Oryx Skull - Real African Antelope Horns + Real Gemsbok Skull (35.5" horns)Genuine Gemsbok Skull. The gemsbok, gemsbok or South African oryx is a large antelope in the genus Oryx. It is native to the arid regions of Southern Africa, such as the Kalahari Desert. Some authorities formerly included the East African oryx as a subspecies. Obtained ethically from overpopulation herds in South Africa.