Naggs et al. (2003) listed 246 land gastropods for Sri Lanka.[1] Ranawana (2006) listed 18 species of non-indigenous land gastropods in Sri Lanka and he added some species to that list.[2]
The fauna of Sri Lanka also includes freshwater snails and freshwater bivalves.
Land Snails
Phylum: Mollusca Class: Gastropoda
When considering mollusc diversity in Sri Lanka, snails are the major group that can be found within the island. About 246 land snails are known to occur in Sri Lanka, with 83% of endemism. This include 5 endemic and relict land snails. Majority of land snails are pulmonates.
Endemic species are highlighted with an asterisk (*).
^Naggs F., Raheem D. C., Mordan P. B., Grimm B., Ranawana K. B. & Kumburegama N. P. S. (2003). "Ancient relicts and contemporary exotics: faunal change and survivorship in Sri Lanka’s snail fauna". Slugs & Snails: Agricultural, Veterinary & Environmental Perspectives, British Crop Protection Council Symposium Proceedings No. 80, 103–108.
^ abJunn Kitt Foon & Mohammad Effendi Marzuki (2022). "First record and description of a new Scabrina species (Gastropoda: Cyclophoridae) from Peninsular Malaysia". Folia Malacologica 1(30): 23-35. DOI: https://doi.org/10.12657/folmal.030.003
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