Emarginula undulata Melvill & Standen, 1903
Emarginula undulata Melvill & Standen, 1903: 290, pl. 20, fig. 1. Thiele, 1915 in 1912–1919: 75, pl. 9, figs 10, 11. Herbert & Kilburn, 1986: 12, figs 1–3, 39–44. Singer, 1998: 7. Type loc.: Gulf of Oman (24º 58ʹN: 56º 54ʹE), 156 fathoms [285 m]; lectotype in NMW (1955.158.95), designated by Herbert & Kilburn (1986: 12).
Emarginula vadum Barnard, 1963a: 297, figs 23d, 24b. Kensley, 1973: 30, fig. 43. Kilburn, 1978: 444, pl. 4a, e. Type loc.: off Cape Vidal (Zululand), 80–100 fathoms [146–183 m]; holotype in SAMC (A9329).
Distribution. Western Indian Ocean; Gulf of Oman to southern Transkei (off Qolora River); 47–420 m (living 75– 120 m).