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The terrestrial molluscan fauna of Sydney and nearby areas is surprisingly diverse with over 80 species of native snails and slugs recorded. At least a third of them have not been formally described. In addition, at least 28 species of introduced snails and slugs have also been recorded from Sydney. Native snails are found in all vegetation types in and around Sydney, with some species, such as the Red Triangle Slug Triboniophorus graeffei commonly encountered in suburban gardens. Nearly all species are associated with specific vegetation or habitat types, such as the Cumberland Plain Woodland or limestone outcrops at Jenolan Caves. There is a number of species endemic to the Sydney region including the endangered Cumberland Plain Land Snail Meridolum corneovirens, which is only found in western Sydney. Most species have small ranges and can survive in small areas, therefore even small remnants of native vegetation can act as refugia. Thus from a native-snail conservation point of view, small patches of remnant vegetation are just as important as large ones for the conservation of Sydney's unique biodiversity

Arnaud, J. P., Madec, L., Bellido, A. and Guiller, A. 1999. Microspatial genetic structure in the land snail Helix aspersa (Gastropoda: Helicidae). Heredity 83(2): 110-119.
Arnaud, J. P., Madec, L., Guiller, A. and Bellido, A. 2001. Spatial analysis of allozyme and micro satellite DNA polymorphisms in the land snail Helix aspersa (Gastropoda: Helicidae). Molecular Ecology 10(6): 1563-1576.
Beesley, P. L., Ross, G. J. B. and Wells, A. (ed.) 1998 Mollusca: The southern synthesis.Fauna of Australia. Vol. 5. CSIRO Publishing, Melbourne, Victoria.
Benson, D. and Howell, J. 1990 Taken for granted: The bushland of Sydney and its suburbs. Kangaroo Press Pty Ltd, Kenthurst and The Royal Botanic Gardens, Sydney.
Burgman, M. A. and Lindenmayer, D. B. 1998 Conservation Biology for the Australian Environment. Surrey Beatty & Sons, Chipping Norton, NSW.
Clark, S. A., in prep. Systematics, spatial analysis and conservation genetics of Meridolum corneovirens and related forms (Gastropoda: Camaenidae) from the Sydney Region of Australia. PhD thesis, University of Western Sydney, Hawkesbury.
Clark, S. A. and Richardson, B. J. 2002. Spatial analysis of genetic variation as a rapid assessment tool in the management of narrow range endemics. Invertebrate Systematics 16(4): 583-587.
Hyman, I., Stanisic, J. and Ponder, W.F.. (in press). New charopid land snails chiefly from limestone outcrops in eastern New South Wales (Eupulmonata: Charopidae). Memoirs of the Queensland Museum. 48.
New, T. R. 2000 Conservation Biology. Oxford University Press, Melbourne.
Pfenninger, M. 2002. Relationship between micro spatial population genetic structure and habitat heterogeneity in Pomatias elegans (O. F. Müller 1774) (Caenogastropoda, Pomatiasidae). Biological Journal of the Linnean Society 76(4): 565-575.
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Arnaud, J. P., Madec, L., Bellido, A. and Guiller, A. 1999. Microspatial genetic structure in the land snail Helix aspersa (Gastropoda: Helicidae). Heredity 83(2): 110-119.
Arnaud, J. P., Madec, L., Guiller, A. and Bellido, A. 2001. Spatial analysis of allozyme and micro satellite DNA polymorphisms in the land snail Helix aspersa (Gastropoda: Helicidae). Molecular Ecology 10(6): 1563-1576.
Beesley, P. L., Ross, G. J. B. and Wells, A. (ed.) 1998 Mollusca: The southern synthesis.Fauna of Australia. Vol. 5. CSIRO Publishing, Melbourne, Victoria.
Benson, D. and Howell, J. 1990 Taken for granted: The bushland of Sydney and its suburbs. Kangaroo Press Pty Ltd, Kenthurst and The Royal Botanic Gardens, Sydney.
Burgman, M. A. and Lindenmayer, D. B. 1998 Conservation Biology for the Australian Environment. Surrey Beatty & Sons, Chipping Norton, NSW.
Clark, S. A., in prep. Systematics, spatial analysis and conservation genetics of Meridolum corneovirens and related forms (Gastropoda: Camaenidae) from the Sydney Region of Australia. PhD thesis, University of Western Sydney, Hawkesbury.
Clark, S. A. and Richardson, B. J. 2002. Spatial analysis of genetic variation as a rapid assessment tool in the management of narrow range endemics. Invertebrate Systematics 16(4): 583-587.
Hyman, I., Stanisic, J. and Ponder, W.F.. (in press). New charopid land snails chiefly from limestone outcrops in eastern New South Wales (Eupulmonata: Charopidae). Memoirs of the Queensland Museum. 48.
New, T. R. 2000 Conservation Biology. Oxford University Press, Melbourne.
Pfenninger, M. 2002. Relationship between micro spatial population genetic structure and habitat heterogeneity in Pomatias elegans (O. F. Müller 1774) (Caenogastropoda, Pomatiasidae). Biological Journal of the Linnean Society 76(4): 565-575.
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