Distribution of the freshwater thiarid snail Tarebia granifera (Lamarck, 1816) across its range in Southeast Asia, with the focus on occurrences in Thailand, contrasted with type and topotypical material from the island of Timor. Asteriks: type locality of “Melania” granifera Lamarck, 1816, reconstructed to originate from near Kupang in western Timor (see text for more details); black dots: sequenced material used in this study; white dots: shell material from museum collections analysed and literature records; white dots with black dot inside: wet material preserved in ethanol.