Tenaturris merita is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
The length of the shell varies between 7 mm and 12 mm.
The acuminate ovate-turreted shell contains 6 smooth whorls. It is shortly plicately ribbed, transversely striated, angulated next the simple suture. The outer lip is sharp. The aperture is oblong. The siphonal canal is almost non-existent. Its color is yellowish, the back of body whorl is clouded with brown, with a brown line on the shoulder-angle.
This species occurs in the Pacific Ocean, between Monterey, California and Costa Rica