Dactylastele duplicata is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.

They are ornamented with granose cinguli, with two larger more prominent cinguli at the base of the shell.

A body whorl is subrounded, its base a little convex.

The columella terminates in a tubercle at its base.

[3] This marine species occurs off Western Australia, Queensland and New South Wales.