Trochus adamsianus Schrenck, 1867 Turcica imperialis is a species of sea snail, a marine gastropod mollusk in the family Eucyclidae.

Its color is tawny-red variegated, ornamented by transverse cinguli articulated with chestnut.

The whorls are somewhat convex, with a strong nodulose cingulus at the periphery, and beaded lirulae alternating with elevated lines.

The base of the shell is convex, furnished with concentric granulose cinguli.

The shell is more elevated than Turcica monilifera Its base is more oblique.