Shell small, fusiform, biconic, with high elevated spires and straight sides; shoulder sharply angled, ornamented with numerous large rounded knobs; spire whorls coronated, ornamented with small rounded knobs; body whorl smooth, sculptured with very faint, fine spiral threads; aperture narrow, straight; shell color white, overlaid with variable amounts of small brown flammules and rows of brown dots and dashes Type Species: Conus scopolorum Van Mol, Tursch, and Kempf, 1971, by monotypy. From offshore northern Brazil and the Islands of Fernando de Noronha and Atol das Rocas.

Although resembling members of the Caribbean endemic genus Tenorioconus, the new genus Brasiliconus differs in consistently having a smaller shell with a proportionally higher spire, far more protracted spire. Unlike Tenorioconus, the new Brazilian genus is distinctly biconic, often with a spire that is equal in length to the body whorl. Brasiliconus, represented by a single species, is confined to the Cearaian Subprovince of the Brazilian Molluscan Province and ranges from Amapa State to Fernando de Noronha Island and Canopus Bank.