Craft Grade Male Chacma Baboon Skull, Papio ursinus, measuring approximately 7 inches long. This skull would make a great craft project. The skull is in pieces and needs to be glued back together.   - Review photos. The chacma baboon (Papio ursinus), also known as the Cape baboon, is, like all other baboons, from the Old World monkey family. It is one of the largest of all monkeys.