Imbricaria bacillum, common name the Philippine mitre, is a species of sea snail, a marine gastropod mollusk in the family Mitridae, the miters or miter snails.
The length of the shell varies between 14mm32.4mm.
The shell is spirally grooved and longitudinally striped with greenish or bluish grey.[1]
This marine species off the Andamans, the Philippines and off Samoa.