Scutus unguis (Linnaeus, 1758)

Patella unguis Linnaeus, 1758: 783, no. 671. Type loc.: ‘ in Amboina ’ [Ambon Is., Maluku, Indonesia]; Linnean specimens in LSL and UUZM (Hanley 1855; Wallin 2001).

Parmophorus imbricatus Quoy & Gaimard, 1834: 323, pl. 69, figs 17, 18. Krauss, 1848: 62. Type loc.: ‘le havre de Carteret, Nouvelle Irlande’ [Carteret harbour, New Ireland]; type material probably in MNHN.

Parmophorus corrugatus Reeve, 1842a: 50 . Reeve, 1842b: 21, pl. 139, sp. 1. Type loc.: ‘ ad insulam Madagascar ’ [the island of Madagascar]; location of type material unknown (could not be found in NHM, Salvador pers. comm. iv/2015).

Scutus unguis —E.A Smith, 1879: 261. Thiele, 1916 in 1912–1919: 111, pl. 13, fig. 7, pl. 14, fig. 3. Paes da Franca, 1960b: 53, pl. 1, fig. 1. Rowell, 1964: 222 (validation of name). Kilburn, 1978: 450 (further references). Richards, 1981: 34, pl. 7, fig. 46. Kilburn & Rippey, 1982: 36, pl. 6, fig. 15. Drivas & Jay, 1985: 4, fig. 7. Christiaens, 1986: 21. Herbert, 1987: 4, figs 13–17. Drivas & Jay, 1988: 32, pl. 1, fig. 6. Steyn & Lussi, 1998: 12, fig. 26. Jarrett, 2000: 3, fig. 6.

Scutum imbricatum —G.B. Sowerby (III), 1892: 49.

Scutum unguis — E.A. Smith, 1903a: 391. Barnard, 1963a: 301. Kennelly, 1964: 53, pl. 3, fig. 20. Day, 1969: 153. Kensley, 1973: 32, fig. 50.

Scutus corrugatus — Christiaens, 1986: 21 (treated as distinct from S. unguis).

Distribution. Indo-West Pacific south to E. Cape (East London area); living intertidal and shallow subtidal to 25 m.

Notes. Christiaens (1986) maintained SA material was Scutus corrugatus and that this was a distinct species.

Tugali Gray, 1843 . Type species (m.): Tugali elegans Gray, 1843 .