List of non-marine molluscs of Seychelles

The non-marine molluscs of Seychelles are a part of the molluscan wildlife of Seychelles.

Freshwater gastropods
Paludomidae
 * Paludomus ajanensis Morelet, 1860

Land gastropods


Streptaxidae - There are 20 species of Streptaxidae on the Seychelles. Seven genera of Streptaxidae are endemic to the Seychelles: Stereostele, Imperturbatia, Silhouettia, Careoradula, Augustula, Priodiscus and Acanthennea.


 * 1) Acanthennea erinacea (Martens, 1898) - endemic
 * 2) Augustula braueri (Martens, 1898) - endemic
 * 3) Careoradula perelegans (Martens, 1898) - endemic
 * 4) Conturbatia crenata Gerlach, 2001 - endemic to Frégate Island, possibly extinct
 * 5) Edentulina dussumieri (Dufo, 1840) - subspecies: Edentulina dussumieri dussumieri (Dufo, 1840); Edentulina dussumieri reservae Gerlach & Bruggen, 1999; Edentulina dussumieri silhouettae Gerlach & Bruggen, 1999; Edentulina dussumieri praslina Gerlach & Bruggen, 1999. The subspecies praslina is only known as subfossil.
 * 6) Edentulina moreleti (Adams, 1868) - endemic
 * 7) Glabrennea gardineri (Sykes, 1909) - endemic
 * 8) Glabrennea silhouettensis (Verdcourt, 1994) - endemic
 * 9) Glabrennea thomasseti (Sykes, 1909) - endemic
 * 10) Gonaxis quadrilateralis Preston, 1910 / Gonaxis (Macrogonaxis) quadrilateralis (Preston, 1910) / Macrogonaxis quadrilateralis - introduced in 1958 to biological control two species of Achatina, but it has failed
 * 11) Huttonella bicolor (Hutton, 1834)
 * 12) Imperturbatia constans (Martens, 1898) - endemic
 * 13) Imperturbatia violescens (Martens, 1898) - endemic - Gerlach & Bruggen (1999) have spelled the specific name as Imperturbatia violascens
 * 14) Priodiscus costatus - endemic
 * 15) Priodiscus serratus (Adams, 1868) - endemic
 * 16) Priodiscus spinatus - endemic
 * 17) Seychellaxis souleyetianus (Petit, 1841) - endemic
 * 18) Silhouettia silhouettae (Martens, 1898) - endemic
 * 19) Stereostele nevilli (Adams, 1868) - endemic - subspecies: Stereostele nevilli nevilli (Adams, 1868) and Stereostele nevilli parvidentata Gerlach & Bruggen, 1999
 * 20) Streptostele acicula (Morelet, 1877)