Eric Walker added Our Earliest Ancestors - YouTube to a number of topics

Eric Walker added Sahelanthropus - Wikipedia to Sahelanthropus tchadensis

Eric Walker added Sahelanthropus tchadensis to Sahelanthropus, and added Sahelanthropus to Miocene and Hominins

Eric Walker added Our Earliest Ancestors - YouTube and Sahelanthropus - Wikipedia to Sahelanthropus tchadensis, and added Sahelanthropus tchadensis to Sahelanthropus