List of non-marine molluscs of Seychelles

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

Location of Seychelles

Freshwater gastropods

Paludomidae

Land gastropods
endemic Careoradula perelegans is the only terrestrial gastropod without radula
endemic Edentulina moreleti is the only one known herbivore streptaxid

Streptaxidae - There are 20 species of Streptaxidae on the Seychelles.[2][3] Seven genera of Streptaxidae are endemic to the Seychelles: Stereostele, Imperturbatia, Silhouettia, Careoradula, Augustula, Priodiscus and Acanthennea.[2]

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

See also

References
  1. Brown D. S. & Gerlach J. (1991). "On Paludomus and Cleopatra (Thiariidae) in Africa and the Seychelles islands". Journal of Molluscan Studies 57(4): 471-479. doi:10.1093/mollus/57.4.471.
  2. Gerlach J. & Bruggen A. C. van (1999). "Streptaxidae Mollusca: Gastropoda: Pulmonata) of the Seychelles Islands, western Indian Ocean". Zoologische Verhandelingen 328: 1-60. abstract, PDF.
  3. Gerlach J. (2001). "Conturbatia, a new genus of Streptaxidae (Mollusca, Gastropoda, Pulmonata)". Zoosystematics and Evolution 77(2): 297-302. doi:10.1002/mmnz.20010770213.
  4. Gerlach J. (2006). Conturbatia crenata. In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.3. <www.iucnredlist.org>. Downloaded on 1 October 2010.
  5. Gerlach J. (2006). Glabrennea gardineri. In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.3. <www.iucnredlist.org>. Downloaded on 2 October 2010.
  6. Gerlach J. (2006). Glabrennea silhouettensis. In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.3. <www.iucnredlist.org>. Downloaded on 2 October 2010.
  7. Gerlach J. (2006). Glabrennea thomasseti. In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.3. <www.iucnredlist.org>. Downloaded on 2 October 2010.
  8. Sutcharit C., Naggs F., Wade C. M., Fontanilla I. & Panha S. (2010). "The new family Diapheridae, a new species of Diaphera Albers from Thailand, and the position of the Diapheridae within a molecular phylogeny of the Streptaxoidea (Pulmonata: Stylommatophora)". Zoological Journal of the Linnean Society 160: 1-16. doi:10.1111/j.1096-3642.2009.00598.x.
  9. Gerlach J. (2000). Imperturbatia violescens. 2006 IUCN Red List of Threatened Species. Downloaded on 7 August 2007.
  10. Gerlach J. (2006). Priodiscus serratus. In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.3. <www.iucnredlist.org>. Downloaded on 6 September 2010.

Further reading
  • Gerlach J. (1998). "The shell-less slugs of Seychelles (Gastropoda, Pulmonata, Veronicellidae and Urocyclidae)". Argonauta 11: 56–64.
  • Gerlach J. (2007) Terrestrial and Freshwater Mollusca of Seychelles. Backhuys Publishers, Leiden.
  • Martens E. & Wiegmann F. (1898). "Land und Süsswasser mollusken der Seychellen". Mitteilugen aus dem Zoologischen, Sammlung des Museums Naturkunde, Berlin 1: 1-94.
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