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Taxonomy
Family:
CYAMIIDAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Autobranchia (Subclass)
> Heteroconchia (Infraclass)
> Euhetrodonta (Subterclass)
> Imparidentia (Superorder)
> Cyamioidea (Superfamily)
> Cyamiidae (Family)
> Cyamiomactra (Genus)
> problematica (Species)
Genus Synonyms:
=Cyamium (Cyamiomactra) F. Bernard, 1897
=Mactra (Heteromactra) Lamy, 1906
Synonymised Names:
=Cyamiomactra problematica var. truncata Suter, 1911
=Cyamium (Cyamiomactra) problematicum (F. Bernard, 1971)
=Mysella attenuata Dell, 1956
Images: Cyamiomactra problematica F. Bernard, 1897
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Taxonomy
Family:
CYAMIIDAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Autobranchia (Subclass)
> Heteroconchia (Infraclass)
> Euhetrodonta (Subterclass)
> Imparidentia (Superorder)
> Cyamioidea (Superfamily)
> Cyamiidae (Family)
> Cyamiomactra (Genus)
> problematica (Species)
Genus Synonyms:
=Cyamium (Cyamiomactra) F. Bernard, 1897
=Mactra (Heteromactra) Lamy, 1906
Synonymised Names:
=Cyamiomactra problematica var. truncata Suter, 1911
=Cyamium (Cyamiomactra) problematicum (F. Bernard, 1971)
=Mysella attenuata Dell, 1956
Details: Cyamiomactra problematica F. Bernard, 1897
Size/Grows to:
Width 4.5mm, Height 3mm
Distribution:
Southern South Island and Subantarctic Islands
Geographical Range:
FMAn
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.399)
  • Crozier, M. 1966 New species and records of Mollusca from off the Three Kings Islands, New Zealand., Transactions of the Royal Society of New Zealand, 8 (p.43)

*98 © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)

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