Meridiastra mortenseni (O'Loughlin, Waters & Roy, 2002)
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) > Valvatida (Order) > Asterinidae
(Family) > Meridiastra
(Genus) > mortenseni (Species)
North, South and Stewart Islands
Marine, Endemic, Very similar to Patiriella regularis, but smoother appearance when wet