Ericusa fulgetrum (Lightning volute)

The species Latin name fulgetrum means “lightning” (hence the common name).

The shell of Ericusa fulgetrum can reach a length of 75–200 millimetres (3.0–7.9 in). It is solid and fusiform. The colour pattern is quite variable, the base colour may be yellowish, pale brown or reddish. It has a glossy marbled surface, sometimes with dark brown zig-zag bands. The whorls are regular and convex. Protoconch is smooth and rounded and the aperture is elongate, with a thickened outer lip. This nocturnal snail predates on small invertebrates.

This species is endemic to South Australia.