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Taxonomy
Family: Subfamily:
TROCHIDAE: UMBONIINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Vetigastropoda (Subclass)
> Trochida (Order)
> Trochoidea (Superfamily)
> Trochidae (Family)
> Umboniinae (Subfamily)
> Zethalia (Genus)
> zelandica (Species)
Genus Synonyms:
=Umbonium Link, 1807
=Ethaliopsis Cossmann, 1918
Synonymised Names:
=Globulus anguliferus Philippi, 1852
=Rotella zelandica Hombron & Jacquinot, 1848
=Umbonium zelandicum A. Adams, 1854
Images: Zethalia zelandica (Hombron & Jacquinot, 1855)
Kaimaumau Beach, Far North, NZ. 23mm
Kaimaumau Beach, Far North, NZ. 23mm
Kaimaumau Beach, Far North, NZ. 23mm
Taxonomy
Family: Subfamily:
TROCHIDAE: UMBONIINAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Vetigastropoda (Subclass)
> Trochida (Order)
> Trochoidea (Superfamily)
> Trochidae (Family)
> Umboniinae (Subfamily)
> Zethalia (Genus)
> zelandica (Species)
Genus Synonyms:
=Umbonium Link, 1807
=Ethaliopsis Cossmann, 1918
Synonymised Names:
=Globulus anguliferus Philippi, 1852
=Rotella zelandica Hombron & Jacquinot, 1848
=Umbonium zelandicum A. Adams, 1854
Details: Zethalia zelandica (Hombron & Jacquinot, 1855)
Size/Grows to:
Width 26mm, Height 15mm
Distribution:
North, South, Stewart and Chatham Islands. Lower littoral to sublittoral
Geographical Range:
ACFM
Notes:
Wheel Shell, Marine, Native - Endemic
Distribution Map
 
References and Publications
  • Beu, A.G., Maxwell, P.A. 1990 Cenozoic Mollusca of New Zealand, New Zealand Geological Survey, 58 (p.347)
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.65)

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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