Figure 2 (facing page 123). Shells of the five living species of Janthina and two species of Recluzia recognized in this work; apertural views, and left lateral views showing outer lip sinus. (A–F) Janthina janthina (Linnaeus); A–B, D, GNS RM4442, two specimens, beach, Takou Bay, Northland, New Zealand; C, GNS WM15986, "bicolor" form, San Lourenço Beach, Santa Maria I., Azores, Atlantic; E, GNS RM6735, "bicolor" form, Ohope Beach, Whakatane, New Zealand; F, GNS WM15297, beach between Hutchinson Bluff and Rayner Point, Raoul I., Kermadec Islands. (G–J) Janthina globosa (Swainson); G, GNS WM15254, beach, Mauritius, Indian Ocean; H–J, GNS RM5321, two specimens, Muriwai Beach, West Auckland, New Zealand. (K–L) Janthina pallida Thompson, GNS WM15256, beach, Windy Harbour, Cape D'Entrecasteaux, southern Western Australia. (M, O) Janthina exigua Lamarck, GNS RM5626, Nukumaru Beach, Whanganui, New Zealand. (N, Q) Janthina umbilicata d'Orbigny, GNS RM5627, Nukumaru Beach, Whanganui, New Zealand. (P, R) Recluzia johnii (Holten), GNS WM17360, ventral and dorsal views; trawled in sediment, 130–180 m, Swain Reefs, SE Queensland, Australia (shortest specimen, last entry in Table 12).(S–T) Recluzia lutea (Bennett), GNS RM6748, beach, Great Exhibition Bay, Northland, New Zealand (from same sample as Figs 36M–P). Scale bar 10 mm, applies to all figures.