Eutriphora Cotton & Godfrey, 1931

Type species. Triphora cana Verco, 1909; original designation. Recent, southern Australia.

Diagnosis. Paucispiral or multispiral protoconch; paucispiral protoconch blunt-ending with spiral cords of thick, sometimes elongate nodules; multispiral protoconch with embryonic shell minutely granulose and larval shell with axial ribs crossed by two spiral cords; median spiral cord of teleoconch emerges later; presence of supranumerical cords; anterior canal open or subtubular (partly based on Wilson 1993).

Remarks. The genus has up to now six species worldwide (Bouchet & Rosenberg 2014a), two in the western Atlantic (Rosenberg 2009).