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Taxonomy
Phylum: Echinodermata
This is not a Mollusc. Other non-Molluscan Phyla (Echinodermata, Brachiopoda etc) have been included to help identify species that may be mistaken for Mollusca, but are not.
Family:
DIADEMATIDAE
Full Classification:
Echinodermata (Phylum)
> Echinozoa (Subphylum)
> Echinoidea (Class)
> Euechinoidea (Subclass)
> Diadematoida (Order)
> Diadematidae (Family)
> Centrostephanus (Genus)
> rodgersii (Species)
Images: Centrostephanus rodgersii (A. Agassiz, 1864)
At extreme low tide, Matai Bay, Karikari Peninsula, Northland, NZ
At extreme low tide, Matai Bay, Karikari Peninsula, Northland, NZ
Under rock ledge, below low tide, Henderson Bay, Far North, NZ. 20-25cm
Taxonomy
Phylum: Echinodermata
This is not a Mollusc. Other non-Molluscan Phyla (Echinodermata, Brachiopoda etc) have been included to help identify species that may be mistaken for Mollusca, but are not.
Family:
DIADEMATIDAE
Full Classification:
Echinodermata (Phylum)
> Echinozoa (Subphylum)
> Echinoidea (Class)
> Euechinoidea (Subclass)
> Diadematoida (Order)
> Diadematidae (Family)
> Centrostephanus (Genus)
> rodgersii (Species)
Details: Centrostephanus rodgersii (A. Agassiz, 1864)
Size/Grows to:
120mm
Distribution:
North of the North Island, the east coast of Australia including Tasmania, New Caledonia, and Lord Howe Island, from 0-30 metres
Geographical Range:
KA
Notes:
Marine, Long hollow spines, brittle, and sharp
Distribution Map
 
References and Publications
  • Mills, S., Neill, K., Anderson, O., Davey, N. 2017 Extraordinary Echinoderms. A guide to the echinoderms of New Zealand. Version 2, Niwa Guides (p.58)

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