NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY NATURAL HISTORY MUSEUM, LONDON / SCIENCE PHOTO LIBRARY
Proconsul africanus skull. Cast of the fossil skull of the primate Proconsul africanus, an ape-like mammal that lived between around 23-15 million years ago. It is thought to be an ancestor of humans. It lived in tropical forests in East Africa during the Miocene.
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