Gemmula speciosa, common name the splendid turrid, is a species of sea snail, a marine gastropod mollusk in the family Turridae, the turrids.

The principal keel, forming the angle of the whorls, is broad and corded, with a sloping shoulder above it and studded with raised granules.

The shell is yellowish white, the ribs ochraceous.

The peripheral keel and the primary spiral cords show light-brown continuous lines.

[2] This marine species occurs in the Indo-West Pacific; in the South China Sea, Nansha Islands; Arabian Sea, Japan, the Philippines; off Papua New Guinea.