Drillia ballista

Drillia ballista is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.

Description
The size of an adult shell varies between 11 mm and 22 mm. The shell is wax-yellow. It is narrowly sinuate with the anal sinus pretty deep.

Distribution
This species occurs in the demersal zone of the Atlantic Ocean off West Africa, Guinea