Priodiscus

Priodiscus is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Streptaxidae.

Distribution
The genus Priodiscus is endemic to the Seychelles.

Species
There are three species within the genus Priodiscus and they include:
 * Priodiscus costatus
 * Priodiscus serratus (Adams, 1868)
 * Priodiscus spinatus