Pyramidella (Otopleura) glans Reeve, 1843 (basionym) Otopleura glans, common name the acorn pyram, is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.

[1] The white shell has a narrow chocolate band above and below the suture.

The lower half of the body whorl is chocolate colored.

The shell is longitudinally closely ribbed.

[2] This marine species occurs off Vietnam and the Philippines.