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Taxonomy
Family: Subfamily:
TROCHIDAE: CANTHARIDINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Vetigastropoda (Subclass)
> Trochida (Order)
> Trochoidea (Superfamily)
> Trochidae (Family)
> Cantharidinae (Subfamily)
> Cantharidus (Genus)
> dilatatus (Species)
Genus Synonyms:
=Cantharidus (Cantharidus) Montfort, 1810
=Cantharidus (Plumbelenchus) Finlay, 1926
=Cantharidus (Pseudomargarella) Donald & Spencer, 2016
=Micrelenchus (Plumbelenchus) Finlay, 1926
=Trochus (Cantharidus) Montfort, 1810
Synonymised Names:
=Cantharidus (Cantharidus) dilatatus (G.B. Sowerby II, 1870) accepted, alternate representation
=Chrysostoma simulata Hutton, 1873
=Elenchus dilatatus G.B. Sowerby II, 1870
=Micrelenchus (Plumbelenchus) dilatatus (G.B. Sowerby II, 1870)
=Micrelenchus dilatatus (G.B. Sowerby II, 1870)
=Photinula suteri E.A. Smith, 1894
Images: Cantharidus dilatatus (G.B. Sowerby II, 1870)
Taupiri Bay, Northland, in beach drift. 9mm
Taupiri Bay, Northland, in beach drift. 9mm
In beach drift, Kaikoura Peninsula, NZ. 6mm
Taxonomy
Family: Subfamily:
TROCHIDAE: CANTHARIDINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Vetigastropoda (Subclass)
> Trochida (Order)
> Trochoidea (Superfamily)
> Trochidae (Family)
> Cantharidinae (Subfamily)
> Cantharidus (Genus)
> dilatatus (Species)
Genus Synonyms:
=Cantharidus (Cantharidus) Montfort, 1810
=Cantharidus (Plumbelenchus) Finlay, 1926
=Cantharidus (Pseudomargarella) Donald & Spencer, 2016
=Micrelenchus (Plumbelenchus) Finlay, 1926
=Trochus (Cantharidus) Montfort, 1810
Synonymised Names:
=Cantharidus (Cantharidus) dilatatus (G.B. Sowerby II, 1870) accepted, alternate representation
=Chrysostoma simulata Hutton, 1873
=Elenchus dilatatus G.B. Sowerby II, 1870
=Micrelenchus (Plumbelenchus) dilatatus (G.B. Sowerby II, 1870)
=Micrelenchus dilatatus (G.B. Sowerby II, 1870)
=Photinula suteri E.A. Smith, 1894
Details: Cantharidus dilatatus (G.B. Sowerby II, 1870)
Size/Grows to:
Height 9mm, Width 8mm
Distribution:
North, South, Stewart and Chatham Islands. On kelp at low tide to about 5 metres
Geographical Range:
ACFME.
Notes:
Marine, Endemic
Distribution Map
 
References and Publications
  • Marshall, B.A. 1998 The New Zealand Recent species of Cantharidus Montfort, 1810 and Micrelenchus Finlay, 1926 (Mollusca: Gastropoda: Trochidae), Molluscan Research, 19 (p.132)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.56)

*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
E =
Endemic
I =
Introduced
R =
Recent
Sf =
Subfossil
Fo =
Fossil
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