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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
Warkworth, NZ. 34mm
Buried in soft mudstone at mid/low tide, Whangaparaoa Peninsula, Auckland, NZ. 40-45mm
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
Geographical Range:
ACF
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

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

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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