Clavus aenigmaticusClavus aenigmaticus is a species of sea snail, a marine gastropod mollusk in the family Drilliidae. Described by Wells in 1991, this marine gastropod is endemic to Australia, specifically found off the coast of Western Australia.DescriptionThe length of the shell attains 18.6 mm.DistributionThis is a marine species endemic to Australia and occurring off Western Australia.