Abstract: In 1981, the senior author and Prof. Li Peixian (Institute of Geology, CAGS) discovered a new primitive anteosaurid dinocephalian skull and numerous other tetrapod fossils from the Upper Permian at Dashankou, Yumen, western Gansu. skull, described below, is not only the first occurrence of the carnivorous dinocephalians, but also the first nearly complete skull of dinocephalian reptiles in China. Moreover, western Gansu, following Russia, Kazakhstan, South Africa and probably United States, becomes another very important locality of occurrence of the Anteosauridae.

摘要： 记述了甘肃玉门上二叠统西大沟组上部恐头兽类Anteosauridae科一新属新种—玉门中华猎兽(Sinophoneus yumenensis gen. et sp. nov. ) ,该化石与俄罗斯伊舍夫地区II带的Titanophoneus处于同一进化水平，其时代应为晚二叠世早期。这是我国首次发现的原始肉食anteosaurid恐头兽类头骨化石，甘肃西部成为继俄罗斯、南非之后该类原始似哺乳爬行动物化石的又一重要产地。