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Taxonomy
Family:
RISSOIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Rissooidea (Superfamily)
> Rissoidae (Family)
> Alvania (Genus)
> exserta (Species)
Genus Synonyms:
=Alvania (Linemera) Finlay, 1924 accepted, alternate representation
Synonymised Names:
=Alvania (Linemera) exserta (Suter, 1908) accepted, alternate representation
=Alvinia (Linemera) exserta (Suter, 1908)
=Rissoa (Alvania) exserta Suter, 1908
=Rissoa exserta Suter, 1908
Images: Alvania exserta (Suter, 1908)
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Taxonomy
Family:
RISSOIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Rissooidea (Superfamily)
> Rissoidae (Family)
> Alvania (Genus)
> exserta (Species)
Genus Synonyms:
=Alvania (Linemera) Finlay, 1924 accepted, alternate representation
Synonymised Names:
=Alvania (Linemera) exserta (Suter, 1908) accepted, alternate representation
=Alvinia (Linemera) exserta (Suter, 1908)
=Rissoa (Alvania) exserta Suter, 1908
=Rissoa exserta Suter, 1908
Details: Alvania exserta (Suter, 1908)
Size/Grows to:
Height 2.6mm, Width 1.6mm
Distribution:
South-eastern South Island, Snares, Auckland, Campbell, Antipodes Islands, and Pukaki Rise
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.96)
  • Suter, H. 1908 Additions to the marine molluscan fauna of New Zealand, with descriptions of new species, Proceedings of the Malacological Society of London, 8 (p.28) Original Description

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