See text Austrodrillia is a genus of sea snails, marine gastropod mollusks in the family Horaiclavidae.

The sculpture consists of nodose ribs that do not attain the suture, and fine spiral threads which are most dense at the summit of the whorl.

The wide sinus is U-shaped, its right margin resting on a massive insertion callus.

[4] This marine genus occurs off Australia and New Zealand.

One species is found in the Atlantic Ocean off St. Helena.