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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)
> Leukoma (Genus)
> crassicosta (Species)
Genus Synonyms:
=Protothaca Dall, 1902
=Protothaca (Tuangia) Marwick, 1927
=Tuangia Marwick, 1927
=Venus (Leukoma) Römer, 1857
Synonymised Names:
=Protothaca (Tuangia) crassicosta (Deshayes, 1835)
=Protothaca crassicosta (Deshayes, 1835)
=Venus costata Quoy & Gaimard, 1835
=Venus crassicosta Deshayes, 1835
Images: Leukoma crassicosta (Deshayes, 1835)
Found on fine gravel beaches. 35mm
Taxonomy
Family:
VENERIDAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Autobranchia (Subclass)
> Heteroconchia (Infraclass)
> Euhetrodonta (Subterclass)
> Imparidentia (Superorder)
> Venerida (Order)
> Veneroidea (Superfamily)
> Veneridae (Family)
> Leukoma (Genus)
> crassicosta (Species)
Genus Synonyms:
=Protothaca Dall, 1902
=Protothaca (Tuangia) Marwick, 1927
=Tuangia Marwick, 1927
=Venus (Leukoma) Römer, 1857
Synonymised Names:
=Protothaca (Tuangia) crassicosta (Deshayes, 1835)
=Protothaca crassicosta (Deshayes, 1835)
=Venus costata Quoy & Gaimard, 1835
=Venus crassicosta Deshayes, 1835
Details: Leukoma crassicosta (Deshayes, 1835)
Size/Grows to:
Width 50mm, Height 40mm
Distribution:
North, South, Stewart and Chatham Islands
Geographical Range:
ACFME.
Notes:
Marine, Endemic
Distribution Map
 
References and Publications
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.425)

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
E =
Endemic
I =
Introduced
R =
Recent
Sf =
Subfossil
Fo =
Fossil
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