Vexillum interruptum is a species of small sea snail, marine gastropod mollusk in the family Costellariidae, the ribbed miters.

(Described as Turricula (Pusia) nodulosa) The thick shell is oblong ovate.

The ribs are round, prominent, remote, somewhat oblique and curved, on the spire and upper part of the body whorl swollen, becoming obsolete on the lower part of the body whorl, transversely encircled with close set elevated striae.

The columella is four-plaited and slightly callous at top.

The shell is white; the striae on the lower half of the whorls are reddish-chestnut.