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Taxonomy
Family:
TURBINIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Vetigastropoda (Subclass)
> Trochida (Order)
> Trochoidea (Superfamily)
> Turbinidae (Family)
> Astraea (Genus)
> heliotropium (Species)
Genus Synonyms:
=Canthorbis Swainson, 1840
=Imperator Montfort, 1810
Synonymised Names:
=Imperator anthropophagus Marwick, 1928
=Imperator aureolatus Montfort, 1810
=Liotia solitaria Suter, 1908
=Solarium radiatum Fischer von Waldheim, 1807
=Trochus heliotropium Martyn, 1784
=Trochus imperialis Gmelin, 1791
Images: Astraea heliotropium (Martyn, 1784)
Trawled off Northland. 94mm
Trawled off Northland. 94mm
Trawled off Northland. 94mm
Taxonomy
Family:
TURBINIDAE
Full Classification:
Mollusca (Phylum)
> Gastropoda (Class)
> Vetigastropoda (Subclass)
> Trochida (Order)
> Trochoidea (Superfamily)
> Turbinidae (Family)
> Astraea (Genus)
> heliotropium (Species)
Genus Synonyms:
=Canthorbis Swainson, 1840
=Imperator Montfort, 1810
Synonymised Names:
=Imperator anthropophagus Marwick, 1928
=Imperator aureolatus Montfort, 1810
=Liotia solitaria Suter, 1908
=Solarium radiatum Fischer von Waldheim, 1807
=Trochus heliotropium Martyn, 1784
=Trochus imperialis Gmelin, 1791
Details: Astraea heliotropium (Martyn, 1784)
Size/Grows to:
Width 120mm, Height 60mm
Distribution:
North, South, Stewart and Chatham Islands
Geographical Range:
ACFM
Notes:
Circular Saw Shell, Marine, Native - Endemic
Distribution Map
 
References and Publications
  • Powell, A.W.B. 1979 New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.66)
  • Dec/1962 Captain Cook's Imperial Sun Trochus Astraea heliotropium, Poirieria, 1(2)
  • Martyn, T. 1784 The universal conchologist, exhibiting the figure of every known shells 1-4, vol 1-4 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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