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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:
TOXOPNEUSTIDAE
Full Classification:
Echinodermata (Phylum)
> Echinozoa (Subphylum)
> Echinoidea (Class)
> Euechinoidea (Subclass)
> Camarodonta (Order)
> Toxopneustidae (Family)
> Tripneustes (Genus)
> gratilla (Species)
Synonymised Names:
=Cidaris angulosa Leske, 1778
=Cidaris variegata Leske, 1778
=Evechinus australiae Tenison-Woods, 1878
=Echinus fasciatus Lamarck, 1816
=Echinus inflatus Blainville, 1825
=Echinus pentagonus Lamarck, 1816
=Echinus peronii Blainville, 1825
=Echinus variegatus (Leske, 1778)
=Echinus virgatus Des Moulins, 1837
=Hipponoe nigricans A. Agassiz, 1863
Images: Tripneustes gratilla (Linnaeus, 1758)
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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:
TOXOPNEUSTIDAE
Full Classification:
Echinodermata (Phylum)
> Echinozoa (Subphylum)
> Echinoidea (Class)
> Euechinoidea (Subclass)
> Camarodonta (Order)
> Toxopneustidae (Family)
> Tripneustes (Genus)
> gratilla (Species)
Synonymised Names:
=Cidaris angulosa Leske, 1778
=Cidaris variegata Leske, 1778
=Evechinus australiae Tenison-Woods, 1878
=Echinus fasciatus Lamarck, 1816
=Echinus inflatus Blainville, 1825
=Echinus pentagonus Lamarck, 1816
=Echinus peronii Blainville, 1825
=Echinus variegatus (Leske, 1778)
=Echinus virgatus Des Moulins, 1837
=Hipponoe nigricans A. Agassiz, 1863
Details: Tripneustes gratilla (Linnaeus, 1758)
Size/Grows to:
170mm
Distribution:
Northern NZ, from 10-100 metres. Widespread in the Pacific and Indian Oceans, in tropical and warm temperate waters
Geographical Range:
KA
Notes:
Marine, Spines very short, solid; usually white but may be orange or nearly black
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.56)

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