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Taxonomy
Family:
LASAEIDAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Autobranchia (Subclass)
> Heteroconchia (Infraclass)
> Euhetrodonta (Subterclass)
> Imparidentia (Superorder)
> Galeommatida (Order)
> Galeommatoidea (Superfamily)
> Lasaeidae (Family)
> Arthritica (Genus)
> bifurca (Species)
Synonymised Names:
=Kellia bifurca Webster, 1908
=Lasaea neozelanica Suter, 1913
Images: Arthritica bifurca (Webster, 1908)
Holotype, collected pre 1908, off Orua Bay, Manukau Harbour, Auckland, NZ (MA70374). 6mm. © Auckland Museum (CC-BY)
Holotype, collected pre 1908, off Orua Bay, Manukau Harbour, Auckland, NZ (MA70374). 6mm. © Auckland Museum (CC-BY)
Holotype, collected pre 1908, off Orua Bay, Manukau Harbour, Auckland, NZ (MA70374). 6mm. © Auckland Museum (CC-BY)
Holotype, collected pre 1908, off Orua Bay, Manukau Harbour, Auckland, NZ (MA70374). 6mm. © Auckland Museum (CC-BY)
Collected 22 Feb 1974, Owhanga Bay, Whangaroa Harbour, Northland, NZ (M.041004). 6mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Collected 22 Feb 1974, Owhanga Bay, Whangaroa Harbour, Northland, NZ (M.041004). 6mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Collected 22 Feb 1974, Owhanga Bay, Whangaroa Harbour, Northland, NZ (M.041004). 6mm. © Museum of New Zealand Te Papa Tongarewa (CC-BY-NC-ND)
Taxonomy
Family:
LASAEIDAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Autobranchia (Subclass)
> Heteroconchia (Infraclass)
> Euhetrodonta (Subterclass)
> Imparidentia (Superorder)
> Galeommatida (Order)
> Galeommatoidea (Superfamily)
> Lasaeidae (Family)
> Arthritica (Genus)
> bifurca (Species)
Synonymised Names:
=Kellia bifurca Webster, 1908
=Lasaea neozelanica Suter, 1913
Details: Arthritica bifurca (Webster, 1908)
Size/Grows to:
Width 6mm, Height 5mm
Distribution:
North Island and northern South Island as far south as Banks Peninsula, from 0-72m
Notes:
Marine, Recent, Fossil, Native - Endemic
Distribution Map
 
References and Publications
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.391)
  • Gardner, N.W. Jun/1974 The genus Arthritica Finlay, 1927 - Small Commensal Bivalves, Poirieria, 7(4) (p.77)
  • Webster, W.H. 1908 Additions to the New Zealand fauna., Transactions of the New Zealand Institute, 40 (p.254) Original Description

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

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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