Drillia torosa Carpenter, 1864 (original combination) Pseudomelatoma torosa is a species of predatory sea snail, a marine gastropod mollusk in the family Pseudomelatomidae.

[1] The whorls show an angulated shoulder bearing nodulous terminations of about ten short oblique ribs.

The color of the shell is burnt-brown, under an olivaceous epidermis.

The shell of the subspecies P. t. aurantia is orange-colored, sometimes spirally striate.

[2] This marine species occurs off southern California, USA.