Clavus protentus

The length of the shell attains 13.5 mm, its diameter 4.5 mm.

The elongate turriform shell is white in the subsutural and peripheral region, with the remainder reddish brown. The basal part of the body whorl shows rows of white dots. The shell contains 6-7 whorls, which are concave on top and convex below. The axial ribs are initially arcuate and in later whorls opisthocline, numbering 12 on the penultimate whorl. The dense, spiral threads are very small. The aperture is oblong-ovate. The wide anal sinus has an U-shaped form. The columella is almost straight. The sharp outer lip is thickened towards the suture.^[3]

This marine species is endemic to endemic to Lifou, Loyalty Islands.

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• Hervier, J. (1896b) Descriptions d'espèces nouvelles de l'Archipel de la Nouvelle-Calédonie. Journal de Conchyliologie, 44, 51–95
• Kilburn R.N., Fedosov A. & Kantor Yu.I. (2014) The shallow-water New Caledonia Drilliidae of genus Clavus Montfort, 1810 (Mollusca: Gastropoda: Conoidea). Zootaxa 3818(1): 1-69