Filopaludina sumatrensisFilopaludina sumatrensis is a species of large freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Viviparidae.SubspeciesFilopaludina sumatrensis peninsularis Brandt, 1974Filopaludina sumatrensis polygramma Filopaludina sumatrensis speciosa Filopaludina sumatrensis sumatrensis represented as ''Filopaludina sumatrensis''DistributionThis species is found in Cambodia, Indonesia, Laos, Malaysia, Myanmar, Singapore, Thailand and Vietnam.DescriptionThe width of the shell is 21 mm. The height of the shell is 32 mm.