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Taxonomy
Family: Subfamily:
MACTRIDAE: MACTRINAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Autobranchia (Subclass)
> Heteroconchia (Infraclass)
> Euhetrodonta (Subterclass)
> Imparidentia (Superorder)
> Venerida (Order)
> Mactroidea (Superfamily)
> Mactridae (Family)
> Mactrinae (Subfamily)
> Crassula (Genus)
> aequilatera (Species)
Genus Synonyms:
=Spisula (Crassula) Marwick, 1948
Synonymised Names:
=Mactra aequilatera Reeve, 1854
=Mactra aequilateralis Deshayes, 1854
=Spisula aequilateralis (Deshayes, 1854)
Species Images: Crassula aequilatera (Deshayes, 1854)
Commonly washed up on sandy ocean beaches. 48mm
Taxonomy
Family: Subfamily:
MACTRIDAE: MACTRINAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Autobranchia (Subclass)
> Heteroconchia (Infraclass)
> Euhetrodonta (Subterclass)
> Imparidentia (Superorder)
> Venerida (Order)
> Mactroidea (Superfamily)
> Mactridae (Family)
> Mactrinae (Subfamily)
> Crassula (Genus)
> aequilatera (Species)
Genus Synonyms:
=Spisula (Crassula) Marwick, 1948
Synonymised Names:
=Mactra aequilatera Reeve, 1854
=Mactra aequilateralis Deshayes, 1854
=Spisula aequilateralis (Deshayes, 1854)
Details: Crassula aequilatera (Deshayes, 1854)
Size/Grows to:
Length 75mm, Height 55mm
Distribution:
North, South and Stewart Island. In shallow water off sandy beaches
Geographical Range:
ACFE.
Notes:
Diamond Surf Clam, Marine, Endemic
Distribution Map
 
References and Publications

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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