4881 Eudontomyzon danfordi Regan, 1911 Petromyzontidae Northern lampreys Lampetrinae Petromyzontiformes Petromyzonti Carpathian lamprey Europe: Danube drainage: endemic to tributaries (Tisza and Timis rivers) of the upper reaches of the Danube River. MOVI 30927 1961 Eudontomyzon danfordi