Ophiopsammus maculata (Verrill, 1869)
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) > Ophiuroidea (Class) > Myophiuroidea (Subclass) > Metophiurida (Infraclass) > Ophintegrida (Superorder) > Ophiacanthida (Order) > Ophiodermatoidea (Superfamily) > Ophiodermatidae
(Family) > Ophiopsammus
(Genus) > maculata (Species)
Throughout NZ, from Northland to Stewart Island, from low tide
Marine, Endemic, Dark crimson with distinctive small red spots over entire dorsal surface and ventral disc