Neothyris lenticularis (Deshayes, 1839)
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.
Brachiopoda (Phylum) > Rhynchonellata (Class) > Terebratulida (Order) > Terebratellidae
(Family) > Neothyris
(Genus) > lenticularis (Species)
Southern South Island and Chatham Islands, 10-600 metres