Calliostoma iridescens G.B. Sowerby (III), 1903

Calliostoma (Astele) iridescens G.B. Sowerby (III), 1903: 223, pl. 5, fig. 4. E.A. Smith, 1906: 54. Type loc.: Cape Natal [Durban Bluff] bearing N ½ W; distant 4½ miles; depth, 55 fathoms [101 m]; holotype in SAMC (A5294). Calliostoma iridescens — Barnard, 1963a: 259, fig. 15d. Kensley, 1973: 36, fig. 61. Springsteen, 1981: 5, fig. 14. Steyn & Lussi, 2005: 13, no. 13. Lussi, 2014: 16, un-numbered figure.

Distribution. Northern Zululand (off Dog Point) to KwaZulu-Natal south coast (off Park Rynie); 48–180 m (living 100 m).