Turridrupa is a genus of sea snails, marine gastropod mollusks in the family Turridae, the turrids.
The adult sculpture consists of numerous revolving keels, one or more of which may break up into bead rows.
The fasciole (= spiral band on the edgse of a canal formed by successive growth lines) is indefinite.
The siphonal notch has a short subcircular incision with a raised margin.
[3] This marine species occurs in the Indo-Pacific and off Australia.