Cerithium tristoma de Blainville, 1824

Cerithium tristoma de Blainville, 1824: 204 .

Mastonia tristoma (de Blainville, 1824) in Jousseaume 1884: 270.

Triforis tristoma (de Blainville, 1824) in Tryon 1887: 187, pl. 39, fig. 42.

Trifora tristoma (de Blainville, 1824) in Viader 1937: 43.

Notosinister tristomus (de Blainville, 1824) in Kosuge 1962b: 88, pl. 9, fig. 12.

Triphora tristomus (de Blainville, 1824) in Higo, Callmon & Goto, 1999: 209, G1709.

Triphora tristoma (de Blainville, 1824) in Okutani 2000: 317, pl. 157, fig. 85.

Type locality. Mauritius.

Type material. Type material not located so far.

Distribution. Australia (Tryon 1887; Paetel 1888; Kosuge 1962b; Kosuge 1963a), Japan (Kosuge 1962b; Kosuge 1963a; Higo et al. 1999; Okutani 2000), Mauritius (de Blainville 1824; Viader 1937), New Caledonia (Jousseaume 1884; Hervier 1899), Persian Gulf (Bosch et al. 1995; Amini-Yekta & Dekker 2021), Red Sea (Jousseaume 1898; Dekker & Orlin 2000).

Remarks. Figured in de Blainville (1825 –1827: 404, pl. 20, fig. 3). Tryon (1887) suggested that this species could no longer be identified with certainty based on the descriptions of having ‘three mouths’. Okutani (2017) considered this species a synonym of Triphora gemmata de Blainville, 1828 .