Lirapex costellatus

Lirapex costellatus is a species of sea snail, a marine gastropod mollusc in the family Peltospiridae.

Description
The length of the shell attains 3.6 mm. Lirapex costellatus form shallow marine sediments. It is a chemosymbiotroph. It has sexual reproduction.

Distribution
This marine species occurs on the Mid-Atlantic Ridge at a depth of 685 m.