List of non-marine molluscs of Seychelles


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

Freshwater gastropods

- 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 - endemic
  2. Augustula braueri - endemic
  3. Careoradula perelegans - endemic
  4. Conturbatia crenata Gerlach, 2001 - endemic to Frégate Island, possibly extinct
  5. Edentulina dussumieri - subspecies: Edentulina dussumieri dussumieri ; 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 - endemic
  7. Glabrennea gardineri - endemic
  8. Glabrennea silhouettensis - endemic
  9. Glabrennea thomasseti - endemic
  10. Gonaxis quadrilateralis Preston, 1910 / Gonaxis quadrilateralis / Macrogonaxis quadrilateralis - introduced in 1958 to biological control two species of Achatina, but it has failed
  11. Huttonella bicolor
  12. Imperturbatia constans - endemic
  13. Imperturbatia violescens - endemic - Gerlach & Bruggen have spelled the specific name as Imperturbatia violascens
  14. Priodiscus costatus - endemic
  15. Priodiscus serratus - endemic
  16. Priodiscus spinatus - endemic
  17. Seychellaxis souleyetianus - endemic
  18. Silhouettia silhouettae - endemic
  19. Stereostele nevilli - endemic - subspecies: Stereostele nevilli nevilli and Stereostele nevilli parvidentata Gerlach & Bruggen, 1999
  20. Streptostele acicula

    Freshwater bivalves