Astropecten polyacanthus Müller & Troschel, 1842
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.
Echinodermata (Phylum) > Asterozoa (Subphylum) > Asteroidea (Class) > Valvatacea (Superorder) > Paxillosida (Order) > Astropectinidae
(Family) > Astropecten
(Genus) > polyacanthus (Species)
Northern North Island to East Cape, NZ and Kermadec Islands. Also widespread in other areas of the Pacific
Marine, 5 straight arms, edged with sharp pointed spines. Intertidal to sublittoral