Calliostoma africanum Bartsch, 1915 Calliostoma africana Bartsch, 1915: 162, pl. 24, figs 2, 4, 6. Type loc.: Port Alfred, E. Cape; holotype in USNM (249765). Clanculus exquisita Turton, 1932: 180, pl. 43, no. 1268. Type loc.: Port Alfred, E. Cape; holotype in OXUM. Syn. nov. Calliostoma convexa Turton, 1932: 193, pl. 49, no. 1345. Type loc.: Port Alfred, E. Cape; type material probably in OXUM, but verification required. Calliostoma africanum — Barnard, 1963 a: 255. Kensley, 1973: 35, fig. 56. Richards, 1981: 34, pl. 8, fig. 51. Springsteen, 1981: 5, fig. 10. Kilburn & Rippey, 1982: 39, pl. 8, fig. 1. Steyn & Lussi, 1998: 22, fig. 66. Branch et al., 2010: 174, fig. 76.2. Marais, 2011: 60. Lussi, 2014: 14, un-numbered figure. ...