Figure 1 from: Renaud CB, Naseka AM (2015) Redescription of the Far Eastern brook lamprey Lethenteron reissneri (Dybowski, 1869) (Petromyzontidae). ZooKeys 506: 75-93. https://doi.org/10.3897/zookeys.506.9817

Figure 1 - Geographic distribution of Lethenteron reissneri and material identified by Berg (1931) as Lethenteron reissneri without posterials. Approximate location of the type locality of Lethenteron reissneri, Amur River basin, Russia (solid star), topotypic localities in Russia and Mongolia (solid diamonds) and localities of material identified by Berg (1931) as Lethenteron reissneri: Shangshi River, Amur River basin, People's Republic of China (solid diamond), Sedanka River, Sea of Japan basin, Russia (solid square), and Samarga River, Sea of Japan basin, Russia (solid square). The Sedanka and Samarga River specimens were re-identified as Lethenteron camtschaticum.