Diancta dilatata sp. n. 29 Holotype MNHN IM-2000-27423, Viti Levu, Saweni karst, 50–60 m, H = 3.89 mm 30 paratype, last whorl opened to show internal lamellae (enlarged, not to scale) 31 operculum 31a inner surface 31b outer surface). Figure 29 ×10, Figure 31 ×40 magnification.