Fossilized footprints reveal 2 extinct hominin species living side by side 1.5 million ...
Ancient fossil footprints are the first evidence of two different hominin species − Homo erectus and Paranthropus boisei − ...
Discovery of fossilized footprints reveals the moment two ancient human species crossed paths
Two species of ancient human relatives crossed paths 1.5 million years ago. Fossilized footprints in Kenya captured the ...