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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:
Southern South Island and Stewart Island, from 22-183m
Type Data:
  • 180 metres, off Puysegur Point, Southland, NZ, (syntype)
Notes:
Marine, Native - Endemic
Distribution Map
 
References and Publications
  • Marshall, B.A. 2002 Some Recent Thraciidae, Periplomatidae, Myochamidae, Cuspidariidae and Spheniopsidae (Anomalodesmata) from the New Zealand region and referral of Thracia reinga Crozier, 1966 and Scintillona benthicola Dell, 1956 to Tellimya Brown, 1827 (Montacutidae) (Mollusca : Bivalvia), Molluscan Research, 22 (p.230)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.432)
  • Powell, A.W.B. 1927 Deep-water Mollusca from south-west Otago, with descriptions of 2 new genera and 22 new species., Records of the Canterbury Museum, 3 (p.123) 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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