Paleontologists have identified a new species of giraffoid that lived in northern China during the Early Miocene epoch some 17 million years ago. Named Discokeryx xiezhi, the ancient creature had a thick-boned skull with a large disk-like headgear, a series of cervical vertebrae with extremely thickened centra, and the most complicated head-neck joints in mammals known to date. This peculiar morphology was most probably adapted for a fierce intermale...
