Ilanga bicarinata is a species of sea snail, a marine gastropod mollusk in the family Solariellidae.

Its color is white, closely painted longitudinally with wide brown stripes.

The interspaces are concave, spirally closely lineated, concentrically striated.

The color of the shell is brownish or yellowish, variegated with reddish flammules.

[3] This shell is characterized externally by a certain metallic hue, whilst it is particularly iridescent in the interior.