Ericusa fulgetrumEricusa fulgetrum, the lightning volute, is a species of sea snail, a marine gastropod mollusk in the family Volutidae, the volutes.EtymologyThe species Latin name fulgetrum means "lightning".DescriptionThe shell of Ericusa fulgetrum can reach a length of. 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.DistributionThis species can be found in South Australia.