Clavus exasperatus, common name the exasperating turrid, is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
The shell is white, with a broad chestnut band below the periphery.
The tuberculations of the periphery are short.
There is usually a revolving row of nodules below the middle of the body whorl.
[3] This species occurs in the demersal zone of tropical waters in the Indo-Pacific and off the Mascarene Basin and Réunion and Mozambique; also off Papua New Guinea and Australia (Northern Territory, Queensland, Western Australia).