Mangilia perlonga Melvill, 1899 (original combination) Pseudorhaphitoma perlonga is a small sea snail, a marine gastropod mollusk in the family Mangeliidae.

(Original description) A very attenuate, fusiform, solid species.

It is eight-whorled, inclusive of the two glassy shining apical, longitudinally strongly ribbed.

The shell contains few ribs, seven on the body whorl, crossed spirally with few intersecting lirae, and between these run many fine striations.

[2] This marine species occurs off Pakistan