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Taxonomy
Family:
RISSOIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Rissooidea (Superfamily)
> Rissoidae (Family)
> Haurakia (Genus)
> crassicosta (Species)
Synonymised Names:
=Pusillina (Haurakia) crassicosta (Powell, 1955)
=Pusillina crassicosta (Powell, 1955)
Images: Haurakia crassicosta Powell, 1955
Holotype, collected pre 1907, in 90 metres, off Snares Islands, NZ (MA71216). © Auckland Museum (CC-BY)
Taxonomy
Family:
RISSOIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Caenogastropoda (Subclass)
> Littorinimorpha (Order)
> Rissooidea (Superfamily)
> Rissoidae (Family)
> Haurakia (Genus)
> crassicosta (Species)
Synonymised Names:
=Pusillina (Haurakia) crassicosta (Powell, 1955)
=Pusillina crassicosta (Powell, 1955)
Details: Haurakia crassicosta Powell, 1955
Size/Grows to:
Height 2.45mm, Width 1.55mm
Distribution:
Snares Islands
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.95)
  • Powell, A.W.B. 1955 Mollusca of the southern islands of New Zealand., Department of Scientific and Industrial Research Cape Expedition Series Bulletin, 15 (p.80) 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
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