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Taxonomy
Family: Subfamily:
MYTILIDAE: LITHOPHAGINAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Pteriomorphia (Subclass)
> Mytilida (Order)
> Mytiloidea (Superfamily)
> Mytilidae (Family)
> Lithophaginae (Subfamily)
> Zelithophaga (Genus)
> truncata (Species)
Images: Zelithophaga truncata (Gray, 1843)
Eastern Beach, Auckland, NZ. 34mm. © rights reserved
Warkworth, NZ. 34mm. © rights reserved
Buried in soft mudstone at mid/low tide, Whangaparaoa Peninsula, Auckland, NZ. 40-45mm. © rights reserved
Taxonomy
Family: Subfamily:
MYTILIDAE: LITHOPHAGINAE
Full Classification:
Mollusca (Phylum)
> Bivalvia (Class)
> Pteriomorphia (Subclass)
> Mytilida (Order)
> Mytiloidea (Superfamily)
> Mytilidae (Family)
> Lithophaginae (Subfamily)
> Zelithophaga (Genus)
> truncata (Species)
Details: Zelithophaga truncata (Gray, 1843)
Size/Grows to:
Length 50mm, Height 15mm
Distribution:
North and South Islands. Boring into soft rock, from 0-282m
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.374)
  • 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.259) 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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