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Taxonomy
Family:
THRACIIDAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Autobranchia (Subclass)
> Heteroconchia (Infraclass)
> Euhetrodonta (Subterclass)
> Anomalodesmata (Superorder)
> Thracioidea (Superfamily)
> Thraciidae (Family)
> Barythaerus (Genus)
> biconvexus (Species)
Synonymised Names:
=Myadora biconvexa Powell, 1927
Images: Barythaerus biconvexus (Powell, 1927)
Collected Jun 1955, off Poutama Island, South Cape, NZ. (M.019878). © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Collected Jun 1955, off Poutama Island, South Cape, NZ. (M.019878). © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Collected Jun 1955, off Poutama Island, South Cape, NZ. (M.019878). © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Taxonomy
Family:
THRACIIDAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Autobranchia (Subclass)
> Heteroconchia (Infraclass)
> Euhetrodonta (Subterclass)
> Anomalodesmata (Superorder)
> Thracioidea (Superfamily)
> Thraciidae (Family)
> Barythaerus (Genus)
> biconvexus (Species)
Synonymised Names:
=Myadora biconvexa Powell, 1927
Details: Barythaerus biconvexus (Powell, 1927)
Size/Grows to:
Width 2.9mm, Height 2mm
Distribution:
Off Soutb West Otago from 180 metres
Geographical Range:
FE.
Notes:
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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