Distribusieng
Distribution and year: 90 miles south of Nata, near Thalia village 1969 (GBIF 2023 b). Native range: The coastal regions of East Africa (Fontanilla 2010), southern limit possibly being the Zambezi River (Herbert 2010). Extent of invasion: The species became widely spread across the Indian ocean islands such as Madagascar and Mauritius during the 1800 s (Fontanilla 2010). It later spread to India, Sri Lanka, Asia and into several Pacific islands, and gained ground in Europe and North America (Raut & Barker 2002).
Sumber: An annotated checklist of molluscs recorded from Botswana