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"HYAENODONTS AND CARNIVORANS FROM THE EARLY OLIGOCENE TO EARLY MIOCENE XIANSHUIHE FORMATION, LANZHOU BASIN, GANSU PROVINCE, CHINA" [1]
"New Remains of Hyaenodontidae (Creodonta, Mammalia) From the Oligocene of Central Mongolia" [2]Archiválva2010. május 8-i dátummal a Wayback Machine-ben