Tricolia adusta Nangammbi & Herbert, 2006

Tricolia adusta Nangammbi & Herbert, 2006: 12, figs 1–16. Nangammbi, 2010: 90, figs 2.16–2.19. Nangammbi et al. in press. Type loc.: Cracker Reef, Aliwal Shoal, KwaZulu-Natal; holotype in NMSA (E7143/T2013).

Distribution. Northern Zululand (off Kosi Bay) to southern Transkei (off Qora River); beach-drift to 140 m (living shallow subtidal to 70 m).