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Another face in our family tree

The evolutionary history of humans is complex and unresolved. It now looks set to be thrown into further confusion by the discovery of another species and genus, dated to 3.5 million years ago.

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Figure 1: Two fossil skulls from early hominin species.

NATIONAL MUSEUMS OF KENYA

Figure 2: Possible evolutionary relationships of the hominins, indicating the five major genera, with Kenyanthropus in red, Homo in blue, Paranthropus in green, Australopithecus in black and Ardipithecus in yellow.

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Correspondence to Daniel E. Lieberman.

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Lieberman, D. Another face in our family tree. Nature 410, 419–420 (2001). https://doi.org/10.1038/35068648

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