A not fully grown shell from station 3 (Shark Bay) which is pretty large, brown in colour, with about 15 evenly increasing whorls; the protoconch shows the typical sculpture of two spiral keels, which are crossed by axial riblets, while the following whorls are sculptured with three cords of tubercles, the last whorl has on the base another tubercled cord and three smooth cords. Height 7 mm, diameter 2.3 mm.

Diagnosis
Holotype height 7.0 mm. Shape of the shell initially conical; the last two whorls are inflated, but this shape may not be typical: it may be due to a failed predatory attempt and shell regrowth. Teleoconch of 10 whorls, which have three tubercled spiral cords; the first cord appears on the second whorl. A fine barely visible suprasutural smooth cord is also present. A fourth slightly tubercled spiral cord is present on the last whorl, and three further almost smooth cords are present on the base. Peristome not fully developed, because the specimen is sub-adult. Only the last whorl of the protoconch is present; due to its size, it is likely multispiral. It bears two keels and axial riblets. Colour brown; tubercles lighter on the lower half of the shell.

Western Australia. Sharks Bay.