Ascetostoma providentiae (Melvill, 1909)

Euchelus providentiae Melvill, 1909: 78, pl. 5, fig. 1. Viader, 1937: 56. Type loc.: Providence I. (Seychelles group), north east of Madagascar; holotype and paratype formerly in NHM (NHMUK 1910.3.17.2–3), but holotype no longer present; paratype figured by Herbert (2012: fig. 18G, H).

Ascetostoma providentiae — Herbert, 2012: 420, figs 4F, 5A, 6A, 18–20.

Distribution. Islands of the western Indian Ocean (southern Seychelles group and Mascarenes) and the Mozambique Channel south to central Zululand (off Mission Rocks); 35–195 m (living 50–85 m).

Clypeostoma Herbert, 2012 . Type species (o.d.): Turcica salpinx Barnard, 1964 .