JOHN READER / SCIENCE PHOTO LIBRARY JOHN READER / SCIENCE PHOTO LIBRARY
Lower jaw bone of Heidelberg Man discovered in a sandpit near Heidelberg in 1907. This mandible is all that has been found of Heidelberg Man whose lineage is still uncertain. It is thought that he belongs in the group Homo erectus, that lived some 1.6 million years to 200,000 years ago.
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