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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:
ODONTASTERIDAE
Full Classification:
Echinodermata (Phylum)
> Asterozoa (Subphylum)
> Asteroidea (Class)
> Valvatacea (Superorder)
> Valvatida (Order)
> Odontasteridae (Family)
> Diplodontias (Genus)
> dilatatus (Species)
Genus Synonyms:
=Goniodon Perrier, 1894
Images: Diplodontias dilatatus (Perrier, 1875)
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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:
ODONTASTERIDAE
Full Classification:
Echinodermata (Phylum)
> Asterozoa (Subphylum)
> Asteroidea (Class)
> Valvatacea (Superorder)
> Valvatida (Order)
> Odontasteridae (Family)
> Diplodontias (Genus)
> dilatatus (Species)
Genus Synonyms:
=Goniodon Perrier, 1894
Details: Diplodontias dilatatus (Perrier, 1875)
Distribution:
From Cook Strait southwards to the Snares Islands, NZ
Geographical Range:
CFAnE.
Notes:
Marine, Endemic, Intertidal to subtidal, 5 arms
Distribution Map
 
References and Publications

*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