Two shells from station 193 (0°30.2’ N, 97°59.7’E, 132 m depth, in the canal south of Nias Island, Sumatra), of which one is not fully grown, the other one very worn and lacks the apex; they belong to a species with a tube protruding from the back of the last whorl (Iniforis Jousseaume); this species seems not to be known yet. The faded shell lacks colour and is slender, the brown pointed protoconch has 5 whorls and is sculptured with two spiral keels and axial riblets. The following 12 whorls have two rows of tubercles, of which the upper one is weaker than the lower one, they are connected by spiral threads and diagonal folds, in this way the tubercles of the upper row lies above the interspaces of the lower row, a fine spiral thread is present in the groove between the two rows of tubercles. The last whorl has a strong spiral cord with tubercles which forms an angle at the periphery, on the lower part of the last whorl and under the tube another spiral thread is visible; underneath the long and strong tube on the last whorl, the lower row of tubercles is bended around the tube and then approaches the upper edge of the whorl, in the middle of the peristome a further weak spiral cord is present. The aperture is small and rounded, the siphonal canal is closed. Height (with the protoconch whorls but without the missing lower part) about 4.5 mm, diameter 1 mm.”

Diagnosis
Lectotype height 4.1 mm, but lacks the protoconch. Shell conical, with rather flat sides. Teleoconch of ca. 11 whorls, which have two strong tubercled spiral cords; the first cord is weaker than the second. A fine suprasutural smooth cord may be present. The last whorl has a third spiral cord, probably weakly tubercled, but lectotype conditions are too poor to better define this character. The base seems smooth. A strong tubular posterior siphonal canal is present. The peristome seems to host an additional cord between the two main ones. According to the original description, the protoconch has five whorls which bear two spiral keels and axial riblets. The colour cannot be described on the basis of the lectotype; the protoconch is described as brown.

Remarks
The juvenile specimen cited in the original description and which probably had a complete protoconch was not found in the Berlin collection. The specimen found is clearly the specimen illustrated by Thiele.

Indonesia. Sumatra. Nias-South Channel.