Fossil Skull Diversifies Family Tree

By Bruce Bower, 15:48 PM April 15, 2008

Anthropologists have long held that the earliest members of the human evolutionary family consisted of a group of closely related species known as australopithecines. A 3.5-million-year-old skull unearthed in Kenya now suggests that the australopithecines had a set of evolutionary companions.

The nearly complete skull represents a new genus and species of early hominids, according to a report in the March 22 Nature. The team that excavated and analyzed the specimen, led by anthropologist Meav...

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