Micropleurotoma melvilli is a species of sea snail, a marine gastropod mollusk in the family Horaiclavidae.
(Original description) The spire of the small, elongate, shell is well raised, varying a good deal in the relative proportions of length and breadth.
It contains 6 whorls, turreted, carinated, regularly but slowly increasing.
The remaining whorls are marked by a strong spiral keel, which is either smooth or bears acute nodules lines of growth well marked.
[2] This species occurs in the demersal zone of the Atlantic Ocean off Portugal at depths between 1340 m and 2000 m.