Is 'Little Foot' a Human Ancestor—or Just a Distant Cousin?

They call him “Little Foot” but he’s a big deal to human evolution researchers. From this putative human ancestor’s beautifully preserved head to his fairly small feet, this australopithecine—a cousin to the famous 3.2-million-year-old “Lucy,” also a candidate for a human ancestor—is the most complete australopithecine skeleton ever found. Researchers reported in Nature that Little Foot died 3.67 million years ago. If correct, it could mean that Little Foot is an ancestor of the more than 3-million-year-old human line. The team also argues that Little Foot belongs to a new species, which it calls Australopithecus prometheus.

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