what is proto neanderthal
The Evolution of Neanderthals. Share. MADRID, SPAINâAn analysis of 17 skulls from Sima de los Huesos in the Atapuerca Mountains of northern Spain indicates that they have distinct Neanderthal traits, including robust lower jaws, small teeth at the rear of the jaw, and thick brow ridges with a distinctive double arch.ADRID, SPAINâAn analysis of 17 skulls from Sima de los Huesos in the Atapuerca Mountains of northern Spain indicates that they have distinct Neanderthal traits, including robust lower jaws, small teeth at the rear of the jaw, and thick brow ridges with a distinctive double arch.