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Taxonomy
Family:
TRIMUSCULIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Tectipleura (Subterclass)
> Eupulmonata (Superorder)
> Ellobiida (Order)
> Ellobioidea (Superfamily)
> Trimusculidae (Family)
> Trimusculus (Genus)
> conicus (Species)
Genus Synonyms:
=Clypeus Scacchi, 1833
=Gadinalea Iredale, 1940
=Gadinia Gray, 1824
=Mouretia G.B. Sowerby I, 1835
=Rowellia Carpenter, 1864
Synonymised Names:
=Amalthea hexagona Suter, 1906
=Gadinia angasi Dall, 1870
=Gadinia conica Angas, 1867
=Gadinia nivea Hutton, 1878
=Trimusculus niveus (Hutton, 1878)
Images: Trimusculus conicus (Angas, 1867)
At half tide under overhanging rocks, Bluff, Southland, NZ. 22mm
In shallow cave at low tide, Far North, NZ. 15mm
In shallow cave at low tide, Far North, NZ. 15mm
Taxonomy
Family:
TRIMUSCULIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Heterobranchia (Subclass)
> Euthyneura (Infraclass)
> Tectipleura (Subterclass)
> Eupulmonata (Superorder)
> Ellobiida (Order)
> Ellobioidea (Superfamily)
> Trimusculidae (Family)
> Trimusculus (Genus)
> conicus (Species)
Genus Synonyms:
=Clypeus Scacchi, 1833
=Gadinalea Iredale, 1940
=Gadinia Gray, 1824
=Mouretia G.B. Sowerby I, 1835
=Rowellia Carpenter, 1864
Synonymised Names:
=Amalthea hexagona Suter, 1906
=Gadinia angasi Dall, 1870
=Gadinia conica Angas, 1867
=Gadinia nivea Hutton, 1878
=Trimusculus niveus (Hutton, 1878)
Details: Trimusculus conicus (Angas, 1867)
Size/Grows to:
Length 29mm, Width 23mm, Height 15mm
Distribution:
Throughout NZ including Stewart and Chatham Islands. Also eastern and southern Australia, and Kermadecs
Geographical Range:
KACFM
Notes:
Marine
Distribution Map
 
References and Publications
  • Brook, F.J., Marshall, B.A. 1998 The coastal molluscan fauna of the northern Kermadec Islands, southwest Pacific Ocean, Journal of the Royal Society of New Zealand, 28 (p.232)
  • Walsby, J.R., Morton, J.E. 1982 Chitons, Limpets & Topshells & Pulmonates (Amphineura, Archaeogastropoda & Pulmonata), Marine Molluscs, University of Auckland, Leigh Marine Laboratory, 1 (p.82)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.291)
  • Angas, G.F. 1867 Descriptions of thirty-two species of marine shells from the coast of New South Wales, Proceedings of the Zoological Society of London (p.115) 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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