Clavus falcicosta is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
Description The whorls are not shouldered. The axial ribs do not undulating on base and are not weakening below the suture. The spiral threads are microscopic or absent, except on the rostrum. The base of the body whorl lacks a row of pustules The terminal varix is strong. The subsutural region is not contrastingly dark. 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.
Distribution This marine species occurs off KwaZulu-Natal & Zululand, South Africa.
References
Barnard, K. H. 1958. Contributions to the knowledge of South African marine Mollusca. Pt. 1. Gastropoda: Prosobranchiata: Toxoglossa. Ann. S. Afr. Mus. 44: 73-163