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Austrocidaris canaliculata / left: complete view, upper right: oral view, lower right: apical view.
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Austrocidaris spinulosa / left: complete view, right: detail of primary spines.
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A young Goniocidaris tubaria from southern Australia. Picture by Ashley Miskelly / seaurchins.com.au. Image courtesy of Museum Victoria (https://collections.museumvictoria.com.au/species/14314).
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aboral view of the holotype from Fell, H. B. 1958. Deep-Sea Echinoderms of New Zealand. Zoology Publications from Victoria University of Wellington 24, 1-40.
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ambital ambulacral plates from Fell, H. B. 1958. Deep-Sea Echinoderms of New Zealand. Zoology Publications from Victoria University of Wellington 24, 1-40.