Clanculus atricatena, common name the black-chained topshell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.

The umbilical shell has a broadly conical shape.

The body whorl is rounded at its periphery.

The umbilicus is wide and is bordered by a callus ridge with small nodules.

This marine species is found off the coast of Transkei, South Africa.