MICHAEL LONG / SCIENCE PHOTO LIBRARY MICHAEL LONG / SCIENCE PHOTO LIBRARY
Woolly mammoths (Mammuthus primigenius) feeding on tundra vegetation, illustration. The woolly mammoth was one of the last in a line of mammoth species, beginning with Mammuthus subplanifrons in the early Pliocene. M. primigenius diverged from the steppe mammoth, M. trogontherii, about 200,000 years ago in eastern Asia, during the Pleistocene. Its closest extant relative is the Asian elephant. Woolly mammoths became extinct about 10,000 years ago.
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