Brotia sumatrensis is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Pachychilidae. Previously frequently synonymized with Brotia costula, biological systematics was able to molecularly distinguish the two.
Distribution Sumatra, IndonesiaKöhler F. & Dames C. (2009). "Phylogeny and systematics of the Pachychilidae of mainland Southeast Asia – novel insights from morphology and mitochondrial DNA (Mollusca, Caenogastropoda, Cerithioidea)". Zoological Journal of the Linnean Society 157: 679–699. .
References