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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)
> Cyclomactra (Genus)
> ovata (Species)
Genus Synonyms:
=Mactra (Cyclomactra) Dall, 1895
Synonymised Names:
=Mactra deluta Gould, 1850
=Mactra inflata Hutton, 1873
=Mactra lavata Hutton, 1885
=Spisula ovata Gray, 1843
=Standella aequalis Webster, 1905
=Standella inflata (Hutton, 1873)
Images: Cyclomactra ovata (Gray, 1843)
Kaipara Harbour, Northland, NZ. 75mm
Kaipara Harbour, Northland, NZ. 75mm
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)
> Cyclomactra (Genus)
> ovata (Species)
Genus Synonyms:
=Mactra (Cyclomactra) Dall, 1895
Synonymised Names:
=Mactra deluta Gould, 1850
=Mactra inflata Hutton, 1873
=Mactra lavata Hutton, 1885
=Spisula ovata Gray, 1843
=Standella aequalis Webster, 1905
=Standella inflata (Hutton, 1873)
Details: Cyclomactra ovata (Gray, 1843)
Size/Grows to:
Width 80mm, Height 62mm
Distribution:
Northern and south-western North Island; northern, eastern and southern South Island, and Stewart, Auckland and Chatham Islands. Buried deeply in soft mud
Geographical Range:
ACFMAn
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.413)
  • Willan, R.C. Sep/1966 Notes of Interest: Mactra ovata, Poirieria, 3(4-5) (p.56)
  • Gray, J.E. 1843 Catalogue of the species of Mollusca and their shells, which have hitherto been recorded as found at New Zealand, with the description of some lately discovered species, Travels in New Zealand; with contributions to the geography, geology, botany, and natural history of that country, 2 (p.251) Original Description

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
R =
Recent
Sf =
Subfossil
Fo =
Fossil
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