Several isolated teeth and jaw fragments of beavers (Rodentia: Castoridae), discovered at the Villafranchian (MN 16b?) site Węże 2 in southern Poland, are attributable to two species: Dipoides ex gr. problematicus-sigmodus Trogontherium (Euroxenomys) minus . The genus species have not previously been reported from Poland. Their presence suggests that these lesser-known extinct representatives C...