Pleioptygma helenae is a species of sea snail, a marine gastropod mollusk in the family Pleioptygmatidae.

[4] The type locality is Gorda Bank, Honduras.

[1] Fossil record from Neogene include southeastern USA.

[1] The maximum recorded shell length is 123 mm.

[5] The anatomy of the family Pleioptygmatidae is defined according to this the only extant species.