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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:
Three Kings, North, South, Stewart, Snares, Auckland, Campbell, Antipodes, Bounty and Chatham Islands, from 0-121m
Notes:
Marine, Native - Endemic, Intertidal
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)

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