Figure 2 from: Panha S, Chanabun R, Sutcharit C, Tongkerd P (2013) The semi-aquatic freshwater earthworms of the genus Glyphidrilus Horst, 1889 from Thailand (Oligochaeta, Almidae) with re-descriptions of several species. ZooKeys 265: 1-76. https://doi.org/10.3897/zookeys.265.3911

Figure 2 - Major course changes along the Mekong River during the late Cenozoic era. Prehistoric river courses are shown in blue lines, and the name of the captured river are shown along with the approximated time (in million years ago) in parentheses. Based on the map of Hutchinson (1989), the current rivers are shown in dark lines with their names.