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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 Stewart, Snares, Auckland, Campbell and Bounty Islands, from 0-311m
Type Data:
  • 80 metres, Milford Sound, NZ, (paratype of Mysella attenuata Dell, 1956)
  • 64 metres, off Stewart Island, NZ, (holotype)
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)

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