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Location of Seychelles
The non-marine
molluscs of
Seychelles are a part of the molluscan
wildlife of Seychelles .
Freshwater gastropods
Paludomidae
This section
needs expansion . You can help by
adding to it .
(September 2010 )
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]
Acanthennea erinacea (Martens, 1898) - endemic
[2]
Augustula braueri (Martens, 1898) - endemic
[2]
Careoradula perelegans (Martens, 1898) - endemic
[2]
Conturbatia crenata Gerlach, 2001 - endemic to
Frégate Island ,
[3] possibly extinct
[4]
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]
Edentulina moreleti (Adams, 1868) - endemic
[2]
Glabrennea gardineri (Sykes, 1909) - endemic
[5]
[2]
Glabrennea silhouettensis (Verdcourt, 1994) - endemic
[6]
[2]
Glabrennea thomasseti (Sykes, 1909) - endemic
[7]
[2]
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]
Huttonella bicolor (Hutton, 1834)
[2]
Imperturbatia constans (Martens, 1898) - endemic
[2]
Imperturbatia violescens (Martens, 1898) - endemic
[9] - Gerlach & Bruggen (1999) have spelled the specific name as
Imperturbatia violascens
[2] [
clarification needed ]
Priodiscus costatus - endemic
[2]
Priodiscus serratus (Adams, 1868) - endemic
[10]
[2]
Priodiscus spinatus - endemic
[2]
Seychellaxis souleyetianus (Petit, 1841) - endemic
[2]
Silhouettia silhouettae (Martens, 1898) - endemic
[2]
Stereostele nevilli (Adams, 1868) - endemic
[2] - subspecies: Stereostele nevilli nevilli (Adams, 1868) and Stereostele nevilli parvidentata Gerlach & Bruggen, 1999
[2]
Streptostele acicula (Morelet, 1877)
[2]
This section
needs expansion . You can help by
adding to it .
(September 2010 )
See also
References
^ 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 .
^
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x
y 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 .
^
a
b Gerlach J. (2001). "Conturbatia , a new genus of Streptaxidae (Mollusca, Gastropoda, Pulmonata)".
Zoosystematics and Evolution 77 (2): 297-302.
doi :
10.1002/mmnz.20010770213 .
^ Gerlach, J. (2009).
"Conturbatia crenata " .
IUCN Red List of Threatened Species . 2009 : e.T168141A6458885.
doi :
10.2305/IUCN.UK.2009-2.RLTS.T168141A6458885.en . Retrieved 5 July 2024 .
^ Gerlach, J. (2009).
"Glabrennea gardineri " .
IUCN Red List of Threatened Species . 2009 : e.T168145A6459630.
doi :
10.2305/IUCN.UK.2009-2.RLTS.T168145A6459630.en . Retrieved 5 July 2024 .
^ Gerlach, J. (2009).
"Glabrennea silhouettensis " .
IUCN Red List of Threatened Species . 2009 : e.T168146A6459829.
doi :
10.2305/IUCN.UK.2009-2.RLTS.T168146A6459829.en . Retrieved 5 July 2024 .
^ Gerlach, J. (2009).
"Glabrennea thomasseti " .
IUCN Red List of Threatened Species . 2009 : e.T9533A12999286.
doi :
10.2305/IUCN.UK.2009.RLTS.T9533A12999286.en . Retrieved 5 July 2024 .
^ 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 .
^ Gerlach, J. (2009).
"Imperturbatia violescens " .
IUCN Red List of Threatened Species . 2009 : e.T10809A3218516.
doi :
10.2305/IUCN.UK.2009-2.RLTS.T10809A3218516.en . Retrieved 5 July 2024 .
^ 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.[
dead link ]
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.
External links