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Taxonomy
Family:
VENERIDAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Autobranchia (Subclass)
> Heteroconchia (Infraclass)
> Euhetrodonta (Subterclass)
> Imparidentia (Superorder)
> Venerida (Order)
> Veneroidea (Superfamily)
> Veneridae (Family)
> Irus (Genus)
> reflexus (Species)
Genus Synonyms:
=Irus (Irus) Schmidt, 1818 accepted, alternate representation
=Irus (Notirus) Finlay, 1928 accepted, alternate representation
=Irus (Notopaphia) W.R.B. Oliver, 1923 accepted, alternate representation
=Notirus Finlay, 1928
=Notopaphia W.R.B. Oliver, 1923
Synonymised Names:
=Irus (Notirus) reflexus (Gray, 1843) accepted, alternate representation
=Venerupis reflexa Gray, 1843
=Venerupis siliqua Deshayes, 1854
=Venerupis tumida G.B. Sowerby II, 1854
Images: Irus reflexus (Gray, 1843)
Found in holes in soft mud, Whangarei, Northland, NZ. 27mm
Found in holes in soft mud, Whangarei, Northland, NZ. 27mm
Lives in the old borings of Pholads
Taxonomy
Family:
VENERIDAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Autobranchia (Subclass)
> Heteroconchia (Infraclass)
> Euhetrodonta (Subterclass)
> Imparidentia (Superorder)
> Venerida (Order)
> Veneroidea (Superfamily)
> Veneridae (Family)
> Irus (Genus)
> reflexus (Species)
Genus Synonyms:
=Irus (Irus) Schmidt, 1818 accepted, alternate representation
=Irus (Notirus) Finlay, 1928 accepted, alternate representation
=Irus (Notopaphia) W.R.B. Oliver, 1923 accepted, alternate representation
=Notirus Finlay, 1928
=Notopaphia W.R.B. Oliver, 1923
Synonymised Names:
=Irus (Notirus) reflexus (Gray, 1843) accepted, alternate representation
=Venerupis reflexa Gray, 1843
=Venerupis siliqua Deshayes, 1854
=Venerupis tumida G.B. Sowerby II, 1854
Details: Irus reflexus (Gray, 1843)
Size/Grows to:
Length 31mm, Height 24mm
Distribution:
North, South, Stewart and Chatham Islands, and Mernoo Bank. Intertidal, in holes in soft rock
Geographical Range:
ACFM
Notes:
Marine, Native - Endemic
Distribution Map
 
References and Publications
  • Stevenson, A.G. Nov/2004 Collecting Rock Borers in New Zealand, Cookia, 16 (p.27)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.425)

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
R =
Recent
Sf =
Subfossil
Fo =
Fossil
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