Purpuraturris cryptorrhaphe is a species of sea snail, a marine gastropod mollusk in the family Turridae, the turrids.

The shell has a yellowish brown to chestnut-color.

It contains two strong sharp keels, and smaller revolving lines.

The aperture is frequently tinged with purple.

[2] This marine species occurs off Indonesia and Philippines to Papua New Guinea and east to Marshall Islands and Fiji; Queensland, Australia.