Ilanga bicarinata sphinx Herbert, 1987
Ilanga undata sphinx Herbert, 1987c: 328, figs 85, 88–93. Type loc.: off Whale Rock, Transkei (31°58.8ʹS: 29°16.6ʹE), 90 m; holotype in NMSA (C9946/T3504).
Distribution. Central Zululand (off Neill Peak) to E. Cape (off East London); 70–500 m (living 90–400 m).