  • Powell, A.W.B. 1939 The Mollusca of Stewart Island., Records of the Auckland Institute and Museum, 2 (p.230) 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