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Ancient Human Ancestor "Little Foot" Sparks Debate On Hominid Classification

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Little Foot's excavation took over 20 years (Credit: Ron Clarke)

An elderly female, believed to have inhabited Earth approximately 3.67 million years ago, is causing a stir among paleontologists. If researchers from South Africa's University of Witwatersrand are right, the skeleton, nicknamed "Little Foot" due to its tiny ankle bones, represents a new species of an early human.