Genus : Demoulia
Family: Nassariidae (Mollusca/Gastropoda)
Taxon : Marine Molluscs
Group : Animal
A squat shell to 20 mm with convex whorls and a short, angled siphonal canal. Fine spiral threads intersect rounded axial ribs with rounded nodules at the periphery. The umbilicus is narrow and the outer lip has teeth with weak ridges inside. Infratidal near coral reefs. Preys on corals.