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Tugen Hills The Tugen Hills (also known as ''Saimo'') are a series of hills in Baringo County, Kenya. The Tugen Hills represent one of the few areas in Africa preserving a succession of deposits from the period of between 14 and 4 million years ago, making them an important location for the study of human (and animal) evolution. Excavations at the site conducted by Richard Leakey and others have yielded a complete skeleton of a 1.5-million-year-old elephant (1967), a new species of monkey (1969) and fossil remains of hominids from 1 to 2 million years ago. Six-million-year-old hominid fossils were discovered here in 2000 by Brigitte Senut and Martin Pickford; the species was named ''Orrorin tugenensis'' after the location. This was the oldest hominid ever discovered in Kenya, and the second oldest in the world after ''Sahelanthropus tchadensis''. ==Footnotes==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Tugen Hills」の詳細全文を読む
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