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Taxonomy
Family: Subfamily:
PHOLADIDAE: MARTESIINAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Autobranchia (Subclass)
> Heteroconchia (Infraclass)
> Euhetrodonta (Subterclass)
> Imparidentia (Superorder)
> Myida (Order)
> Pholadoidea (Superfamily)
> Pholadidae (Family)
> Martesiinae (Subfamily)
> Pholadidea (Genus)
> tridens (Species)
Synonymised Names:
=Talona tridens Gray, 1843 (original combination)
Images: Pholadidea tridens (Gray, 1843)
Leigh, Northland. Dead around rocks at low tide. 27mm. © rights reserved
Living in soft mudstone at low tide, Cissy Bay, Marlborough Sounds, NZ. 20-25mm. © rights reserved
Lives boring into soft rock in the intertidal zone, north Auckland, NZ. 18mm. © rights reserved
Taxonomy
Family: Subfamily:
PHOLADIDAE: MARTESIINAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Autobranchia (Subclass)
> Heteroconchia (Infraclass)
> Euhetrodonta (Subterclass)
> Imparidentia (Superorder)
> Myida (Order)
> Pholadoidea (Superfamily)
> Pholadidae (Family)
> Martesiinae (Subfamily)
> Pholadidea (Genus)
> tridens (Species)
Synonymised Names:
=Talona tridens Gray, 1843 (original combination)
Details: Pholadidea tridens (Gray, 1843)
Size/Grows to:
Length 30mm, Height 14mm
Distribution:
North Island, northern and far southern South Island, and Chatham Islands. Intertidal and immediate sublittoral, from 0-220m
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.429)
  • Gray, J.E. 1843 Catalogue of the species of Mollusca and their shells, which have hitherto been recorded as found at New Zealand, with the description of some lately discovered species, Travels in New Zealand; with contributions to the geography, geology, botany, and natural history of that country, 2 (p.254) 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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