Iredalea pupoidea is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
According to Gastropods.com, this species is a synonym of Haedropleura pygmaea (Dunker, R.W., 1860)
The length of the shell attains 7 mm, its diameter 3 mm.
The elongate-ovoid, solid shell has numerous, longitudinal, obtuse ribs. The sutures on the convex-conical spire are impressed. The shell contains 6 whorls. The anal sinus is short and wide. The narrow aperture has an oval shape. The arcuate columella is callous. The color of the shell is white, with a broad chestnut band below the periphery, and tinged with chestnut at the base.
This species occurs in the demersal zone off Queensland, Australia, and the New Hebrides.
