Trochus incrassatus: Conical, thick, heavy, solid, whitish, radiately striped above and below with purplish red ; outlines of spire convex ; whorls 7 to 8, coarsely granulose in about 5 or 6 spiral series, of which the upper series is most prominent; periphery rounded ; base a little concave, with about 7 concentric granulose or subgranulose lirae ; aperture strongly lirate within upon the parietal and outer wall, basal margin with four or five teeth ; columella dentate ; umbilical tract nearly smooth or obsoletely spirally plicate. Alt. 30, diam. 30 mill.

Trochus incrassatus: Typically narrower, more solid than T. creniferus, with heavier parietal callus and not so strongly tuberculate around the periphery. T. incrassatus Phil, may be a synonym of T. creniferus.