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Taxonomy
Family:
VENERIDAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Autobranchia (Subclass)
> Heteroconchia (Infraclass)
> Euhetrodonta (Subterclass)
> Imparidentia (Superorder)
> Venerida (Order)
> Veneroidea (Superfamily)
> Veneridae (Family)
> Tawera (Genus)
> sphaericula (Species)
Genus Synonyms:
=Plurigens Finlay, 1930
Synonymised Names:
=Chamelea bollonsi (Powell, 1932)
=Chamelea sphaericula (Deshayes, 1853)
=Chione sphaericula (Deshayes, 1853)
=Dione sphaericula Deshayes, 1853
=Tawera bollonsi Powell, 1932
Images: Tawera sphaericula (Deshayes, 1853)
Holotype of Tawera bollonsi, Carnley Harbour, Auckland Islands, NZ (MA70758). © Auckland Museum (CC-BY)
Holotype of Tawera bollonsi, Carnley Harbour, Auckland Islands, NZ (MA70758). © Auckland Museum (CC-BY)
Collected Auckland Islands, NZ. 34.5mm
Collected Auckland Islands, NZ. 34.5mm
Collected Auckland Islands, NZ. 34.5mm
Collected Auckland Islands, NZ. 34.5mm
Taxonomy
Family:
VENERIDAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Autobranchia (Subclass)
> Heteroconchia (Infraclass)
> Euhetrodonta (Subterclass)
> Imparidentia (Superorder)
> Venerida (Order)
> Veneroidea (Superfamily)
> Veneridae (Family)
> Tawera (Genus)
> sphaericula (Species)
Genus Synonyms:
=Plurigens Finlay, 1930
Synonymised Names:
=Chamelea bollonsi (Powell, 1932)
=Chamelea sphaericula (Deshayes, 1853)
=Chione sphaericula (Deshayes, 1853)
=Dione sphaericula Deshayes, 1853
=Tawera bollonsi Powell, 1932
Details: Tawera sphaericula (Deshayes, 1853)
Size/Grows to:
Width 36mm, Height 35mm
Distribution:
Auckland Islands, from 25-27m
Type Data:
  • 16-64 metres, Carnley Harbour, Auckland Islands, NZ, (holotype of Tawera bollonsi Powell, 1932)
Notes:
Marine, Native - Endemic
Description:
Coarse concentric ridges. Bluntly rounded beaks, very thick and solid

View Distribution Map
References and Publications
  • Marshall, B.A., Spencer, H.G. 2013 Comments on some taxonomic changes affecting marine Bivalvia of the New Zealand region recently introduced in Huber's Compendium of bivalves, with some additional taxonomic changes, Molluscan Research, 33(1) (p.44)
  • Huber, M. 2010 Compendium of Bivalves 1, ConchBooks: Hackenheim, Germany (p.717)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.424)

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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