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Taxonomy
Family:
THYASIRIDAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Autobranchia (Subclass)
> Heteroconchia (Infraclass)
> Euhetrodonta (Subterclass)
> Imparidentia (Superorder)
> Lucinida (Order)
> Thyasiroidea (Superfamily)
> Thyasiridae (Family)
> Leptaxinus (Genus)
> cookianus (Species)
Genus Synonyms:
=Thyasira (Leptaxinus) A.E. Verrill & Bush, 1898
Images: Leptaxinus cookianus (Fleming, 1950)
Collected 1 Sep 1951, E of D'Urville Island, Cook Strait, NZ (M.008079). 1.1mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Collected 1 Sep 1951, E of D'Urville Island, Cook Strait, NZ (M.008079). 1.1mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Taxonomy
Family:
THYASIRIDAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Autobranchia (Subclass)
> Heteroconchia (Infraclass)
> Euhetrodonta (Subterclass)
> Imparidentia (Superorder)
> Lucinida (Order)
> Thyasiroidea (Superfamily)
> Thyasiridae (Family)
> Leptaxinus (Genus)
> cookianus (Species)
Genus Synonyms:
=Thyasira (Leptaxinus) A.E. Verrill & Bush, 1898
Details: Leptaxinus cookianus (Fleming, 1950)
Size/Grows to:
Width 1mm, Height 1.1mm
Distribution:
North-eastern and south-western North Island, northern and south-western South Island, Chatham Islands and Chatham Rise, from 15-257m
Type Data:
  • S of East Cape, NZ, (paratype)
  • 50 metres, off Cape Farewell Lighthouse, NZ, (holotype)
Notes:
Marine, Native - Endemic
View Distribution Map
References and Publications
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.387)
  • Fleming, C.A. 1950 New Zealand Recent Thyasiridae (Mollusca), Transactions and Proceedings of the Royal Society of New Zealand, 78(2) (p.252) Original Description

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
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