Gemsbok Skull with Horns (Oryx gazella) for sale. The horns measuring approximately 33 inches long. The skull measures approximately 15 inches in length. - Review all photos. Our gemsbok skulls with horns are from wild African gemsbok and will have imperfections normally found on all wild animal. We are direct importers of African animal skulls & horns. These gemsbok skulls & horns are a by-product of the African government's culling programs and the African farming industry. These skulls & horns have been cleared for legal entry into the U.S. by the U.S. Fish and Wildlife Service and U.S. Customs Department.