Triphora princeps G.B. Sowerby III, 1904

Triphora princeps G.B. Sowerby III, 1904: 174, figured.

Triphora (Euthymia) princeps G.B. Sowerby III, 1904 — Schepman 1909: 172.

Tetraphora princeps (G.B. Sowerby III, 1904) — Kosuge 1981: 97, pl. 31, fig. 1–2.

Type locality. Unknown.

Type material. NHMUK 1904.12.23.147, holotype .

Distribution. Indonesia (Schepman 1909), Japan (Okutani 2017), Philippines (Kosuge 1981; Springsteen & Leobrera 1986; Poppe 2008), Red Sea (Dekker & Orlin 2000).