Pleioptygma helenae

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

It is the only known living species in this genus and the only extant species in the family Pleioptygmatidae.

Distribution
Honduras.

The type locality is Gorda Bank, Honduras.

Fossil record from Neogene include southeastern USA.



Description
The maximum recorded shell length is 123 mm.

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

Habitat
Minimum recorded depth is 37 m. Maximum recorded depth is 150 m.